52 search results - page 5 / 11 » Optimization of continuous queries with shared expensive fil... |
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
CIKM
2011
Springer
12 years 8 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...
DCOSS
2009
Springer
14 years 3 months ago
2009
Springer
Wireless sensor networks (WSNs) have been proposed for a large variety of applications. As the number of applications of sensor networks continue to grow, the number of users in se...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
ADC
2009
Springer
14 years 17 days ago
2009
Springer
Efficient XML filtering has been a fundamental technique in recent Web service and XML publish/subscribe applications. In this paper, we consider the problem of filtering a contin...