com.knowledgebooks.triple_store
Class TripleManager

java.lang.Object
  com.knowledgebooks.triple_store.TripleManager

public class TripleManager
extends java.lang.Object

 Maintain an indexed triple store. These APIs rely on:
 
    1. Sesame RDF store and perform SPARQL queries
    2. Lucene for tokenizing, stemming, and indexing all text data stored
       in the triple store
 

Copyright 2002-2008 by Mark Watson. All rights reserved.

This software is not public domain. It can be legally used under either of the following licenses:

1. KnowledgeBooks.com Non Commercial Royality Free License
2. KnowledgeBooks.com Commercial Use License

see www.knowledgebooks.com for details

Constructor Summary

TripleManager(java.lang.String data_store_file_root)

TripleManager(java.lang.String data_store_file_root, boolean clear_index_if_exists)

Method Summary

void	addDataFromPlainText(java.lang.String document_uri, java.lang.String text)
boolean	addDataN3(java.net.URI data_source)
boolean	addDataNTriple(java.net.URI data_source)
void	clearTripleStore()
java.lang.String	doSparqlQuery(java.lang.String sparql_query)
java.util.List<java.lang.String>	searchIndexForURIs(java.lang.String search_query)
java.util.List<java.lang.String[]>	searchIndexForURIsAndDocText(java.lang.String search_query)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TripleManager

public TripleManager(java.lang.String data_store_file_root)
              throws java.lang.Exception

Parameters:

data_store_file_root -

Throws:

java.lang.Exception

TripleManager

public TripleManager(java.lang.String data_store_file_root,
                     boolean clear_index_if_exists)
              throws java.lang.Exception

Parameters:

data_store_file_root -

clear_index_if_exists -

Throws:

java.lang.Exception

Method Detail

clearTripleStore

public void clearTripleStore()

addDataN3

public boolean addDataN3(java.net.URI data_source)

Parameters:

data_source -

Returns:

addDataNTriple

public boolean addDataNTriple(java.net.URI data_source)

Parameters:

data_source -

Returns:

addDataFromPlainText

public void addDataFromPlainText(java.lang.String document_uri,
                                 java.lang.String text)
                          throws java.lang.Exception

Parameters:

document_uri -

text -

Throws:

java.lang.Exception

doSparqlQuery

public java.lang.String doSparqlQuery(java.lang.String sparql_query)
                               throws java.lang.Exception

Parameters:

sparql_query -

Returns:

string containing query results

Throws:

java.lang.Exception

searchIndexForURIs

public java.util.List<java.lang.String> searchIndexForURIs(java.lang.String search_query)
                                                    throws java.lang.Exception

Parameters:

search_query -

Returns:

string for search results

Throws:

java.lang.Exception

searchIndexForURIsAndDocText

public java.util.List<java.lang.String[]> searchIndexForURIsAndDocText(java.lang.String search_query)
                                                                throws java.lang.Exception

Parameters:

search_query -

Returns:

list of string arrays: each array containing a URI/document text pair

Throws:

java.lang.Exception