L3S at INEX 2007: Query Expansion for Entity Ranking Using a Highly Accurate Ontology.
Gianluca DemartiniClaudiu S. FiranTereza IofciuPublished in: INEX (2007)
Keyphrases
- entity ranking
- highly accurate
- query expansion
- ad hoc retrieval
- xml retrieval
- information retrieval systems
- pseudo relevance feedback
- retrieval effectiveness
- information retrieval
- relevant documents
- language model
- relevance feedback
- expert search
- ranked list
- language modeling
- high accuracy
- high quality
- test collection
- knowledge representation
- retrieval model
- query terms
- named entities
- knowledge base
- retrieved documents
- document ranking
- retrieval systems
- document collections
- ranked retrieval
- average precision
- relevance model
- passage retrieval
- document retrieval