295 search results - page 18 / 59 » Time-Stamp Management and Query Execution in Data Stream Man... |
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present Con...
DMSN
2010
ACM
13 years 5 months ago
2010
ACM
Complex event processing (CEP) has become increasingly important for tracking and monitoring applications ranging from health care, supply chain management to surveillance. These ...
CIKM
2011
Springer
12 years 7 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...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Many algorithms have been proposed to approximate holistic aggregates, such as quantiles and heavy hitters, over data streams. However, little work has been done to explore what t...
SIGMOD
1995
ACM
13 years 11 months ago
1995
ACM
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...