550 search results - page 27 / 110 » An Expressive Language for Linear Spatial Database Queries |
APIN
2002
13 years 8 months ago
2002
We develop the scheme of indefinite constraint databases using first-order logic as our representation language. When this scheme is instantiated with temporal constraints, the res...
CLIN
2004
13 years 10 months ago
2004
The present paper reports on an end-to-end application using a deep processing grammar to extract spatial and temporal information of prepositional and adverbial expressions from ...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Linguistic research and natural language processing employ large repositories of ordered trees. XML, a standard ordered tree model, and XPath, its associated language, are natural...
DBPL
2007
Springer
14 years 2 months ago
2007
Springer
Martens et al. defined a pattern-based specification language equivalent in expressive power to the widely adopted XML Schema definitions (XSDs). This language consists of rules...
SIGMOD
2001
ACM
14 years 8 months ago
2001
ACM
The XQuery formalization is an ongoing effort of the W3C XML Query working group to define a precise formal semantics for XQuery. This paper briefly introduces the current state o...