International Workshop on Intelligent Information Access

Topic Models in ALVIS

author: Wray Buntine, Helsinki Institute of Information Technology

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*Slides*
0:00	Topic Models in ALVIS
0:23	Overview pt 1
1:38	Bag of words as a Sparse Discrete representation for text
2:40	Principal Components Analysis (PCA)
3:54	Approximating Discrete Data
4:57	PCA: Issues
5:01	Independent Components Analysis (ICA)
5:56	Discretizing ICA and PCA
7:22	Viewing Components at the Word Level
7:35	Overview pt 2
7:42	History
9:28	Religious convictions
10:03	Catalogue of interpretations
10:28	Correspondences
10:43	Algorithms
11:50	Computational Issues
12:30	Overview of the MPCA software
12:48	Wikipedia
15:09	Wikipedia, cont. pt 1
20:19	Overview pt 3
20:25	Use in ALVIS
21:21	Search Engine Topics
22:07	Overview of Techniques
23:24	Wikipedia, cont. pt 2
28:12	Overview pt 4

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