Browsing Theses by Subject "Information Retrieval"
Now showing items 21-22 of 22
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Tracking Events in Social Media
(University of Waterloo, 2017-01-20)Tracking topical events in social media streams, such as Twitter, provides a means for users to keep up-to-date on topics of interest to them. This tracking may last a period of days, or even weeks. These events and topics ... -
Wikipedia-Based Semantic Enhancements for Information Nugget Retrieval
(University of Waterloo, 2008-05-16)When the objective of an information retrieval task is to return a nugget rather than a document, query terms that exist in a document often will not be used in the most relevant nugget in the document for the query. In ...