835 search results - page 48 / 167 » Querying time-series streams |
SIGMOD
2002
ACM
14 years 9 months ago
2002
ACM
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
VLDB
2004
ACM
14 years 3 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 ...
EDBTW
2006
Springer
14 years 1 months ago
2006
Springer
A data stream management system executes a large number of continuous queries in parallel. As stream characteristics and query workload change over time, the plan initially install...
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
Data streaming systems are becoming essential for monitoring applications such as financial analysis and network intrusion detection. These systems often have to process many simi...