Using PageRank for Characterizing Topic Quality in LDA.
Sujatha Das GollapalliXiaoli LiPublished in: ICTIR (2018)
Keyphrases
- latent dirichlet allocation
- topic models
- topic modeling
- topic discovery
- high quality
- random walk
- web search
- linear discriminant analysis
- neural network
- web search engines
- discriminant analysis
- dimensionality reduction
- feature extraction
- user behavior
- data mining
- latent topics
- latent semantic analysis
- machine learning
- higher quality
- information retrieval
- search engine
- semi supervised
- feature space