3935 search results - page 278 / 787 » Database Support for Hypertext |
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
We present HERMES, a prototype system based on a powerful query language for trajectory databases, which enables the support of aggregative Location-Based Services (LBS). The key ...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Mashup Feeds is a system that supports integrated web service feeds as continuous queries. We introduce collectionbased stream processing semantics to enable information extractio...
PODS
2004
ACM
14 years 8 months ago
2004
ACM
The problem of deciding query containment has important applications in classical query optimization and heterogeneous database systems. Query containment is undecidable for unres...
CIS
2004
Springer
14 years 1 months ago
2004
Springer
Scientific bibliographies in online databases provide a rich source of information for scientists in support of their research. In this paper, we propose a new method to predict po...
DEXA
2004
Springer
14 years 1 months ago
2004
Springer
One of the key research issues with moving objects databases (MOD) is the uncertainty management problem. In this paper, we discuss how the uncertainty of network constrained movin...