An Assertion Retrieval Algebra for Object Queries over Knowledge Bases.
Jeffrey PoundDavid TomanGrant E. WeddellJiewen WuPublished in: IJCAI (2011)
Keyphrases
- query language
- knowledge base
- retrieval systems
- query formulation
- retrieval quality
- retrieval process
- boolean queries
- data objects
- query generation
- web retrieval
- ad hoc retrieval
- query processing
- retrieval strategies
- query terms
- ranked retrieval
- complex objects
- knowledge representation
- data model
- cross language retrieval
- test collection
- multiple queries
- data retrieval
- structured documents
- exact match
- relational algebra
- query evaluation
- information retrieval systems
- query logs
- description logics
- text retrieval
- database query languages
- retrieval model
- document retrieval
- semantic query
- image database
- indexing techniques
- indexing structure
- original query
- query expansion
- algebraic expressions
- search engine
- database objects
- database
- expressive power
- web search engines
- d objects
- web search
- approximate matches
- content and structure
- monolingual retrieval
- data sources
- relevance feedback
- algebraic operations
- object identity
- index structure
- user queries
- distributed information retrieval
- relational data model
- range queries