Twease at TREC 2006: Breaking and Fixing BM25 Scoring With Query Expansion, A Biologically Inspired Double Mutant Recovery Experiment.
Kevin C. DorffMatthew J. WoodFabien CampagnePublished in: TREC (2006)
Keyphrases
- biologically inspired
- query expansion
- retrieval effectiveness
- okapi bm
- information retrieval
- language model
- pseudo relevance feedback
- retrieval model
- ad hoc retrieval
- probabilistic retrieval model
- biomedical information retrieval
- information retrieval systems
- document retrieval
- language modeling
- relevance feedback
- average precision
- text retrieval
- short queries
- test collection
- term frequency
- interactive query expansion
- relevance judgments
- language modelling
- relevant documents
- automatic query expansion
- original query
- biological systems
- tf idf
- query terms
- retrieved documents
- term weighting
- improve retrieval effectiveness
- document level
- human judgments
- expert search
- humanoid robot
- sentence retrieval
- query performance prediction
- ranked retrieval
- question answering
- probabilistic model
- learning algorithm