540 search results - page 34 / 108 » Continuous Queries over Data Streams |
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
We study the fundamental limitations of relational algebra (RA) and SQL in supporting sequence and stream queries, and present effective query language and data model enrichments ...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
Traditional databases store sets of relatively static records with no pre-defined notion of time, unless timestamp attributes are explicitly added. While this model adequately rep...
SDM
2009
SIAM
14 years 5 months ago
2009
SIAM
Data stream analysis frequently relies on identifying correlations and posing conditional queries on the data after it has been seen. Correlated aggregates form an important examp...
CIDR
2007
13 years 9 months ago
2007
In this paper, we investigate the benefits and challenges of integrating history into a near-real-time monitoring system; and present a general purpose continuous monitoring engi...
COMAD
2009
13 years 8 months ago
2009
XML stream querying problem involves evaluating a given, potentially large, set of query expressions on a continuous stream of XML messages. Since the messages arrive continuously...