constructing smaller phrase queries given a multi-word query

2006-10-15 Thread Mek
, is that the user is looking for a document where "A B" in Field1 & "C D" in Field2. So I should ideally be constructing the query as : "A B C D"^20 "A B"^10 "C D"^10 "B C D"^15 "A B C"^15 A B C D Has s

Re: Very high fieldNorm for a field resulting in bad results

2006-09-29 Thread Mek
a 1.5 to start using solr straight away. Are there any issues if I do decide to move to solr that I should be aware of ? (I am using lucene 2.0 as of now) Thanks a ton, mek. - To unsubscribe, e-mail: [EMAIL PROTECTED] For ad

Re: Very high fieldNorm for a field resulting in bad results

2006-09-28 Thread Mek
fields). The only good solution I can think of is - giving very very high weightage to the phrase, but even that did not seem to work. Another possible idea - make length norm play a greater role in the score (use length norm ^ 2 ? ) . What else can I try ? Thanks a lot for the responses Chris,

Re: Very high fieldNorm for a field resulting in bad results

2006-09-26 Thread Mek
Thanks a lot Chris for the detailed & patitent response. The value of a the field norm for any field named "A" is typically the lengthNorm of the field, times the document boost, times the field boost for *each* Field instance added to the document with the name "A". (lengthNorm is by default

Very high fieldNorm for a field resulting in bad results

2006-09-25 Thread Mek
pended, Am i making a mistake in the way I am adding fields ? The results which are showing up on top (having very high fieldnorm) have a lot of "values". Thanks a ton for any guidance you can provide. -mek Explain output: [java] 931523.7 = product of: [java] 6520665.5 = produ

Does lucene performance suffer with a lot of empty fields ?

2006-08-01 Thread Mek
queries like "mel Movies:braveheart". Right ? Would this impact the search performance ? Any other words of caution for me ? Thanks, mek