Right. However, even if I do that, my problem #3 below remains unsolved: I do not wish to match phrases across sentence boundaries.
Anyone have a neat solution (or pointers to one)? Thanks again! Jochen > -----Original Message----- > From: Dan Quaroni [mailto:[EMAIL PROTECTED] > Sent: Wednesday, December 17, 2003 1:29 PM > To: 'Lucene Users List' > Subject: RE: Indexing Speed: Documents vs. Sentences > > Yeah. I'd suggest parsing the page, unfortunately. :) > > -----Original Message----- > From: Jochen Frey [mailto:[EMAIL PROTECTED] > Sent: Wednesday, December 17, 2003 4:26 PM > To: 'Lucene Users List' > Subject: RE: Indexing Speed: Documents vs. Sentences > > > Hi! > > In essence: > 1) I don't care about the whole page > > 2) I only care about the actual sentence that matches the query. > > 3) I want the matching for the query only to happen within one sentence > and > not over sentence boundaries (even when I do a PhraseQuery with some > slop). > > The query: "i like the beach"~20 > should not match: "And we go to the restaurant and i really like it. the > beach was wonderful as well". > > 4) I would much prefer not to parse the actual page to find the sentence > that matches the query (though I obviously will, if I have to). > > Does that answer your question? > > Thanks! > Jochen > > > -----Original Message----- > > From: Dan Quaroni [mailto:[EMAIL PROTECTED] > > Sent: Wednesday, December 17, 2003 1:19 PM > > To: 'Lucene Users List' > > Subject: RE: Indexing Speed: Documents vs. Sentences > > > > I'm confused about something - what's the point of creating a document > for > > every sentence? > > > > -----Original Message----- > > From: Jochen Frey [mailto:[EMAIL PROTECTED] > > Sent: Wednesday, December 17, 2003 4:17 PM > > To: 'Lucene Users List' > > Subject: Indexing Speed: Documents vs. Sentences > > > > > > Hi, > > > > I am using Lucene to index a large number of web pages (a few 100GB) and > > the > > indexing speed is great. > > > > Lately I have been trying to index on a sentence level, not the document > > level. My problem is that the indexing speed has gone down dramatically > > and > > I am wondering if there is any way for me to improve on that. > > > > Indexing on a sentence level the overall amount of data stays the same > > while > > the number of records increases substantially (since there is usually > many > > sentences to one web page). > > > > It seems to me like the indexing speed (everything else being the same) > > depends largely on the number of Documents inserted into the index, and > > not > > so much on the size of the data within the documents (correct?). > > > > I have played with the merge factor, using RAMDirectory, etc and I am > > quite > > comfortable with our overall configuration, so my guess is that that is > > not > > the issue (and I am QUITE happy with the indexing speed as long as I use > > complete pages and not sentences). > > > > Maybe there is a different way of attacking this? My goal is to be able > to > > execute a query and get the sentences that match the query in the most > > efficient way while maintaining good/great indexing speed. I would > prefer > > not having to search the complete document for the sentence in question. > > > > My current solution is to have one Lucene Document for each page > > (containing > > the URL and other information I require) that does NOT contain the text > of > > the page. Then I have one Lucene Document for each sentence within that > > document, which contains the text of this particular sentence in > addition > > to > > some identifying information that references the entry of the page > itself. > > > > Any and all suggestions are welcome. > > > > Thanks! > > Jochen > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
