305 search results - page 18 / 61 » Including Group-By in Query Optimization |
DMSN
2007
ACM
13 years 11 months ago
2007
ACM
Many sensor network applications monitor continuous phenomena by sampling, and fit time-varying models that capture the phenomena's behaviors. We introduce Pulse, a framework...
SIGMOD
2008
ACM
13 years 7 months ago
2008
ACM
The UQBE is a mashup tool for non-programmers that supports query-by-example (QBE) over a schema made up by the user without knowing the schema of the original sources. Based on a...
EDBTW
2006
Springer
13 years 11 months ago
2006
Springer
Querying live media streams is a challenging problem that becomes an essential requirement in a growing number of applications. We address the problem of evaluating continuous quer...
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
We follow the stack-baaed approach to query languages which is a new formal and intellectual paradigm for integrating querying and programming for object-oriented databases. Queri...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
Virtually all proposals for querying XML include a class of query we term "containment queries". It is also clear that in the foreseeable future, a substantial amount of...