README

This project is an extension for Google Refine and provides easy way to add columns from DBpedia to reconciled data (columns).

Data has to be reconciled with DBpedia or SPARQL endpoint, which returns DBpedia resource types.

INSTALL

1. Before installing this extension download Google Refine code from http://code.google.com/p/google-refine/source/checkout. 

2. Pull this extension's code into folder dbpedia-extension under folder /extensions. 
For more information on how to write a Google Refine extensions and where to put the files see http://code.google.com/p/google-refine/wiki/WriteAnExtension

The folder structure should resemble this:
grefine-all/
----------/extensions
--------------/dbpedia-extension
------------------/module
------------------/src
------------------build.xml
------------------README (this file)

3. Update build.xml in folder /extensions with build and clean ant tasks for dbpedia-extension:

<project name="google-refine-extensions" default="build" basedir=".">
    <target name="build">
        <echo message="Building extensions" />
        <ant dir="sample/" target="build" />
        <ant dir="jython/" target="build" />
        <ant dir="freebase/" target="build" />
        <ant dir="gdata/" target="build" />
        <ant dir="dbpedia-extension/" target="build" />
    </target>
    
    <target name="clean">
        <echo message="cleaning extensions" />
        <ant dir="sample/" target="clean" />
        <ant dir="jython/" target="clean" />
        <ant dir="freebase/" target="clean" />
        <ant dir="gdata/" target="clean" />
        <ant dir="dbpedia-extension/" target="clean" />
    </target>
</project>

4. If using Eclipse, make sure that you build project with ant