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Semantic Visualization for Spherical Representation
Published on Oct 07, 20141541 Views
Visualization of high-dimensional data such as text documents is widely applicable. The traditional means is to find an appropriate embedding of the high-dimensional representation in a low-dimensiona
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Chapter list
Semantic Visualization for Spherical Representation00:00
Visualize Document Collections - 100:02
Visualize Document Collections - 200:21
Topic Model01:14
Topic Model Not Intended for Visualization01:55
Semantic Visualization Problem02:24
Our Approach for Semantic Visualization03:21
Data Representation – Word Space03:52
Data Representation – Topic Space05:32
Topic Representation05:45
Relationship between Topic Distributions and Visualization Coordinates06:32
Spherical Semantic Embedding07:15
Generative Process08:09
Parameter Estimation08:18
Comparative Methods08:29
20News Dataset (20 Categories)09:47
Visualization Comparison11:21
Conclusion12:18