3891 search results - page 517 / 779 » Query Models |
137
Voted
SSD
1997
Springer
15 years 7 months ago
1997
Springer
Abstract: In many geographical applications there is a need to model spatial phenomena not simply by sharp objects but rather through indeterminate or vague concepts. To support su...
216
Voted
ICDE
1995
IEEE
16 years 5 months ago
1995
IEEE
The model of flexible relations supports heterogeneous sets of tuples in a strongly typed way. The elegance of the standard relational model is preserved by using a single, generi...
95
Voted
CHI
2003
ACM
16 years 4 months ago
2003
ACM
Computer users deal with large amounts of personal media often face problems in managing and exploring it. This paper presents Semantic Regions, rectangular regions that enable us...
183
Voted
VLDB
2007
ACM
16 years 3 months ago
2007
ACM
This paper presents two extensions for XQuery. The first extension allows the definition and processing of different kinds of windows over an input sequence; i.e., tumbling, slidi...
117
Voted
LATA
2010
Springer
16 years 1 months ago
2010
Springer
Timed automata has been used as a powerful formalism for specifying, designing, and analyzing real time systems. We consider the generalization of timed automata to Pushdown Timed ...