The syntactic and semantic correctness of pictorial configurations to query geographic databases by PQL.
Fernando FerriElaheh PourabbasMaurizio RafanelliPublished in: SAC (2002)
Keyphrases
- databases
- database
- semantic constraints
- database queries
- semantic query
- data sources
- natural language
- semantic representation
- syntactic semantic
- relational databases
- semantically related
- data retrieval
- semantic representations
- query processing
- semantic roles
- semantically similar
- response time
- query evaluation
- heterogeneous databases
- context dependent
- relevance feedback
- web databases
- query interface
- user queries
- semantic features
- semantic parsing
- indexing techniques
- semantic network
- semantically equivalent
- database objects
- semantic meaning
- natural language text
- semantic knowledge
- retrieval systems
- recognizing textual entailment
- information retrieval systems
- keywords
- data structure
- semantic space
- conceptual graphs
- semantic analysis
- query terms
- query expansion
- language model