Posts on December 2014
from Library Tech Talk

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.