I have indexed RDF in N-triple format (with three fields -- "subject",
"predicate", "object") and now am trying to query the index with a
PrefixQuery on the "subject" field. My test case is to get back all
documents whose subject field starts with the prefix "<http", and I would
expect to get back all documents. Instead, the PrefixQuery returns 0
documents. I have read and can't see why the PrefixQuery is returning 0
results.
Here is the relevant code:
IndexReader n3reader = IndexReader.open(FSDirectory.open(new
File(index)),
true);
Searcher searcher = new IndexSearcher(n3reader);
Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_CURRENT);
String test = "<http";
Query nsQuery = new PrefixQuery(new Term("subject", test));
TopDocs hits = searcher.search(nsQuery, 10);
System.out.println("Hits: "+hits.totalHits);
This code prints out '0' hits ... Any suggestions for why this isn't
working?? Thanks,
Alison Callahan
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