Hello Tasha,

I've created 2 records with
  245$a Electroactive polymer (EAP) actuators as artificial muscles
and the following query returns the 2 results.
/opac-search.pl?idx=&q=Electroactive%20polymer%20%28EAP%29%20actuators&weight_search=1

Tried on master and 20.11.06.

Maybe a silly idea: does it work without the parenthesis?

Could you try and recreate it on a sandbox
(https://wiki.koha-community.org/wiki/Sandboxes) and provide us a step
by step plan to reproduce the problem?

Regards,
Jonathan

Le mar. 22 juin 2021 à 00:46, Bales (US), Tasha R
<[email protected]> a écrit :
>
> Good afternoon,
>
> I’m having trouble with Title vs. Library catalog keyword searching with 
> several example titles.  Searching the same phrase with either method yields 
> different results.  This problem occurs only in the OPAC.  I hope to confirm 
> whether the behavior I’m seeing is intended (i.e., the problem is me) or not. 
>  Thanks in advance.
>
> For example, given the ebook title, Electroactive polymer (EAP) actuators as 
> artificial muscles,
> a Title keyword search in the OPAC is successful, but a plain, Library 
> catalog (i.e., no index specified), keyword search fails.
>
> For reference, the title is recorded in the MARC record as:
> 245 00 - TITLE STATEMENT
>   a Title Electroactive polymer (EAP) actuators as artificial muscles :
>
> Below I’ve copied in my search history as well as the tail of the search URL 
> that shows the search parameters.
>
>
> ·         Library catalog keyword search with 0 results
>
> o   2021-06-21 02:34 PM   Electroactive polymer (EAP) actuators, 
> suppress:false  0
>
> o   
> …opac-search.pl?idx=&q=Electroactive%20polymer%20%28EAP%29%20actuators&weight_search=1
>
>
> ·         Title keyword search with 2 results
>
> o   2021-06-21 02:34 PM   Electroactive polymer (EAP) actuators, 
> suppress:false  2
>
> o   
> …opac-search.pl?idx=ti&q=Electroactive+polymer+%28EAP%29+actuators&weight_search=1
>
> As a test, I decided to enclose my Library catalog search terms in quotes, 
> which yielded the desired results.  However, I did not at all anticipate that 
> quotes would be required to get hits:
>
>
> ·         Library catalog quoted keyword search with 2 results
>
> o   2021-06-21 02:46 PM   "Electroactive polymer (EAP) actuators", 
> suppress:false  2
>
> o   … 
> opac-search.pl?idx=&q=%22Electroactive+polymer+%28EAP%29+actuators%22&weight_search=1
>
> On comparing the above URL query strings, it appears that the unquoted terms 
> in the Library catalog keyword search aren’t “anded” together with a “+” the 
> way other searches are, but I’m not sure what the implications are, if any.  
> Also, the Koha manual indicates the following, which suggests to me that I 
> ought to get hits on the unquoted string:
>
> When you have more than one word in the search box, Koha will still do a 
> keyword search, but a bit differently. Each word will be searched on its own, 
> then the Boolean connector ‘and’ will narrow your search to those items with 
> all words contained in matching records.
>
> I understand and can predict pretty well the way our old ILS (Millennium, if 
> context helps) will perform a keyword search, but I’m a little confused here. 
>  My expectation for this particular case is that all of the above methods 
> would yield results.  If there are any pointers to be had, I thank you if 
> might point me to them so that I may be better poised to help users.
>
> I’m using Elasticsearch with Koha 20.11.06.  I reindexed both authorities and 
> biblios today, but that didn’t impact my experience.  The records are not 
> newly added.
>
> Thanks!
>
>
> Tasha Bales
> Business Support Team | Information Services
> Enterprise Services | Enterprise Operations, Finance and Sustainability
>
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