AGOpenCyc.java
package com.franz.agbase.examples;
import com.franz.agbase.*;
public class AGOpenCyc {
/**
* Demonstrates loading and indexing the Open CYC data set.
*
* The data that is necessary to run this example is available at:
* https://s3.amazonaws.com/franz.com/allegrograph/data/open-cyc.nt.bz2
*
* This example assumes that the data will be unpacked into a file
* open-cyc.nt in the AGPaths.DATA_SOURCES directory; modify this
* location as necessary.
*
* @param args unused
* @throws AllegroGraphException
*/
public static void main(String[] args) throws AllegroGraphException {
// Connect to server, which must already be running.
AllegroGraphConnection ags = new AllegroGraphConnection();
try {
ags.setPort(4126);
ags.enable();
} catch (Exception e) {
throw new AllegroGraphException("Server connection problem", e);
}
// Estimate the number of unique resources in the Open CYC data
// Simple heuristic: a little more than 1/3 of the total triples
ags.setDefaultExpectedResources(250000);
// Create fresh triple-store for this example.
AllegroGraph ts = ags.renew("OpenCyc", AGPaths.TRIPLE_STORES);
// Load the N-Triples file -- modify the location as necessary.
AGLoadNtriples.loadNTriplesWithTiming(ts, AGPaths.dataSources("open-cyc.nt"));
// Index the store
AGIndexAllTriples.indexAllTriplesWithTiming(ts);
// Close the triple store and disconnect from the server.
ts.closeTripleStore();
ags.disable();
}
}
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