IIT at TREC 2002 Linear Combinations Based on Document Structure and Varied Stemming for Arabic Retrieval.
Abdur ChowdhuryMohammed AljlaylEric C. JensenSteven M. BeitzelDavid A. GrossmanOphir FriederPublished in: TREC (2002)
Keyphrases
- document structure
- linear combination
- okapi bm
- retrieval effectiveness
- relevant documents
- test collection
- information retrieval
- structured documents
- small number
- xml documents
- passage retrieval
- query expansion
- question answering
- retrieval model
- text summarization
- information retrieval systems
- document retrieval
- relevance feedback
- document representation
- document collections
- hierarchical structures
- xml elements
- semi supervised
- relational databases
- ad hoc retrieval
- semantic information
- xml data
- hidden markov models
- keywords