Keyphrases
- retrieval systems
- information retrieval
- document retrieval
- information retrieval systems
- structured documents
- multimedia documents
- retrieval engine
- trec web
- document ranking
- retrieval quality
- storage and retrieval
- data structure
- document indexing
- document structure
- trec genomics
- document content
- text retrieval
- query terms
- web documents
- index terms
- document analysis
- retrieval model
- retrieval strategies
- document collections
- passage retrieval
- test collection
- relevant documents
- average precision
- term frequency
- image database
- web retrieval
- effective retrieval
- content based retrieval
- image retrieval
- document length
- term dependence
- query specific
- document processing
- handwritten documents
- content and structure
- relevance ranking
- ad hoc retrieval
- query expansion
- document level
- document representation
- similar documents
- keywords
- document space
- tf idf
- content similarity
- vector space model
- metadata
- search engine