Keyphrases
- verbose queries
- query terms
- ranked list
- retrieval effectiveness
- retrieval model
- user queries
- language model
- cross language information retrieval
- information retrieval systems
- relevance ranking
- query expansion
- co occurrence
- result set
- retrieved documents
- query translation
- information retrieval
- query topic
- relevance scores
- learning to rank
- query logs
- document collections
- document retrieval
- ranking functions
- short queries
- text retrieval
- ranking algorithm
- web search
- entity ranking
- search queries
- user feedback
- databases
- term frequency
- high dimensional
- relevant documents
- current search engines