A New Access Index for Fast Execution of Conjunctive Queries over Text Data.
Yuping YangMukesh SinghalPublished in: IDEAS (1999)
Keyphrases
- conjunctive queries
- text data
- query evaluation
- query answering
- text classification
- text mining
- np complete
- integrity constraints
- data complexity
- high dimensional
- query language
- text documents
- data exchange
- structured data
- special case
- query containment
- query rewriting
- high dimensional data
- decision procedures
- data sets
- document collections
- data mining
- boolean expressions
- regular path queries
- containment of conjunctive queries
- xml data
- artificial intelligence
- real world
- index structure
- data management
- knowledge discovery
- knowledge representation
- xml documents
- data analysis
- web pages
- information retrieval
- database