Keyphrases
- language model
- entity linking
- relevance model
- language modeling
- knowledge base
- document retrieval
- information retrieval
- topic modeling
- query expansion
- n gram
- retrieval model
- probabilistic model
- test collection
- multi modal
- semantic search
- pseudo relevance feedback
- vector space model
- document representation
- machine learning
- translation model
- cross lingual
- context dependent
- multimedia
- wikipedia articles
- image annotation