1382 search results - page 245 / 277 » Term ordering problem on MDG |
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...
SIGMOD
2008
ACM
14 years 11 months ago
2008
ACM
A major problem in detecting events in streams of data is that the data can be imprecise (e.g. RFID data). However, current state-ofthe-art event detection systems such as Cayuga ...
SIGMOD
2007
ACM
14 years 11 months ago
2007
ACM
Graphs are prevalently used to model the relationships between objects in various domains. With the increasing usage of graph databases, it has become more and more demanding to e...
SIGMOD
2007
ACM
14 years 11 months ago
2007
ACM
Sensor networks are widely used in many applications for collecting information from the physical environment. In these applications, it is usually necessary to track the relation...
PODS
2007
ACM
14 years 11 months ago
2007
ACM
We consider the problem of optimizing and executing multiple continuous queries, where each query is a conjunction of filters and each filter may occur in multiple queries. When f...