Thanks Erick for you reply, I see you refer to solr sources while I was hoping for lucene suggestions.
I hadn't thought of the idea of reverse indexing the facet values and will consider it. Meanwhile I will try to explore how I might to use the TaxonomyIndex as well, as this should contain the FacetLabels I'd like to use. -Rob On Wed, Apr 12, 2017 at 5:00 PM, Erick Erickson <erickerick...@gmail.com> wrote: > First take a look at autosuggest. That does some great stuff if you > can build the autocomplete dictionary only periodically, which can be > somewhat expensive. See: > https://lucidworks.com/2015/03/04/solr-suggester/ > > There are lighter-weight ways to autosuggest that should be extremely > fast, in particular index your stuff backwards in a suggest field as: > John Doe - Author > > and use TermsComponent on that for instance. TermsComponent is pretty > literal, i.e. it's case-sensitive but you can send terms.prefix=jo and > case things properly on the app side. > > Best, > Erick > > On Wed, Apr 12, 2017 at 6:33 AM, Rob Audenaerde > <rob.audenae...@gmail.com> wrote: > > I have a Lucene (6.4.2) index with about 2-5M documents, and each > document > > has about 10 facets (for example 'author', 'publisher', etc). The facets > > might have up to 100.000 different values. > > > > I have a search bar on top of my application, and would like to implement > > autocomplete using the facets. For example, when the user enters 'Jo' I > > would like the options to be: > > > > 'John Doe - Author' > > 'Jonatan Driver - Publisher' > > 'Joan Deville - Author' > > ... > > > > My facets are structured using the FacetFields and Lucene Taxonomy, like > > this: > > > > 'Author / John Doe' > > 'Author / Joan Deville' > > ... > > > > Are there built-in options to create such an autocomplete? Or do I have > to > > build it myself? > > > > I prefer not to do a search on all the matching documents and collect > > facets for those, because that is not very fast > > > > Any hints? > > > > Thanks in advance, > > Rob Audenaerde > > > > See also: > > http://stackoverflow.com/questions/43369715/lucene- > autocomplete-using-facet-labels > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > >
