239 search results - page 27 / 48 » Performance of Querying Temporal Attributes in Object-Relati... |
IJCSA
2007
13 years 7 months ago
2007
Preference-based queries often referred to as skyline queries play an important role in cooperative query processing. However, their prohibitive result sizes pose a severe challen...
PODS
2006
ACM
14 years 7 months ago
2006
ACM
We study the verification of compositions of Web Service peers which interact asynchronously by exchanging messages. Each peer has access to a local database and reacts to user in...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
SIGMOD
2009
ACM
14 years 2 months ago
2009
ACM
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
HICSS
2008
IEEE
14 years 2 months ago
2008
IEEE
One of the important aspects in digital video applications is spatial and temporal characteristic. A very little progress has been achieved on spatiotemporal modeling of video dat...