3836 search results - page 71 / 768 » Semantics of Database Transformations |
SDB
1995
14 years 1 months ago
1995
In this paper we discuss two data models for spatial database systems: the linear data model and the topological data model. Both can be used to model a wide range of applications....
VMCAI
2007
Springer
14 years 4 months ago
2007
Springer
Abstract. This paper is concerned with one of the basic problems in abstract interpretation, namely, for a given abstraction and a given set of concrete transformers (that express ...
AO
2005
13 years 10 months ago
2005
Relationships are an integral part of the design of a database. Comparing and integrating relationships from heterogeneous databases requires that the relationships be mapped to ea...
DEXA
2007
Springer
14 years 4 months ago
2007
Springer
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
ICDE
1999
IEEE
14 years 11 months ago
1999
IEEE
Active database management systems have been developed for applications needing an automatic reaction in response to certain events. Events can be simple in nature or complex. Com...