496 search results - page 77 / 100 » Efficient Implementation of Semantic Relations in Lexical Da... |
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
Clio, the IBM Research system for expressing declarative schema mappings, has progressed in the past few years from a research prototype into a technology that is behind some of I...
SIGMOD
1999
ACM
14 years 1 days ago
1999
ACM
Several techniques that compute the join between two spatial datasets have been proposed during the last decade. Among these methods, some consider existing indices for the joined...
WWW
2001
ACM
14 years 8 months ago
2001
ACM
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
KCAP
2005
ACM
14 years 1 months ago
2005
ACM
For decades, researchers in knowledge representation (KR) have argued for and against various choices in KR formalisms, such as Rules, Frames, Semantic nets, and Formal logic. In ...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Suppose a long-running analytical query is executing on a database server and has been allocated a large amount of physical memory. A high-priority task comes in and we need to ru...