118 search results - page 2 / 24 » On the Ontological Expressiveness of Temporal Extensions to ... |
CBMS
2007
IEEE
13 years 11 months ago
2007
IEEE
Representing and Reasoning about time and change is one of the primary issues in the area of Artificial Intelligence (AI) and Knowledge Representation (KR). Despite the importance...
TIME
2007
IEEE
13 years 11 months ago
2007
IEEE
This paper presents the automatic extension of TERSEO to other languages, a knowledge-based system for the recognition and normalization of temporal expressions, originally develo...
JODS
2006
13 years 5 months ago
2006
Abstract. Many problems in Information and Data Management require a semantic account of a database schema. At its best, such an account consists of formulas expressing the relatio...
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
NGITS
1995
Springer
13 years 8 months ago
1995
Springer
Dozens of temporal extension of the relational data model and of the query language SQL have appeared in recent years. Recently, a committee formed by researchers from the academi...