[OPEN-ILS-GENERAL] Evergreen Information Retrieval Theories

[Kathy Lussier]

Hi Lisa,

The presentation I did at last year's Evergreen conference may be 
helpful - http://slides.com/kathylussier/evergreen-search. It reviews 
some of the places where relevance can be adjusted in Evergreen. I've 
been meaning to use the presentation as a basis for documentation, but I 
haven't had a chance to get to it.

I don't know if you're going, but I know Mike Rylander is doing a 
presentation at this year's conference too that might be helpful.

Kathy

On 04/18/2016 09:24 AM, Lisa Setters wrote:
> Hi all!
>
> I think I may have posted this to a listserv that I am not a part of 
> on Friday. So, if you replied to that, would you please reply here 
> instead?
>
> I am hoping that someone can help me with some information. I am 
> writing a report on how Evergreen retrieves records.
>
> Specifically, I am looking for information on the theory of 
> information retrieval that undergirds Evergreen. What type of 
> algorithm does it use? How does it determine relevancy? Does it use a 
> specific method in order to index records? How does it determine what 
> records to pull?
>
> In the Evergreen documentation, I discovered that it uses "cover 
> density" in order to determine relevance.
>
> Can anyone provide any more information?
>
> Thank you,
>
>
> Lisa Setters
> Research and Web Specialist
> 859.858.2100
> Frequently Asked Questions <http://answers.asburyseminary.edu>
> Library Instructional Services
> Asbury Theological Seminary

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

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