143 search results - page 24 / 29 » Operator placement for in-network stream query processing |
MDM
2007
Springer
14 years 1 months ago
2007
Springer
Several window constructs are usually specified in continuous queries over data streams as a means of limiting the amount of data processed each time and thus providing real-time...
VLDB
1999
ACM
13 years 12 months ago
1999
ACM
We present a pipelining, dynamically usercontrollable reorder operator, for use in dataintensive applications. Allowing the user to reorder the data delivery on the fly increases...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
We propose the study of visibly pushdown automata (Vpa) for processing XML documents. Vpas are pushdown automata where the input determines the stack operation, and XML documents ...
VLDB
2004
ACM
14 years 29 days ago
2004
ACM
We consider the problem of resource sharing when processing large numbers of continuous queries. We specifically address sliding-window aggregates over data streams, an important...
Publication
This paper presents a framework for building and continuously maintaining spatio-temporal histograms (ST-Histograms, for short). ST-Histograms are used for selectivity estimation o...