Inferring the Principal Type and the Schema Requirements of an OQL Query.
Agathoniki TrigoniGavin M. BiermanPublished in: BNCOD (2001)
Keyphrases
- schema evolution
- query language
- database
- semistructured data
- query interface
- xpath queries
- query evaluation
- query optimization
- query execution
- data model
- query processing
- rewriting rules
- xml data
- recursive queries
- query formulation
- definition language
- response time
- object databases
- database queries
- relevance feedback
- data sources
- database systems
- semantically equivalent
- queries involving
- database objects
- class hierarchies
- path expressions
- object oriented databases
- user queries
- keywords
- databases
- query optimizer
- complex queries
- object model
- cost model
- range queries