On 7/19/07, Mike Klaas <[EMAIL PROTECTED]> wrote:
On 19-Jul-07, at 2:49 PM, Yonik Seeley wrote: > Does anyone have a good idea how to go about searching for > concatenated tokens? > > Say that the index has "painkiller" and the user types in > "pain killer" (without the quotes). > > If one were using the standard request handler, the easiest would be > to have the client handle it by sending in both variants: > pain OR killer OR painkiller > or a variant like > "pain killer" OR painkiller > > But is there any answer when using dismax? > Requiring the client to send in pain killer painkiller seems like it > may decrease relevance too much if you currently use "pf" (phrase > fields) since the phrase "pain killer painkiller" isn't going to match > anything. > > Thoughts? Yes, pf should be replaced by a word proximity query that doesn't require all words to match :)
Some other quick ideas: 1) client issues two separate queries... "pain killer" and "painkiller" and merges results. 2) dismax parameter that throws word catenations into the MaxDisjunction: "a b c" would also search for ab and bc. -Yonik
