The End of Zero-hit Queries: Query Previews for NASA's Global Change Master Directory.
Stephan GreeneEgemen TaninCatherine PlaisantBen ShneidermanLola OlsenGene MajorSteve JohnsPublished in: Int. J. Digit. Libr. (1999)
Keyphrases
- query processing
- user queries
- query evaluation
- database queries
- range queries
- response time
- query formulation
- multiple queries
- efficient processing
- complex queries
- queries involving
- original query
- query types
- answering queries
- query answers
- query terms
- boolean queries
- processing queries
- query result
- query complexity
- database
- search queries
- query specific
- query suggestion
- result set
- uniform manner
- range sum queries
- relational queries
- probabilistic databases
- query rewriting
- semantic query
- data sources
- spatial queries
- aggregate queries
- web queries
- query expansion
- retrieval systems
- recursive queries
- query containment
- query language
- information retrieval systems
- inverted index
- pre computed
- query optimization
- xpath queries
- web search engines
- approximate answers
- database systems
- retrieval process
- query answering
- search engine
- selectivity estimation
- cost model
- skyline queries
- multi dimensional
- visual query language
- query engine
- exact answers
- query refinement
- query patterns
- query execution
- index structure
- query logs
- search logs
- aggregate views
- tree patterns
- indexing techniques
- keyword queries
- relevance feedback
- query plan
- keyword search
- relevance model
- conjunctive queries
- data cube