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Large Scale High-Precision Topic Modeling on Twitter
Published on 2014-10-077252 Views
We are interested in organizing a continuous stream of sparse and noisy texts, known as "tweets", in real time into an ontology of hundreds of topics with measurable and stringently high precision. Th
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Presentation
Large Scale High-Precision Topic Modeling on Twitter00:00
Topic modeling of Tweets00:42
Many Use Cases02:09
Quality requirement02:56
Existing approaches?03:42
Meet Jubjub05:56
Technical solutions06:10
Architecture overview06:15
Labeled data acquisition07:42
Tweet text classification08:35
Label correlation08:58
Two stage learning09:43
Diagnosis & corrective learning10:40
Decision Rejection11:00
Quality evaluation11:21
Beyond text11:23
Derive topics from other signals11:34
Integrative inference11:47
Summary11:56
Thank you! 12:17