Library Tech Talk

Technology Innovations and Project Updates from the U-M Library I.T. Division

Website Refresh: Really Thinking It Through

Screenshot of the DLPS web presence after the refresh.

The Digital Library Production Service (DLPS) recently did a thoughtful and comprehensive update of its web presence on the University of Michigan Library website. This post summarizes the process and calls out the value of having a web content strategist in the mix.

Practical Relevance Ranking for 11 Million Books, Part 3: Document Length Normalization

Relevance is a complex concept which reflects aspects of a query, a document, and the user as well as contextual factors. Relevance involves many factors such as the user's preferences, task, stage in their information-seeking, domain knowledge, intent, and the context of a particular search. This post is the third in a series by Tom Burton-West, one of the HathiTrust developers, who has been working on practical relevance ranking for all the volumes in HathiTrust for a number of years.

Quick Links and Search Frequency

Screenshot of U-M Library's Gateway page

Does adding links to popular databases change user searching behavior? An October 2013 change to the University of Michigan Library’s front page gave us the opportunity to conduct an empirical study and shows that user behavior has changed since the new front page design was launched.

Practical Relevance Ranking for 11 Million Books

Relevance weight vs. term occurrences

Relevance is a complex concept which reflects aspects of a query, a document, and the user as well as contextual factors. Relevance involves many factors such as the user's preferences, task, stage in their information-seeking, domain knowledge, intent, and the context of a particular search. Tom Burton-West, one of the HathiTrust developers, has been working on practical relevance ranking for all the volumes in HathiTrust for a number of years.

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