Construction of query concepts based on feature clustering of documents.
Youjin ChangMinkoo KimVijay V. RaghavanPublished in: Inf. Retr. (2006)
Keyphrases
- user queries
- document clustering
- term dependencies
- query terms
- database
- retrieval systems
- original query
- keywords
- boolean queries
- similar documents
- clustering method
- relevant documents
- information retrieval systems
- vector space
- semantic relationships
- query expansion
- document collections
- document space
- data objects
- retrieved documents
- query specific
- document set
- clustering algorithm
- document corpus
- concept space
- language model
- query processing
- multimedia documents
- relevance judgments
- information retrieval
- document ranking
- document relevance
- similarity graph
- concept hierarchy
- metasearch engine
- documents retrieved
- relevance model
- result set
- document retrieval
- web documents
- feature vectors
- retrieval effectiveness
- text clustering
- wikipedia articles
- relevance feedback
- text documents
- data sources
- content similarity
- distributed information retrieval
- related documents
- test collection
- k means
- retrieval model
- cluster labels
- data points
- retrieval process
- inter document similarities
- search engine
- relevance ranking
- controlled vocabulary
- semantically related
- key concepts
- inverted index
- co occurrence
- similarity computation
- semantic information
- cosine similarity
- ranked list
- metadata