Re: IR Pattern Language

2008-12-07 Thread Grant Ingersoll
Can you fill in some background on this? I did a google for "pattern language for IR" and came up with a few hits, but am not sure what you have in mind. What problem are you trying to solve, or are you just looking to fill in knowledge? -Grant On Dec 6, 2008, at 7:09 PM, Robert Young wr

Re: IndexWriter.flush performance

2008-12-07 Thread mimounl
Jokin Cuadrado wrote: > > Avery time you flush the index, you are writing a small index to the > disk. Theres a defined value (mergefactor) that decides when it have > to merge all of those small index in a bigger one, so as the index > grown the merges are bigger. > Don't you thing I have to

Fragment Highlighter Phrase?

2008-12-07 Thread Ian Vink
Is there a way to get phrases counted in the list of fragments that come back from Highlighter.GetBestFragments() in general. It seems to only take words into account. Ian

Problem with PorterStemFilter

2008-12-07 Thread Preetam Rao
Hi, I am indexing three words in a document. Then I run a phrase query on that document searching for two words at a time and three words at a time. I use PorterStemFilter for both searching and indexing. I am getting very inconsistent results. Am I doing something incorrectly ? The way I use Port

Re: lucene search options

2008-12-07 Thread Erick Erickson
You can also synthesize a clause that matches all documents and then add the NOT to it. I haven't tried it, but you might be able to combine, say, MatchAllDocsQuery with your NOT query as part of a BooleanQuery... Best Erick On Sat, Dec 6, 2008 at 11:06 PM, Anshum <[EMAIL PROTECTED]> wrote: > Hi

Re: IndexWriter.flush performance

2008-12-07 Thread Jokin Cuadrado
Avery time you flush the index, you are writing a small index to the disk. Theres a defined value (mergefactor) that decides when it have to merge all of those small index in a bigger one, so as the index grown the merges are bigger. First you merge 10 indexes of 1 document, then 10 indexes of 10

IndexWriter.flush performance

2008-12-07 Thread mimounl
Hello, In my application, I need to flush data each time a modification is made. So each time an entry is added in the lucene index we call IndexWriter.flush this way all data are secured on file system. We noticed that this operation is more and more time consuming while the size of the index r