3456 search results - page 573 / 692 » Semantics in Spatial Databases |
SIGMOD
2002
ACM
14 years 8 months ago
2002
ACM
Ontologies in current computer science parlance are computer based resources that represent agreed domain semantics. Unlike data models, the fundamental asset of ontologies is the...
PODS
2004
ACM
14 years 8 months ago
2004
ACM
Continuous queries in a Data Stream Management System (DSMS) rely on time as a basis for windows on streams and for defining a consistent semantics for multiple streams and updata...
EDBT
2006
ACM
14 years 8 months ago
2006
ACM
Traditional content based publish/subscribe (pub/sub) systems allow users to express stateless subscriptions evaluated on individual events. However, many applications such as moni...
EDBT
2008
ACM
14 years 8 months ago
2008
ACM
In the paper we discuss the problem of data integration in a P2P environment. In such setting each peer stores schema of its local data, mappings between the schema and schemas of...
EDBT
2008
ACM
14 years 8 months ago
2008
ACM
The capability to easily find useful services (software applications, software components, scientific computations) becomes increasingly critical in several fields. Current approa...