Glenn, This sounds very much like shingles of variable length (1 to length(terms in query)). Make sure you turn them into phrase queries and combine them with ORs and things should work then.
Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: Glenn-Erik Sandbakken <[EMAIL PROTECTED]> > To: solr-dev@lucene.apache.org > Sent: Wednesday, August 27, 2008 5:38:59 AM > Subject: Replacing FAST Functionality at Sesam.no > > At sesam.no we want to replace a FAST (fast.no) Query Matching Server > with a Solr index. > > The index we are trying to replace is not a regular index, but specially > configured to perform phrases (and sub-phrases) matches against several > large lists (like an index with only a 'title' field). > > I'm not sure of a correct, or logical, name for the behavior we are > after, but it is like a combination between Shingles and exact matching. > > Some examples should explain it well. > > Lets say we have the following list: > > one two three > > one two > > two three > > one > > two > > three > > three two > > two one > > one three > > three one > > > For the query "one two three", we need hits against, and only against: > > one two three > > one two > > two three > > one > > two > > three > > For the query "one two", we need hits against, and only against: > > one two > > one > > two > > For the query "one three four" (or "four one three"), we need hits > against, and only against: > > one three > > one > > three > > For the query "one two sesam three", we need hits against, and only > against: > > one two > > one > > two > > three > > > We have been testing out solr with the ShingleFilter for this, but > without luck. > I am unsure whether the reason is misconfiguration in schema.xml or that > the ShingleFilter actually don't support this type of behavior. I've > attached our current schema.xml > > I'd like to know if the SchingleFilter is at all able to do what we > want. > If it is: How can I configure schema.xml? > If not: does there exist any other solutions that we can incorporate > into solr which will give us this behavior? > > If there is no existing solution to this, we will probably end up > writing our own methods for it, extending the ShingleFilter, gadly > contributing to the solr project =) > > Thanks for a great product, > Glenn-Erik
