[OPEN-ILS-GENERAL] Activity metric for relevance

[Kathy Lussier]

Hi Rogan,

Yes, that's right. According to Thomas Berezansky, if you have other 
relevancy bumps active from search.relevance_adjustment, they will be 
combined, so it won't just be the activity metrics.

Kathy

Kathy Lussier
Project Coordinator
Massachusetts Library Network Cooperative
(508) 343-0128
klussier at masslnc.org
Twitter: http://www.twitter.com/kmlussier

On 3/14/2013 4:02 PM, Rogan Hamby wrote:
> Am I correct in assuming that the bump amount is essentially the 
> weight that bump will have when adding up the total effect of the 
> bumps on that search?
>
>
> On Thu, Mar 14, 2013 at 3:53 PM, Kathy Lussier <klussier at masslnc.org 
> <mailto:klussier at masslnc.org>> wrote:
>
>     Hi all,
>
>     MassLNC is working with our partners at MVLC to develop an
>     activity metric (aka popularity metric) that will allow sites to
>     rank more popular items a little higher in search results than
>     items that don't see as much activity. I've raised this idea on
>     the list before. Although Evergreen allows sites to adjust
>     relevancy based on the appearance of keywords in certain fields,
>     which is highly useful, our hope is that this additional
>     functionality will lead to further improvement when ranking
>     results by relevance.
>
>     As an example, if a user were conducting a keyword search on
>     "abraham lincoln,"  there are many titles in most US libraries
>     where the words "abraham lincoln" show up in the title. There
>     would be no way to tease out the titles that are getting the most
>     attention by readers. In fact, a title like "Team of Rivals" ranks
>     very low in our search results even though there is a high
>     likelihood it is the title the patron is seeking.  By applying a
>     metric based on activity, we might be able to see those
>     more-recently popular titles floating higher in the search results
>     list.
>
>     I would like to share MVLC's proposal outlining the details for
>     implementing this project. The proposal is available at
>     http://masslnc.cwmars.org/node/2757. It provides a lot of
>     flexibility in allowing sites to define what "high activity" means
>     to them. Circulation activity, holds activity, total copies, and
>     publication age/bib record age can all be used as an activity metric.
>
>     If you have any feedback or questions, feel free to let us know.
>
>     Kathy
>
>     -- 
>     Kathy Lussier
>     Project Coordinator
>     Massachusetts Library Network Cooperative
>     (508) 343-0128 <tel:%28508%29%20343-0128>
>     klussier at masslnc.org <mailto:klussier at masslnc.org>
>     Twitter: http://www.twitter.com/kmlussier
>
>
>
>
> -- 
>
> Rogan Hamby, MLS, CCNP, MIA
> Managers Headquarters Library and Reference Services,
> York County Library System
>
> "You can never get a cup of tea large enough or a book long enough to 
> suit me."
> -- C.S. Lewis <http://www.goodreads.com/author/show/1069006.C_S_Lewis>

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