Querying the Unary Negation Fragment with Regular Path Expressions.
Jean Christoph JungCarsten LutzMauricio MartelThomas SchneiderPublished in: ICDT (2018)
Keyphrases
- efficient query evaluation
- semistructured databases
- logic programming
- semi structured
- logic programs
- query evaluation
- database
- deductive databases
- databases
- query processing
- semistructured data
- fixpoint
- query language
- regular path queries
- information extraction
- text mining
- pattern matching
- incomplete information
- multimedia databases
- information retrieval