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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