You have "Hello New York City" as both working and non-working example. I am not sure what specifically is an issue.
In general, you have processing on both indexing and query and then the tokens must match in the right order. Just like a normal phrase search, but in reverse. Regards, Alex. On 1 August 2018 at 22:13, Zheng Lin Edwin Yeo <edwinye...@gmail.com> wrote: > Hi Alexandre, > > Thanks for the information. > > I found that it is able to retrieve the record if I search for "Hello New > York City" or "New York City". > However, I am not able to retrieve it if I search for "Hello New York City" > or "Hello New York". > Is that the right behavior? > > Regards, > Edwin > > On Wed, 1 Aug 2018 at 22:13, Alexandre Rafalovitch <arafa...@gmail.com> > wrote: > >> You may find this interesting: >> >> https://slideshare.net/arafalov/searching-for-ai-leveraging-solr-for-classic-artificial-intelligence-tasks/ >> Specifically, slides 15-18. >> >> Basically, it is a reverse from normal search. You are searching for >> occurrences of the already indexed terms (here, the place names) in >> the text you sent. And it returns information about what it found and >> where in your original text it is (the offsets). The text you send to >> the tagger does not end up in Solr. >> >> What is missing is a good visualization of what it found. Which would >> be a bit like highlighter, taking those offsets and applying them to >> the original text. >> >> Regards, >> Alex. >> >> On 1 August 2018 at 05:59, Zheng Lin Edwin Yeo <edwinye...@gmail.com> >> wrote: >> > Hi, >> > >> > I am trying out the Tagger Handler in Solr 7.4.0 by following the >> tutorial >> > from >> > >> https://lucene.apache.org/solr/guide/7_4/the-tagger-handler.html#tutorial-with-geonames >> > >> > I have managed to set it up to work, but what I do not really understand >> is >> > how to analyse the output. From the example, it seems to be trying to tag >> > 'Hello New York City', and it returns one output. This seems more like >> > searching for the 'name' field (in the example, the 'name' field is >> copied >> > to the 'name_tag' field for tagging) and getting the records with the >> name >> > "New York City". >> > >> > What is the actual purpose of doing this? >> > >> > Also, what does the "startOffset" and "endOffset" means, and how the >> value >> > is calculated? >> > >> > { >> > "responseHeader":{ >> > "status":0, >> > "QTime":1}, >> > "tagsCount":1, >> > "tags":[[ >> > "startOffset",6, >> > "endOffset",19, >> > "ids",["5128581"]]], >> > "response":{"numFound":1,"start":0,"docs":[ >> > { >> > "id":"5128581", >> > "name":["New York City"], >> > "countrycode":["US"]}] >> > }} >> > >> > >> > Regards, >> > Edwin >>
