Topic and Trend Detection in Text Collections Using Latent Dirichlet Allocation.
Levent BolelliSeyda ErtekinC. Lee GilesPublished in: ECIR (2009)
Keyphrases
- latent dirichlet allocation
- text collections
- trend detection
- topic models
- text documents
- text mining
- topic modeling
- textual data
- text corpora
- text categorization
- information retrieval
- generative model
- lda model
- document collections
- co occurrence
- information extraction
- probabilistic model
- text data
- text classification
- machine learning
- text retrieval
- inverted index
- data mining
- dimensionality reduction
- knowledge discovery
- named entities
- supervised learning
- databases
- wordnet