Topic Evolution in a Stream of Documents.
André GohrAlexander HinneburgRene SchultMyra SpiliopoulouPublished in: SDM (2009)
Keyphrases
- expert finding
- document set
- document content
- topic modeling
- topic discovery
- text streams
- topic specific
- multi document summarization
- information retrieval
- data streams
- news stories
- topic models
- document collections
- latent topics
- document classification
- textual content
- topic segmentation
- information retrieval systems
- document retrieval
- document level
- text documents
- text corpora
- latent dirichlet allocation
- web documents
- topic hierarchy
- relevant documents
- query topic
- related documents
- concept space
- metadata
- user interests
- xml documents
- sliding window
- document clustering
- document summaries
- keywords
- text analysis
- electronic documents
- news articles
- retrieval systems
- news items
- text classification
- focused crawling
- cross document
- related topics
- topic detection
- sentiment polarity