1146 search results - page 1 / 230 » Semantics of Data Streams and Operators |
ICDT
2005
ACM
13 years 10 months ago
2005
ACM
What does a data stream mean? Much of the extensive work on query operators and query processing for data streams has proceeded without the benefit of an answer to this question. ...
VLDB
2006
ACM
14 years 4 months ago
2006
ACM
CQL, a Continuous Query Language, is supported by the STREAM prototype Data Stream Management System at Stanford. CQL is an expressive SQL-based declarative language for registeri...
EWSN
2006
Springer
14 years 4 months ago
2006
Springer
We present a framework called Semantic Streams that allows users to pose declarative queries over semantic interpretations of sensor data. For example, instead of querying raw magn...
BNCOD
2008
13 years 6 months ago
2008
Abstract. We introduce a query language over sensors, streams and relations and formally describe its semantics. Although the language was specifically designed for sensor network ...
ADBIS
2009
Springer
13 years 11 months ago
2009
Springer
Continuous queries applied over nonterminating data streams usually specify windows in order to obtain an evolving –yet restricted– set of tuples and thus provide timely result...