<commit_before><?xml version="1.0" encoding="UTF-8"?>
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        <!-- This Hadoop version is enforced by Spark in the version that is deployed in the Maven repository via code signing. -->
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    <description>Rheem is a tool to build platform-agnostic data processing apps and have them both optimized for and
        executed on multiple different execution platforms, such as Java Streams and Apache Spark.
    </description>
    <url>http://da.qcri.org/rheem/index.html</url>

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            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
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    <developers>
        <developer><commit_msg>Revert "more precies spark and hadoop versions"<commit_after><?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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        <!-- This Hadoop version is enforced by Spark in the version that is deployed in the Maven repository via code signing. -->
        <hadoop.version>2.2.0</hadoop.version>
        <graphchi.version>0.2.2</graphchi.version>
        <antlr.version>4.5.3</antlr.version>
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    <artifactId>rheem</artifactId>
    <packaging>pom</packaging>
    <version>0.3.1-SNAPSHOT</version>

    <name>Rheem</name>
    <description>Rheem is a tool to build platform-agnostic data processing apps and have them both optimized for and
        executed on multiple different execution platforms, such as Java Streams and Apache Spark.
    </description>
    <url>http://da.qcri.org/rheem/index.html</url>

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        <license>
            <name>Apache License, Version 2.0</name>
            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
            <distribution>repo</distribution>
        </license>
    </licenses>

    <developers>
        <developer>
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