AGSNACliques.java
package com.franz.agbase.examples;
import com.franz.agbase.*;
public class AGSNACliques {
/**
* Demonstrates locating cliques in a Social Network.
*
* @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.enable();
} catch (Exception e) {
throw new AllegroGraphException("Server connection problem", e);
}
// Create a fresh triple-store.
AllegroGraph ts = ags.renew("snacliques", AGPaths.TRIPLE_STORES);
// Register namespaces
ts.registerNamespace("ex", "http://example.org/");
// Load a small graph of data
AGLoadNtriples.loadNTriplesWithTiming(ts, AGPaths.dataSources("sna-cycle.nt"));
// Get an SNA extension instance for this store to work with SNA features
SNAExtension sna = ts.getSNAExtension();
// Register a generator
Object[] parts = new Object[2];
parts[0] = "objects-of";
parts[1] = "!ex:to";
sna.registerGenerator("to", parts);
// Define a group of actors
String[] group = {"!ex:a","!ex:b","!ex:c","!ex:d","!ex:e","!ex:f","!ex:g","!ex:h"};
// find cliques involving each actor
for (int i=0;i<group.length;i++) {
UPI[][] cliques = sna.getCliques(group[i], "to", 2);
System.out.println("There are " + cliques.length + " cliques involving " + group[i]);
}
// Close the store and disconnect from the server.
ts.closeTripleStore();
ags.disable();
}
}
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