202 search results - page 7 / 41 » Exploiting predicate-window semantics over data streams |
ICDE
2009
IEEE
14 years 2 months ago
2009
IEEE
Applications involving analysis of data streams have gained significant popularity and importance. Frequency counting, frequent elements and top-k queries form a class of operato...
SIGMOD
2010
ACM
13 years 6 months ago
2010
ACM
Continuous SPARQL (C-SPARQL) is a new language for continuous queries over streams of RDF data. CSPARQL queries consider windows, i.e., the most recent triples of such streams, ob...
TIME
2007
IEEE
14 years 1 months ago
2007
IEEE
Transaction-time temporal databases and query languages provide a solid framework for analyzing properties of queries over data streams. In this paper we focus on issues connected...
DASFAA
2010
IEEE
14 years 2 months ago
2010
IEEE
Scalable execution of continuous queries over massive data streams often requires splitting input streams into parallel sub-streams over which query operators are executed in paral...
CIKM
2004
Springer
14 years 28 days ago
2004
Springer
We explore join optimizations in the presence of both timebased constraints (sliding windows) and value-based constraints (punctuations). We present the first join solution named...