Search for the Best but Expect the Worst - Distributed Top-k Queries over Decreasing Aggregated Scores.
Sebastian MichelThomas NeumannPublished in: WebDB (2007)
Keyphrases
- result set
- query processing
- search queries
- user queries
- query formulation
- search algorithm
- query reformulation
- prior art
- query result
- complex queries
- query suggestion
- response time
- distributed systems
- query routing
- distributed environment
- query logs
- query language
- search space
- highly relevant
- search interface
- original query
- scoring function
- relevance scores
- scoring functions
- replica selection
- approximate matches
- similarity search
- user defined
- indexing techniques
- peer to peer
- web search engines
- collaborative web search
- efficient processing
- query evaluation
- keyword queries
- inverted index
- distributed information retrieval
- search experience
- database
- unstructured p p systems
- peer to peer networks
- inverted file
- search sessions
- skyline queries
- range queries
- retrieval systems
- query expansion
- web search
- information retrieval