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 >
