Hierarchical Re-estimation of Topic Models for Measuring Topical Diversity

no code implementations • 16 Jan 2017 • Azarbonyad Hosein, Dehghani Mostafa, Kenter Tom, Marx Maarten, Kamps Jaap, de Rijke Maarten

We propose a hierarchical re-estimation approach for topic models to combat generality and impurity; the proposed approach operates at three levels: words, topics, and documents.

Topic Models