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Lucene
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Subject: Re: lucene optimal configuration

If in general the default values should be good for general purpose. It 'll be good to know which part you want to optimize and exactly what problem you want to solve. But even you get very specific

Subject: lucene optimal configuration

Hi everybody I always used lucene with its default configuration values.now I want to know if there is any document in which initial values for configuring a Lucene project is specified (values for L

Group of documents.

Hi We have an application in which we want to index feeds. Each feed is a collection of articles and some other metadata. The problem is that sometimes we want to search for feeds and sometimes

Subject: Re: Help with Lucene Indexer crash recovery

5 okt 2007 kl. 21.50 skrev vivek sar > Once the writer.addIndexes is done I call writer.optimize() No biggie but IndexWriter.addIndexes() will automatically optimize so that is one line of cod

Subject: Re: Help with Lucene Indexer crash recovery

Once in a while we kill the running application using "kill -9 ". I To quote a great man who frequently quotes another great man "Well there 's your problem! " stop using "kill -9 " ... i 'll say i

Subject: Re: Querying the Query object

Is there any way to find out if an instance of Query has any terms within it? I have a custom parser (QueryParser does not do everything I need) and it somtimes creates empty BooleanQuerys. (Th

Subject: Re: Generalized proximity query performance

> > Hmmm.. can you give some more concrete examples of what you mean by this? > both in terms of the use case you are trying to satisfy and in terms of > how your current code works ... you don 't hav

Subject: Re: Help with Lucene Indexer crash recovery

Thanks for the response Michael. Sorry I 'm using Lucene 2.2. We are using Lucene to index our database (Oracle) into documents for full-text search feature. Here is the process of indexing 1) Have

Subject: Re: Generalized proximity query performance

On 5-Oct-07 at 11 27 AM Chris Hostetter wrote > > that 's what i thought first too and it is a problem i 'd eventaully > like > to tackle ... it was the part about "c " being in a differnet field

Subject: Re: Generalized proximity query performance

> would like to allow for the possibility that a and b are near each other > in > one field while c is in another field. I understand the OP to want a PhraseQuery that has an intention

Subject: Re: Generalized proximity query performance

On 5-Oct-07 at 10 54 AM Chris Hostetter wrote > I am using a hand rolled query of the following form (implemented > with > SpanNearQuery not a sloppy PhraseQuery) > a b c > +(a AND b AN

Subject: got stuck in running lucene demo

hi ihave just downloaded lucene 2.2.0 and tomcat and have set my classpaths now i am got stuck at the very first stage of indexing files which ask me to do like this java org.apache.lucene.demo.

Subject: Re: Generalized proximity query performance

I am using a hand rolled query of the following form (implemented with SpanNearQuery not a sloppy PhraseQuery) a b c > +(a AND b AND c) OR "a b "~5 OR "b c "~5 The obvious solution "a b c

Subject: Re: Querying the Query object

What makes you think the query needs to be rewritten to extract terms? Not the case...unless you want to extract Terms from say a Wildcard or Fuzzy query. In that case you need an IndexReader howev

Subject: Querying the Query object

Hi Is there any way to find out if an instance of Query has any terms within it? I have a custom parser (QueryParser does not do everything I need) and it somtimes creates empty BooleanQuerys. (Th

Subject: Re: Custom Search algorithm integration

You may want to look at the FunctionQuery capability either in Lucene or the expanded capabilities (recently added) in Solr. -Grant On Oct 4 2007 at 2 39 PM pp1907@(protected) wrote > Hi > >

Subject: Re: Help with Lucene Indexer crash recovery

"vivek sar " <vivextra@(protected) > wrote > We are using Lucene 2.3. Do you mean Lucene 2.2? Your stack trace seems to line up with 2.2 and 2.3 isn 't quite released yet. > The problem we are facing

Subject: Help with Lucene Indexer crash recovery

Hi We are using Lucene 2.3. The problem we are facing is quite a few times if our application is stopped (killed or crash) while Indexer is doing its job the next time when we bring up the applica

Subject: Re: Promblems with searching a field

It 's hard to say but two things will help you track this down. 1 > get a copy of Luke to examine your index (which you may have already). 2 > Query.toString is your friend. It 'll show you exactly what

Subject: Custom Search algorithm integration

Hi Were planning to use Lucene or Solr within our application and wanted to know if it can support the following Scenario We have (say) 5 fields in a document which need to be indexed. 4 fields a

Subject: Promblems with searching a field

Hi I am new to lucene and am currently having some problems searching an index. so we make the index like this doc.add(new Field( "itno " item.getMMITNO() Field.Store.YES Field.Index.TOKENIZE

Subject: Re: Scorer skipTo() expectations?

Dan In Scorers when skipTo() or next() returns true for the second or later time the result of doc() will be increased. When Scorer.skipTo() does not have document order documents will be lost w

Subject: TermPositionVector.indexesOf()

Hello I 'm using the following method to obtain the position of some terms in a document int[] indexOfTerms TermPositionVector.indexesOf(String[] terms int start int len) Should I parse the s

Subject: RegexQuery on multiple fields?

Hi I 've recently tried the RegexQuery with Lucene which works fine with the following code snippet Hits hits String q "someregex " Term t new Term( "content " q) Query query new Reg

Subject: Scorer skipTo() expectations?

Hi I have a custom Query class that provides a long list of lucene docIds (not for filtering purposes) which is one clause in a standard BooleanQuery (which also contains TermQuery instances). I

Subject: Re: BooleanQuery questions

Thanks for the reply. Everything is working correctly now. I jumped the gun without debuging it more. booleanANDSearch was not getting set correctly. Erick Erickson wrote > I don 't see a problem wi

Subject: FW: Eliminating duplicate documents when indexing

Duplicate Documents In An Index The updateDocument method of Index Writer indicates that a delete term occurs before the update document takes place (i.e. the document is replaced in the index but

Subject: Generalized proximity query performance

Hi again As the subject would suggest I 'm trying to implement a layer of proximity weighting over lucene. This has greatly increased search relevance but at the same time has knocked down performanc

Subject: Re: BooleanQuery questions

I don 't see a problem with your booleanANDSearch thingy although I haven 't tried it. Does toString() return the same string regardless of the value of booleanANDSearch? That would surprise me. The d

Subject: BooleanQuery questions

I am new to Lucene and am having problems with booleanQueries. How do you write Boolean OR and AND queries? Is this an OR query booleanQuery.add(query1 BooleanClause.Occur.SHOULD) booleanQuery.ad
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