Smoothing techniques for adaptive online language models: topic tracking in tweet streams.
Jimmy LinRion SnowWilliam MorganPublished in: KDD (2011)
Keyphrases
- topic tracking
- language model
- smoothing methods
- text classification
- language models for information retrieval
- statistical language modeling
- topic detection and tracking
- language modeling
- information filtering
- topic models
- n gram
- information retrieval
- probabilistic model
- document retrieval
- relevance model
- vector space model
- news articles
- language specific
- news stories
- dependency structure
- document representation
- news events
- video search
- speech recognition
- retrieval model
- query expansion
- query terms
- news video
- tf idf
- test collection
- natural language processing
- co occurrence
- retrieval effectiveness
- language independent
- visual features
- relevance feedback
- recommender systems