diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 3c7258fd..3103c9d2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,4 +1,4 @@
-# Copyright (c) 2020-2021, UMD Database Group. All rights reserved.
+# Copyright 2020 UMD Database Group. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/README.md b/README.md
index 514b7740..7310b21f 100644
--- a/README.md
+++ b/README.md
@@ -9,5 +9,5 @@
 
 ## License
 
-Copyright (c) 2020-2021 Gang Liao. All rights reserved.
-The library, examples, and all source code are released under Apache 2.0.
+Copyright 2020 UMD Database Group. All Rights Reserved.
+The library, examples, and all source code are released under [Apache License 2.0](LICENSE).
diff --git a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/BenchmarkScheduler.java b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/BenchmarkScheduler.java
index c549a854..8b8d9dd5 100644
--- a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/BenchmarkScheduler.java
+++ b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/BenchmarkScheduler.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/KinesisProducerForFlinkSessionWindow.java b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/KinesisProducerForFlinkSessionWindow.java
index 97ab1d17..69a06498 100644
--- a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/KinesisProducerForFlinkSessionWindow.java
+++ b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/KinesisProducerForFlinkSessionWindow.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/BenchmarkingSpecs.java b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/BenchmarkingSpecs.java
index 5a61a519..341d9159 100644
--- a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/BenchmarkingSpecs.java
+++ b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/BenchmarkingSpecs.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/ChildJob.java b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/ChildJob.java
index ca48f0c1..da43efc7 100644
--- a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/ChildJob.java
+++ b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/ChildJob.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/Event.java b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/Event.java
index e5f357e3..680f905c 100644
--- a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/Event.java
+++ b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/Event.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/JobSchedule.java b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/JobSchedule.java
index 70e0db4f..4cd50a42 100644
--- a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/JobSchedule.java
+++ b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/model/JobSchedule.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/util/DDBUtil.java b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/util/DDBUtil.java
index dfcc6920..ff698f5b 100644
--- a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/util/DDBUtil.java
+++ b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/util/DDBUtil.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/util/KDSProducerUtil.java b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/util/KDSProducerUtil.java
index 3ef160cd..d1367362 100644
--- a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/util/KDSProducerUtil.java
+++ b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/util/KDSProducerUtil.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/util/KinesisStreamUtil.java b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/util/KinesisStreamUtil.java
index 0480ae0d..d704bb2d 100644
--- a/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/util/KinesisStreamUtil.java
+++ b/benches/kinesis/src/main/java/com/amazonaws/kda/flink/benchmarking/util/KinesisStreamUtil.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/benches/kinesis/src/main/resources/amazon-kda-flink-benchmarking-utility.sh b/benches/kinesis/src/main/resources/amazon-kda-flink-benchmarking-utility.sh
index 6297a023..e5539bd8 100644
--- a/benches/kinesis/src/main/resources/amazon-kda-flink-benchmarking-utility.sh
+++ b/benches/kinesis/src/main/resources/amazon-kda-flink-benchmarking-utility.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright (c) 2020-2021, UMD Database Group. All rights reserved.
+# Copyright 2020 UMD Database Group. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/benches/kinesis/src/text/java/com/amazonaws/kda/benchmarking/util/GetSampleData.java b/benches/kinesis/src/text/java/com/amazonaws/kda/benchmarking/util/GetSampleData.java
index aeca942b..49fcf4e8 100644
--- a/benches/kinesis/src/text/java/com/amazonaws/kda/benchmarking/util/GetSampleData.java
+++ b/benches/kinesis/src/text/java/com/amazonaws/kda/benchmarking/util/GetSampleData.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/scripts/copyright.py b/scripts/copyright.py
index 24c28b3e..eed1866a 100644
--- a/scripts/copyright.py
+++ b/scripts/copyright.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+# Copyright 2020 UMD Database Group. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -20,7 +20,7 @@
 import platform
 
 COPYRIGHT = '''
-Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+Copyright 2020 UMD Database Group. All Rights Reserved.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -43,7 +43,7 @@
 
 NEW_LINE_MARK = '\n'
 COPYRIGHT_HEADER = COPYRIGHT.split(NEW_LINE_MARK)[1]
-p = re.search('(-\d{4})', COPYRIGHT_HEADER).group(1)[1:]
+p = re.search('(\d{4})', COPYRIGHT_HEADER).group(0)
 process = subprocess.Popen(["date", "+%Y"], stdout=subprocess.PIPE)
 date, err = process.communicate()
 date = date.decode("utf-8").rstrip("\n")
diff --git a/src/bin/cli/src/main.rs b/src/bin/cli/src/main.rs
index 6ce0b654..03d92e93 100644
--- a/src/bin/cli/src/main.rs
+++ b/src/bin/cli/src/main.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/cli/src/repl.rs b/src/bin/cli/src/repl.rs
index 83448d03..a07760be 100644
--- a/src/bin/cli/src/repl.rs
+++ b/src/bin/cli/src/repl.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/driver/src/build/git.rs b/src/driver/src/build/git.rs
index fa5d7e15..597c7296 100644
--- a/src/driver/src/build/git.rs
+++ b/src/driver/src/build/git.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/driver/src/build/mod.rs b/src/driver/src/build/mod.rs
index dcb32ccd..93c068ed 100644
--- a/src/driver/src/build/mod.rs
+++ b/src/driver/src/build/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/driver/src/build/paths.rs b/src/driver/src/build/paths.rs
index 716daf0a..d1d203bc 100644
--- a/src/driver/src/build/paths.rs
+++ b/src/driver/src/build/paths.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/driver/src/deploy/lambda.rs b/src/driver/src/deploy/lambda.rs
index 7bc8b98c..5e01a4a0 100644
--- a/src/driver/src/deploy/lambda.rs
+++ b/src/driver/src/deploy/lambda.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/driver/src/deploy/mod.rs b/src/driver/src/deploy/mod.rs
index bfa5f757..2b11aedb 100644
--- a/src/driver/src/deploy/mod.rs
+++ b/src/driver/src/deploy/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/driver/src/funcgen/dag.rs b/src/driver/src/funcgen/dag.rs
index 0262c12a..f78faf8a 100644
--- a/src/driver/src/funcgen/dag.rs
+++ b/src/driver/src/funcgen/dag.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/driver/src/funcgen/function.rs b/src/driver/src/funcgen/function.rs
index 45df34a7..50186336 100644
--- a/src/driver/src/funcgen/function.rs
+++ b/src/driver/src/funcgen/function.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/driver/src/funcgen/mod.rs b/src/driver/src/funcgen/mod.rs
index a2469d6d..a1986d20 100644
--- a/src/driver/src/funcgen/mod.rs
+++ b/src/driver/src/funcgen/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/driver/src/lib.rs b/src/driver/src/lib.rs
index b2d33d84..2b5f7d42 100644
--- a/src/driver/src/lib.rs
+++ b/src/driver/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/driver/src/logwatch/mod.rs b/src/driver/src/logwatch/mod.rs
index aa9d99d9..d74d4c5f 100644
--- a/src/driver/src/logwatch/mod.rs
+++ b/src/driver/src/logwatch/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/driver/src/monitor/mod.rs b/src/driver/src/monitor/mod.rs
index 3cccd94b..7984d4ef 100644
--- a/src/driver/src/monitor/mod.rs
+++ b/src/driver/src/monitor/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/function/src/aws/lambda.rs b/src/function/src/aws/lambda.rs
index 5a26b009..0c621970 100644
--- a/src/function/src/aws/lambda.rs
+++ b/src/function/src/aws/lambda.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/codegen/lambda.rs b/src/legacy/codegen/lambda.rs
index 9df03234..d640e92c 100644
--- a/src/legacy/codegen/lambda.rs
+++ b/src/legacy/codegen/lambda.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/codegen/mod.rs b/src/legacy/codegen/mod.rs
index d92930a8..24538cf7 100644
--- a/src/legacy/codegen/mod.rs
+++ b/src/legacy/codegen/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/codegen/templates/lambda.hbs b/src/legacy/codegen/templates/lambda.hbs
index 2aa8d860..02727f03 100644
--- a/src/legacy/codegen/templates/lambda.hbs
+++ b/src/legacy/codegen/templates/lambda.hbs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/codegen/toml.rs b/src/legacy/codegen/toml.rs
index 18028941..129f0da9 100644
--- a/src/legacy/codegen/toml.rs
+++ b/src/legacy/codegen/toml.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/codegen/workspace.rs b/src/legacy/codegen/workspace.rs
index 7ae0de27..4ec6ba3d 100644
--- a/src/legacy/codegen/workspace.rs
+++ b/src/legacy/codegen/workspace.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/datasource/src/datasource.rs b/src/legacy/datasource/src/datasource.rs
index a80e2448..32752472 100644
--- a/src/legacy/datasource/src/datasource.rs
+++ b/src/legacy/datasource/src/datasource.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/datasource/src/kinesis.rs b/src/legacy/datasource/src/kinesis.rs
index 7386506c..b3c13377 100644
--- a/src/legacy/datasource/src/kinesis.rs
+++ b/src/legacy/datasource/src/kinesis.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/datasource/src/lib.rs b/src/legacy/datasource/src/lib.rs
index 1bb03853..6c477670 100644
--- a/src/legacy/datasource/src/lib.rs
+++ b/src/legacy/datasource/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/examples/hello.rs b/src/legacy/examples/hello.rs
index aec9c3a2..ca3af86b 100644
--- a/src/legacy/examples/hello.rs
+++ b/src/legacy/examples/hello.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/examples/kinesis/flink/GettingStarted/src/main/java/com/amazonaws/services/kinesisanalytics/BasicStreamingJoinJob.java b/src/legacy/examples/kinesis/flink/GettingStarted/src/main/java/com/amazonaws/services/kinesisanalytics/BasicStreamingJoinJob.java
index 611d6614..ced6f3d1 100644
--- a/src/legacy/examples/kinesis/flink/GettingStarted/src/main/java/com/amazonaws/services/kinesisanalytics/BasicStreamingJoinJob.java
+++ b/src/legacy/examples/kinesis/flink/GettingStarted/src/main/java/com/amazonaws/services/kinesisanalytics/BasicStreamingJoinJob.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/examples/kinesis/flink/GettingStarted/src/main/java/com/amazonaws/services/kinesisanalytics/StreamDataSource1.java b/src/legacy/examples/kinesis/flink/GettingStarted/src/main/java/com/amazonaws/services/kinesisanalytics/StreamDataSource1.java
index 8f252bd2..7382565a 100644
--- a/src/legacy/examples/kinesis/flink/GettingStarted/src/main/java/com/amazonaws/services/kinesisanalytics/StreamDataSource1.java
+++ b/src/legacy/examples/kinesis/flink/GettingStarted/src/main/java/com/amazonaws/services/kinesisanalytics/StreamDataSource1.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/examples/kinesis/flink/GettingStarted/src/main/java/com/amazonaws/services/kinesisanalytics/StreamDataSource2.java b/src/legacy/examples/kinesis/flink/GettingStarted/src/main/java/com/amazonaws/services/kinesisanalytics/StreamDataSource2.java
index 5cf432f9..d7f03707 100644
--- a/src/legacy/examples/kinesis/flink/GettingStarted/src/main/java/com/amazonaws/services/kinesisanalytics/StreamDataSource2.java
+++ b/src/legacy/examples/kinesis/flink/GettingStarted/src/main/java/com/amazonaws/services/kinesisanalytics/StreamDataSource2.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/examples/kinesis/gen_data.rs b/src/legacy/examples/kinesis/gen_data.rs
index db284054..33e8512d 100644
--- a/src/legacy/examples/kinesis/gen_data.rs
+++ b/src/legacy/examples/kinesis/gen_data.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/examples/lambda/hash_agg1_lambda.rs b/src/legacy/examples/lambda/hash_agg1_lambda.rs
index a7044781..9bf37aa5 100644
--- a/src/legacy/examples/lambda/hash_agg1_lambda.rs
+++ b/src/legacy/examples/lambda/hash_agg1_lambda.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/examples/lambda/hash_agg2_lambda.rs b/src/legacy/examples/lambda/hash_agg2_lambda.rs
index 49c5edf4..945a1a90 100644
--- a/src/legacy/examples/lambda/hash_agg2_lambda.rs
+++ b/src/legacy/examples/lambda/hash_agg2_lambda.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/examples/lambda/mem_filter_lambda.rs b/src/legacy/examples/lambda/mem_filter_lambda.rs
index 75c0777f..01553ecb 100644
--- a/src/legacy/examples/lambda/mem_filter_lambda.rs
+++ b/src/legacy/examples/lambda/mem_filter_lambda.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/examples/lambda/projection_lambda.rs b/src/legacy/examples/lambda/projection_lambda.rs
index f5837985..e3991173 100644
--- a/src/legacy/examples/lambda/projection_lambda.rs
+++ b/src/legacy/examples/lambda/projection_lambda.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/examples/sql/plan.rs b/src/legacy/examples/sql/plan.rs
index cc29316a..8de776c2 100644
--- a/src/legacy/examples/sql/plan.rs
+++ b/src/legacy/examples/sql/plan.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/examples/step_functions/hello.rs b/src/legacy/examples/step_functions/hello.rs
index ce01b3d6..dd823a30 100644
--- a/src/legacy/examples/step_functions/hello.rs
+++ b/src/legacy/examples/step_functions/hello.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/examples/step_functions/world.rs b/src/legacy/examples/step_functions/world.rs
index 282767df..86f69a1a 100644
--- a/src/legacy/examples/step_functions/world.rs
+++ b/src/legacy/examples/step_functions/world.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/logical_plan/src/lib.rs b/src/legacy/logical_plan/src/lib.rs
index 01d5d090..da19e316 100644
--- a/src/legacy/logical_plan/src/lib.rs
+++ b/src/legacy/logical_plan/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/logical_plan/src/scqschema.rs b/src/legacy/logical_plan/src/scqschema.rs
index bc0a27a0..b13b3547 100644
--- a/src/legacy/logical_plan/src/scqschema.rs
+++ b/src/legacy/logical_plan/src/scqschema.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/ops/src/gen_data_1.rs b/src/legacy/ops/src/gen_data_1.rs
index 205f84e4..e6dc4647 100644
--- a/src/legacy/ops/src/gen_data_1.rs
+++ b/src/legacy/ops/src/gen_data_1.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/ops/src/gen_data_2.rs b/src/legacy/ops/src/gen_data_2.rs
index 90e452ce..04522273 100644
--- a/src/legacy/ops/src/gen_data_2.rs
+++ b/src/legacy/ops/src/gen_data_2.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/ops/src/get_results.py b/src/legacy/ops/src/get_results.py
index 51471f7a..8178f215 100644
--- a/src/legacy/ops/src/get_results.py
+++ b/src/legacy/ops/src/get_results.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (c) 2020-2021, UMD Database Group. All rights reserved.
+# Copyright 2020 UMD Database Group. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/src/legacy/ops/src/join_distributed.rs b/src/legacy/ops/src/join_distributed.rs
index 53de76c5..70fc292a 100644
--- a/src/legacy/ops/src/join_distributed.rs
+++ b/src/legacy/ops/src/join_distributed.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/ops/src/join_nested_loop.rs b/src/legacy/ops/src/join_nested_loop.rs
index 87c51a1f..22adea4c 100644
--- a/src/legacy/ops/src/join_nested_loop.rs
+++ b/src/legacy/ops/src/join_nested_loop.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/ops/src/join_scheduler.rs b/src/legacy/ops/src/join_scheduler.rs
index 5b4e0e83..db42c189 100644
--- a/src/legacy/ops/src/join_scheduler.rs
+++ b/src/legacy/ops/src/join_scheduler.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/ops/src/lambda_check.rs b/src/legacy/ops/src/lambda_check.rs
index 7992124f..0db77a5e 100644
--- a/src/legacy/ops/src/lambda_check.rs
+++ b/src/legacy/ops/src/lambda_check.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/ops/src/projection.rs b/src/legacy/ops/src/projection.rs
index 2ef9dbf2..f2297776 100644
--- a/src/legacy/ops/src/projection.rs
+++ b/src/legacy/ops/src/projection.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/ops/src/sample_data_stream.py b/src/legacy/ops/src/sample_data_stream.py
index eeec8322..a1c68610 100644
--- a/src/legacy/ops/src/sample_data_stream.py
+++ b/src/legacy/ops/src/sample_data_stream.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (c) 2020-2021, UMD Database Group. All rights reserved.
+# Copyright 2020 UMD Database Group. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/src/legacy/ops/src/stream1partition.rs b/src/legacy/ops/src/stream1partition.rs
index 585c52b0..b8e10469 100644
--- a/src/legacy/ops/src/stream1partition.rs
+++ b/src/legacy/ops/src/stream1partition.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/ops/src/stream2partition.rs b/src/legacy/ops/src/stream2partition.rs
index 07fcab7e..efcde720 100644
--- a/src/legacy/ops/src/stream2partition.rs
+++ b/src/legacy/ops/src/stream2partition.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/physical_plan/src/kinesis.rs b/src/legacy/physical_plan/src/kinesis.rs
index 973e327b..e3c1e0b5 100644
--- a/src/legacy/physical_plan/src/kinesis.rs
+++ b/src/legacy/physical_plan/src/kinesis.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/physical_plan/src/lib.rs b/src/legacy/physical_plan/src/lib.rs
index bb68d0b0..482c6f3c 100644
--- a/src/legacy/physical_plan/src/lib.rs
+++ b/src/legacy/physical_plan/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/scalar.rs b/src/legacy/scalar.rs
index 0a5c119f..d8b879d6 100644
--- a/src/legacy/scalar.rs
+++ b/src/legacy/scalar.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/sql/src/lib.rs b/src/legacy/sql/src/lib.rs
index 4f7fee75..e9af9ed2 100644
--- a/src/legacy/sql/src/lib.rs
+++ b/src/legacy/sql/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/sql/src/parser.rs b/src/legacy/sql/src/parser.rs
index 0cbdbf07..734ab25a 100644
--- a/src/legacy/sql/src/parser.rs
+++ b/src/legacy/sql/src/parser.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/step_functions/choice.rs b/src/legacy/step_functions/choice.rs
index fa014b86..7897d8da 100644
--- a/src/legacy/step_functions/choice.rs
+++ b/src/legacy/step_functions/choice.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/step_functions/common.rs b/src/legacy/step_functions/common.rs
index 70165575..c321b169 100644
--- a/src/legacy/step_functions/common.rs
+++ b/src/legacy/step_functions/common.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/step_functions/fail.rs b/src/legacy/step_functions/fail.rs
index 88b05c72..b59bc331 100644
--- a/src/legacy/step_functions/fail.rs
+++ b/src/legacy/step_functions/fail.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/step_functions/map.rs b/src/legacy/step_functions/map.rs
index 81c3834b..55ec8af7 100644
--- a/src/legacy/step_functions/map.rs
+++ b/src/legacy/step_functions/map.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/step_functions/mod.rs b/src/legacy/step_functions/mod.rs
index b4b6aeb9..3f14235a 100644
--- a/src/legacy/step_functions/mod.rs
+++ b/src/legacy/step_functions/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/step_functions/parallel.rs b/src/legacy/step_functions/parallel.rs
index 33c4c7f6..a156930d 100644
--- a/src/legacy/step_functions/parallel.rs
+++ b/src/legacy/step_functions/parallel.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/step_functions/pass.rs b/src/legacy/step_functions/pass.rs
index 9ee068a9..e1ade91f 100644
--- a/src/legacy/step_functions/pass.rs
+++ b/src/legacy/step_functions/pass.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/step_functions/paths.rs b/src/legacy/step_functions/paths.rs
index 10ef7b31..9b76b31d 100644
--- a/src/legacy/step_functions/paths.rs
+++ b/src/legacy/step_functions/paths.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/step_functions/state_machine.rs b/src/legacy/step_functions/state_machine.rs
index 6ad58210..f3e4e1ce 100644
--- a/src/legacy/step_functions/state_machine.rs
+++ b/src/legacy/step_functions/state_machine.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/step_functions/succeed.rs b/src/legacy/step_functions/succeed.rs
index 2563652d..841e748c 100644
--- a/src/legacy/step_functions/succeed.rs
+++ b/src/legacy/step_functions/succeed.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/step_functions/task.rs b/src/legacy/step_functions/task.rs
index ab325f41..3976cf25 100644
--- a/src/legacy/step_functions/task.rs
+++ b/src/legacy/step_functions/task.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/legacy/step_functions/wait.rs b/src/legacy/step_functions/wait.rs
index 083266d9..9507e952 100644
--- a/src/legacy/step_functions/wait.rs
+++ b/src/legacy/step_functions/wait.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/config.rs b/src/runtime/src/config.rs
index 6ef9020f..599ae79f 100644
--- a/src/runtime/src/config.rs
+++ b/src/runtime/src/config.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/context.rs b/src/runtime/src/context.rs
index d8c087d4..ea767aff 100644
--- a/src/runtime/src/context.rs
+++ b/src/runtime/src/context.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/datasource/dynamodb.rs b/src/runtime/src/datasource/dynamodb.rs
index 2dec04f1..600feb86 100644
--- a/src/runtime/src/datasource/dynamodb.rs
+++ b/src/runtime/src/datasource/dynamodb.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/datasource/kafka.rs b/src/runtime/src/datasource/kafka.rs
index 775c3f03..bfe60ca5 100644
--- a/src/runtime/src/datasource/kafka.rs
+++ b/src/runtime/src/datasource/kafka.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/datasource/kinesis.rs b/src/runtime/src/datasource/kinesis.rs
index 25be31ba..fe74d750 100644
--- a/src/runtime/src/datasource/kinesis.rs
+++ b/src/runtime/src/datasource/kinesis.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/datasource/mod.rs b/src/runtime/src/datasource/mod.rs
index 4356694b..40c3c8ab 100644
--- a/src/runtime/src/datasource/mod.rs
+++ b/src/runtime/src/datasource/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/datasource/s3.rs b/src/runtime/src/datasource/s3.rs
index 2dec04f1..600feb86 100644
--- a/src/runtime/src/datasource/s3.rs
+++ b/src/runtime/src/datasource/s3.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/datasource/sqs.rs b/src/runtime/src/datasource/sqs.rs
index 2dec04f1..600feb86 100644
--- a/src/runtime/src/datasource/sqs.rs
+++ b/src/runtime/src/datasource/sqs.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/encoding.rs b/src/runtime/src/encoding.rs
index 4c92c114..255b6940 100644
--- a/src/runtime/src/encoding.rs
+++ b/src/runtime/src/encoding.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/error.rs b/src/runtime/src/error.rs
index 22b2ad88..b2ad938b 100644
--- a/src/runtime/src/error.rs
+++ b/src/runtime/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/executor/mod.rs b/src/runtime/src/executor/mod.rs
index 7c32880b..2f113f95 100644
--- a/src/runtime/src/executor/mod.rs
+++ b/src/runtime/src/executor/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/executor/plan.rs b/src/runtime/src/executor/plan.rs
index 49105170..523a4c32 100644
--- a/src/runtime/src/executor/plan.rs
+++ b/src/runtime/src/executor/plan.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/lib.rs b/src/runtime/src/lib.rs
index c42ebe23..d25968f8 100644
--- a/src/runtime/src/lib.rs
+++ b/src/runtime/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/payload.rs b/src/runtime/src/payload.rs
index 9181e2b3..d0ce259c 100644
--- a/src/runtime/src/payload.rs
+++ b/src/runtime/src/payload.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/prelude.rs b/src/runtime/src/prelude.rs
index 5472b559..ab650aca 100644
--- a/src/runtime/src/prelude.rs
+++ b/src/runtime/src/prelude.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/query/batch.rs b/src/runtime/src/query/batch.rs
index 4bbfca0a..d86ee338 100644
--- a/src/runtime/src/query/batch.rs
+++ b/src/runtime/src/query/batch.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/query/mod.rs b/src/runtime/src/query/mod.rs
index 3cb7b321..a499a97d 100644
--- a/src/runtime/src/query/mod.rs
+++ b/src/runtime/src/query/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/runtime/src/query/stream.rs b/src/runtime/src/query/stream.rs
index fd81535d..26e5e151 100644
--- a/src/runtime/src/query/stream.rs
+++ b/src/runtime/src/query/stream.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/test/src/kinesis.rs b/src/test/src/kinesis.rs
index 0fd54848..774f48e3 100644
--- a/src/test/src/kinesis.rs
+++ b/src/test/src/kinesis.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/test/src/lib.rs b/src/test/src/lib.rs
index 4f673d80..3758310a 100644
--- a/src/test/src/lib.rs
+++ b/src/test/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Gang Liao. All rights reserved.
+// Copyright 2020 UMD Database Group. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.