New topic detection in microblogs and topic model evaluation using topical alignment

This thesis deals with topic model evaluation and new topic detection in microblogs. Microblogs are short and thus may not carry any contextual clues. Hence it becomes challenging to apply traditional natural language processing algorithms on such data. Graphical models have been traditionally used...

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Bibliographic Details
Main Author: Rajani, Nazneen Fatema Naushad
Format: Others
Published: 2014
Subjects:
Online Access:http://hdl.handle.net/2152/25914