2228 search results - page 123 / 446 » A System for Semantic Query Optimization |
PVLDB
2010
14 years 8 months ago
2010
In XML search systems twig queries specify predicates on node values and on the structural relationships between nodes, and a key operation is to join individual query node matche...
IRCDL
2007
14 years 11 months ago
2007
— Next generation Digital Libraries (DLs) will offer an entire ensemble of systems and services designed to help users to easily find and access the information they are looking...
EMNLP
2009
14 years 7 months ago
2009
Most existing information retrieval (IR) systems do not take much advantage of natural language processing (NLP) techniques due to the complexity and limited observed effectivenes...
ICDE
2007
IEEE
15 years 4 months ago
2007
IEEE
Partitioned query processing is an effective method to process continuous queries with large stateful operators in a distributed systems. This method typically partitions input da...
BIBE
2007
IEEE
15 years 4 months ago
2007
IEEE
—We present an information retrieval model for combining evidence from concept-based semantics, term statistics, and context for improving search precision of genomics literature...