Nicholas, Also consider that some misspellings are better handled through Synonyms (or injected metadata).
You can garner a great deal of value out of the spell checker by following the great advice James is giving here…but you'll find a well-placed "helper" synonym or metavalue can often save a lot of headache and time. Jason On May 10, 2013, at 7:32 AM, "Dyer, James" <james.d...@ingramcontent.com> wrote: > Nicholas, > > It sounds like you might want to use WordBreakSolrSpellChecker, which gets > obscure mention in the wiki. Read through this section: > http://wiki.apache.org/solr/SpellCheckComponent#Configuration and you will > see some information. > > Also, the Solr Example shows how to configure this. See > http://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x/solr/example/solr/collection1/conf/solrconfig.xml > > Look for... > > <lst name="spellchecker"> > <str name="name">wordbreak</str> > ... > </lst> > > ...and... > > <requestHandler name="/spell" ...> > ... > </requestHandler> > > Also, I'd recommend you take a look at each parameter in the "/spell" request > handler and read its section on the "spellcheckcomponent" wiki page. You > probably will want to set many of these parameters as well. > > You can get a query to return only spell results simply by specifying > "rows=0". However, its one less query to just have it return the results > also. If there are no results, your application can check for collations and > re-issue a collation query. If there are both results and collations > returned, you can give the user results with "did-you-mean" suggestions. > > James Dyer > Ingram Content Group > (615) 213-4311 > > > -----Original Message----- > From: Nicholas Ding [mailto:nicholas...@gmail.com] > Sent: Friday, May 10, 2013 8:47 AM > To: solr-user@lucene.apache.org > Subject: Looking for Best Practice of Spellchecker > > Hi guys, > > I'm working on a local search project, I wanna integrate spellchecker for > the search. > > So basically, my search engines is used to search local businesses. For > example, user could search for "wall mart", here is a typo, I wanna > spellchecker to give me Collation for "walmart". > > My problems are: > 1. I use DirectSolrSpellChecker on my BusinessNameField and pass "wall > mart" as phrase search, but I can't get collation from the spellchecker. > 2. I tried not to pass phrase search, but pass q=Wall AND Mart to force a > 100% match, but spellchecker can't give me collation also. > > I read the documents about spellchecker on Solr wiki, but it's very brief. > I'm wondering is there any best practice of spellchecker, I believe it's > widely used in the search, right? > > And I have another idea, I don't know whether it's valid or not. I want to > apply spellchecker everything before doing the search, so that I could rely > on the spellchecker to tell me whether my search could get result or not. > > Thanks > Nicholas >
