Remember that the default match is 0.5 e.g director~0.5 hence why it matches up to two letter differences e.g ditectof, directors etc
Sent from my iPhone On 08/09/2011, at 5:10 AM, "Yaniv Ben Yosef" <yani...@gmail.com> wrote: > Hi Axel, > > I've read the syntax, which is why I was surprised. There are wildcard > options in the syntax, e.g.: test* and test? and even te*st. > So I would expect that [director*] should return director and directory. > [director], if I understand the syntax correctly, should return just > director. > But actually, it also returns director and directory in my code. > This means that [director] is equivalent to [director*], which I find a bit > strange. > > In your example - the query ["director"] also returns both director and > directory. > The only thing that works is [+director]. > > Thing is, I don't want to force my users to remember advanced syntax and > append a + to each word. And I also don't want to start parsing queries. > I imagine that the syntax in the Lucene documentation should work (i.e., > [director] *should not* be equivalent to [director*]. It's either a bug > somewhere, or I'm not configuring/using something correctly. > Anyone has an idea? > > Thanks again, > > --- Yaniv > > > > On Wed, Sep 7, 2011 at 8:31 PM, Axel Morgner <a...@morgner.de> wrote: > >> Hi Yaniv, >> >> didn't try your case, just read the code. If I remember correctly, it may >> help to expand your search term "director john" into a Lucene query, e.g. >> something like "\"director\" OR \"john\"". >> >> The complete Lucene query syntax see [1]. >> >> Greetings >> >> Axel >> >> [1] http://lucene.apache.org/java/3_1_0/queryparsersyntax.html >> >> Am 07.09.2011 um 12:16 schrieb Yaniv Ben Yosef: >> >>> Hi, >>> >>> This question may be Lucene related, but since I'm using it via Neo4J I'm >>> asking here first. I'm using Neo4J 1.4 M06. >>> I have a graph representing people, with a few properties about each >> person >>> (e.g., their name and job title). >>> Now I'd like to create a search form that will allow the user to enter >>> either the person's first name, last name, title, or any combination. For >>> example, the query [john director] should result with all the people >> whose >>> name or title contain both john and director. >>> To play with that, I created this little psvm: >>> >>> public class FullTextIndexTest >>> { >>> public static void main(String[] args) >>> { >>> GraphDatabaseService graphDb = >>> GraphDatabaseServiceFactory.createGraphDatabase("target/var/db"); >>> >>> Transaction t = graphDb.beginTx(); >>> Node n1 = graphDb.createNode(); >>> n1.setProperty("name", "John Smith"); >>> n1.setProperty("title", "Directory Manager"); >>> >>> Node n2 = graphDb.createNode(); >>> n2.setProperty("name", "Johnny Malkovich"); >>> n2.setProperty("title", "Director of R&D"); >>> >>> Node n3 = graphDb.createNode(); >>> n3.setProperty("name", "John Horovich"); >>> n3.setProperty("title", "Sr. Director"); >>> >>> IndexManager index = graphDb.index(); >>> Index<Node> fulltextPerson = index.forNodes("person-fulltext", >>> MapUtil.stringMap(IndexManager.PROVIDER, "lucene", "type", >>> "fulltext")); >>> fulltextPerson.add(n1, "combined", n1.getProperty("name") + " " + >>> n1.getProperty("title")); >>> fulltextPerson.add(n2, "combined", n2.getProperty("name") + " " + >>> n2.getProperty("title")); >>> fulltextPerson.add(n3, "combined", n3.getProperty("name") + " " + >>> n3.getProperty("title")); >>> t.success(); >>> t.finish(); >>> >>> // search in the fulltext index >>> IndexHits<Node> hits = fulltextPerson.query("combined", "director >>> john"); >>> System.out.printf("Found %d results:\n", hits.size()); >>> for (Node node : hits) >>> { >>> System.out.println(node.getProperty("name") + ", " + >>> node.getProperty("title")); >>> } >>> } >>> } >>> >>> >>> I expected this program to return 1 result: John Horovich, Sr. Director >>> Instead, I'm getting 3: >>> >>> John Horovich, Sr. Director >>> John Smith, Directory Manager >>> Johnny Malkovich, Director of R&D >>> >>> It seems that Lucene will "accept" terms that contain a query term (e.g, >>> Directory and Johnny) even if I'm not using any wildcards in my query. >> How >>> do I turn this behavior off? I'd like the results to contain only people >>> whose name or title *contain* the word john, but not johnny. >>> >>> Thanks! >>> --- Yaniv >>> _______________________________________________ >>> Neo4j mailing list >>> User@lists.neo4j.org >>> https://lists.neo4j.org/mailman/listinfo/user >> >> >> _______________________________________________ >> Neo4j mailing list >> User@lists.neo4j.org >> https://lists.neo4j.org/mailman/listinfo/user >> > _______________________________________________ > Neo4j mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user > _______________________________________________ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
