Hi guys, following this thread I have some question : 1) regarding LUCENE-5350, what is the context quoted ? Is it the context a filter query ?
2) regarding https://issues.apache.org/jira/browse/SOLR-5378, do we have the final documentation available ? Cheers 2014/1/16 Hamish Campbell <hamish.campb...@koordinates.com> > Thank you Jorge. We looked at phrase suggestions from previous user > queries, but they're not so useful in our case. However, I have a follow-up > question about similar functionality that I'll post shortly. > > The list might like to know that I've come up with a quick and exceedingly > dirty <strike>hack</strike> solution that works for our limited case. > > You have been warned! > > Note that we're using django-haystack to actually interact with Solr: > > 1. Set nonFuzzyPrefix of the Suggester to 4. > 2. At index time, the haystack index will build suggestion terms by > extracting the relevant terms and prefixing with a 4 (alpha) character > reference for the target instance. > 3. At search time, the user's query is split, terms are prefixed and > concatenated. The new query is sent to solr and the results are cleaned of > references before returned to the front end. > > I'm not proud of it, but it works. =D > > > > On Fri, Jan 17, 2014 at 3:13 AM, Jorge Luis Betancourt González < > jlbetanco...@uci.cu> wrote: > > > In a custom application we have, we use a separated core (under Solr > > 3.6.1) to store the queries used by the users and then provide the > > autocomplete feauture. In our case we need to filter some phrases, that > we > > don't need to be suggested to the users. I build a custom > > UpdateRequestProcessor to implement this logic, so we define this > "blocking > > patterns" in some external source of information (DB, files, etc.). For > the > > suggestions per-se we use as a base > > https://github.com/cominvent/autocomplete configuration, described in > > www.cominvent.com/2012/01/25/super-flexible-autocomplete-with-solr/ > > which is pretty usable as it comes. I found (personally) this approach > way > > more flexible than the original suggester component, but it involves > > storing the user's queries into a separated core. > > > > Greetings, > > > > ----- Original Message ----- > > From: "Hamish Campbell" <hamish.campb...@koordinates.com> > > To: solr-user@lucene.apache.org > > Sent: Wednesday, January 15, 2014 9:10:16 PM > > Subject: Re: Search Suggestion Filtering > > > > Thanks Tomás, I'll take a look. > > > > Still interested to hear from anyone about using queries to populate the > > list - I'm willing to give up a bit of performance for the flexibility it > > would provide. > > > > > > On Thu, Jan 16, 2014 at 1:06 PM, Tomás Fernández Löbbe < > > tomasflo...@gmail.com> wrote: > > > > > I think your use case is the one described in LUCENE-5350, maybe you > want > > > to take a look to the patch and comments there. > > > > > > Tomás > > > > > > > > > On Wed, Jan 15, 2014 at 12:58 PM, Hamish Campbell < > > > hamish.campb...@koordinates.com> wrote: > > > > > > > Hi all, > > > > > > > > I'm looking into options for filtering the search suggestions > > dictionary. > > > > > > > > Using Solr 4.6.0, Suggester component and fst.FuzzyLookupFactory > using > > a > > > > field based dictionary, we're indexing records for a multi-tenanted > > SaaS > > > > platform. SearchHandler records are always filtered by the particular > > > > client warehouse (e.g. by domain), however we need a way to apply a > > > similar > > > > filter to the spell check dictionary to prevent leaking terms between > > > > clients. In other words: when client A searches for a document title > > they > > > > should not receive spelling suggestions for client B's document > titles. > > > > > > > > This has been asked a couple of times, on the mailing list and on > > > > StackOverflow. Some of the suggested approaches: > > > > > > > > 1. Use dynamic fields to create dictionaries per-warehouse (mentioned > > > here: > > > > > > > > > > > > > > http://lucene.472066.n3.nabble.com/Filtering-down-terms-in-suggest-tt4069627.html > > > > ) > > > > > > > > That might be a reasonable option for us (we already considered a > > similar > > > > approach), but at what point does this stop scaling efficiently? How > > many > > > > dynamic fields are too many? > > > > > > > > 2. Run a query to populate the suggestion list (also mentioned in > that > > > > thread) > > > > > > > > If I understand this correctly, this would give us a lot of > flexibility > > > and > > > > power: for example to give a more nuanced result set using the users > > > > permissions to expose private documents in their spelling > suggestions. > > > > > > > > I expect this would be a slow query, but our total document count is > > > > currently relatively small (on the order of 10^3 objects) and I > imagine > > > you > > > > could create a specific word index with the appropriate fields to > keep > > > this > > > > in check. Is this a feasible approach, and if so, how do you build a > > > > dynamic suggestion list? > > > > > > > > 3. Other options: > > > > > > > > It seems like this is a common problem - and we could through some > > > > resources at building an extension to provide some limited suggestion > > > > dictionary filtering. Is anyone already doing something similar, or > has > > > > found a clever hack around this, or can suggest a starting point? > > > > > > > > Thanks everyone! > > > > > > > > -- > > > > Hamish Campbell > > > > Koordinates Ltd <http://koordinates.com/?_bzhc=esig> > > > > PH +64 9 966 0433 > > > > FAX +64 9 966 0045 > > > > > > > > > > > > > > > -- > > Hamish Campbell > > Koordinates Ltd <http://koordinates.com/?_bzhc=esig> > > PH +64 9 966 0433 > > FAX +64 9 966 0045 > > > > > ________________________________________________________________________________________________ > > III Escuela Internacional de Invierno en la UCI del 17 al 28 de febrero > > del 2014. Ver www.uci.cu > > > > > > -- > Hamish Campbell > Koordinates Ltd <http://koordinates.com/?_bzhc=esig> > PH +64 9 966 0433 > FAX +64 9 966 0045 > -- -------------------------- Benedetti Alessandro Visiting card : http://about.me/alessandro_benedetti "Tyger, tyger burning bright In the forests of the night, What immortal hand or eye Could frame thy fearful symmetry?" William Blake - Songs of Experience -1794 England
