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International Conference on Machine Learning 2005 - Bonn

Learning Hierarchical Multi-Category Text Classification Models

author:Juho Rousu, University of Helsinki
published: Feb. 25, 2007, recorded: August 2005, views: 98

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Slides

Slides
0:03	Learning Hierarchical Multi-Category Text Classification Models
0:59	Hierarchical Multilabel Classification:
1:57	Frequently used learning strategies for hierarchies
3:46	Max-margin Structured output approach
4:49	Loss functions for hierarchies
7:46	Optimization problem
9:45	Marginalized problem
11:56	Marginalized problem
13:40	Efficient optimization
14:58	Conditional Gradient-based training
15:23	Conditional Gradient-based training
15:39	Conditional Gradient-based training
15:43	Conditional Gradient-based training
15:47	Conditional Gradient-based training
15:57	Experiments
17:15	Microlabel prediction quality: whole tree
18:38	Levelwise F1
19:44	Optimization efficiency
20:56	Conclusions

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