[ckan-dev] Solr schema adjustements

Wed Aug 12 07:00:28 UTC 2015

Hi Joe,
This is an excellent idea and it will be good to have it in docs. We will give a try and will let you know our results.

Thanks for quick reply.

Cheers,
  Dan Mihaila

> On 12 Aug 2015, at 03:03, Joe Tsoi <joe.tsoi at okfn.org> wrote:
> 
> Hi Dan,
> 
> This is the sort of are that I've been meaning to add to the docs for
> a while. You shouldn't need to mess around with the schema to do what
> you require, as the schema already contains the tags the dataset has.
> Although I may be misreading what you require.
> 
> I would use use boosting to improve the search relevency of the alpha
> datasets. For example I can search for datasets containing a "test"
> tag or a "economics" tag, but also boost the search relevency of any
> dataset with the tag economics by typing  "(tags:Test) OR
> (tags:economics)^2.0" into the default search box. You can see and
> example of this on demo.ckan.org
> 
> http://demo.ckan.org/dataset?q=(tags%3ATest)+OR+(tags%3Aeconomics)^2.0
> 
> The economics results will appear above the test tag results as we've
> boosted their relevency. I recommend you take a look at some of the
> solr tutorials out there if you want to know more
> 
> http://www.solrtutorial.com/solr-search-relevancy.html
> 
> anything passed to q will be passed along to the q parameter in solr.
> You could probably mess around with the front end templates to help
> users construct this query instead of having users have to know solr
> syntax, but as I said this is an area I've been meaning to add to the
> docs for a while.
> 
> hope that helps a bit.
> 
> Joe
> 
>> On 11 August 2015 at 15:28, Dan Mihaila <danmihaila at gmail.com> wrote:
>> Hello,
>> In our CKAN project (http://data.rwlabs.org) we would like to boost tags in search results. For example if an user searches "alpha" we would like to see in search results datasets that don't contain "alpha" in title or description,etc. but they have a tag named "alpha".
>> My question is if it safe to play with SOLR schema (what could be the impact on other searches) and if there are any recommendations about this?
>> 
>> Regards,
>> Dan Mihaila
>> 
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