Thank you for offering to add to the FAQ! Indeed it should mention the suggester capability. I think you have permissions to edit that wiki? Please go ahead and I think add a link to the suggest module javadocs
On Thu, Oct 7, 2021 at 2:30 AM Michael Wechner <michael.wech...@wyona.com> wrote: > > Thanks very much for your feedback! > > I will try it :-) > > As I wrote I would like to add a summary to the Lucene FAQ > (https://cwiki.apache.org/confluence/display/lucene/lucenefaq) > > Would the following questions make sense? > > - "Does Lucene support incremental search?" > > - "Does Lucene support auto completion suggestions?" > > Or would other other terms / or another wording make more sense? > > Thanks > > Michael > > > > Am 07.10.21 um 01:14 schrieb Robert Muir: > > TLDR: use the lucene suggest/ package. Start with building suggester > > from your query logs (either a file or index them). > > These have a lot of flexibility about how the matches happen, for > > example pure prefixes, edit distance typos, infix matching, analysis > > chain, even now Japanese input-method integration :) > > > > Run that suggester on the user input, retrieving say, the top 5-10 > > matches of relevant query suggestions. > > return those in the UI (typical autosuggest-type field), but also run > > a search on the first one. > > > > The user gets the instant-search experience, but when they type 'tes', > > you search on 'tesla' (if that's the top-suggested query, the > > highlighted one in the autocomplete). if they arrow-down to another > > suggestion such as 'test' or type a 't' or use the mouse or whatever, > > then the process runs again and they see the results for that. > > > > IMO for most cases this leads to a saner experience than trying to > > rank all documents based on a prefix 'tes': the problem is there is > > still too much query ambiguity, not really any "keywords" yet, so > > trying to rank those documents won't be very useful. Instead you try > > to "interact" with the user to present results in a useful way that > > they can navigate. > > > > On the other hand if you really want to just search on prefixes and > > jumble up the results (perhaps because you are gonna just sort by some > > custom document feature instead of relevance), then you can do that if > > you really want. You can use the n-gram/edge-ngram/shingle filters in > > the analysis package for that. > > > > On Wed, Oct 6, 2021 at 5:37 PM Michael Wechner > > <michael.wech...@wyona.com> wrote: > >> Hi > >> > >> I am trying to implement a search with Lucene similar to what for > >> example various "Note Apps" (e.g. "Google Keep" or "Samsung Notes") are > >> offering, that with every new letter typed a new search is being executed. > >> > >> For example when I type "tes", then all documents are being returned > >> containing the word "test" or "tesla" and when I continue typing, for > >> example "tesö" and there are no documents containing the string "tesö", > >> then the app will tell me that there are no matches. > >> > >> I have found a couple of articles related to this kind of search, for > >> example > >> > >> https://stackoverflow.com/questions/10828825/incremental-search-using-lucene > >> > >> https://stackoverflow.com/questions/120180/how-to-do-query-auto-completion-suggestions-in-lucene > >> > >> but would be great to know whether there exist other possibilities or > >> what the best practice is? > >> > >> I am even not sure what the right term for this kind of search is, is it > >> really "incremental search" or something else? > >> > >> Looking forward to your feedback and will be happy to extend the Lucene > >> FAQ once I understand better :-) > >> > >> Thanks > >> > >> Michael > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > >> For additional commands, e-mail: java-user-h...@lucene.apache.org > >> > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > > For additional commands, e-mail: java-user-h...@lucene.apache.org > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
