Keyphrases
- query expansion
- document level
- language modeling
- cross lingual
- information retrieval systems
- cross language
- multilingual information retrieval
- language model
- information retrieval
- text retrieval
- ad hoc retrieval
- digital libraries
- query specific
- retrieval effectiveness
- relevance feedback
- xml retrieval
- cross language ir
- pseudo relevance feedback
- cross language information retrieval
- automatic query expansion
- improving search
- original query
- retrieval model
- language independent
- query terms
- relevant documents
- interactive query expansion
- text mining
- expansion terms
- information extraction
- query disambiguation
- comparable corpora
- federated search
- ranking algorithm
- query translation