189 search results - page 35 / 38 » Translating and Optimizing SQL Queries Having Aggregates |
MOBISYS
2007
ACM
14 years 7 months ago
2007
ACM
The ease of deployment of battery-powered and mobile systems is pushing the network edge far from powered infrastructures. A primary challenge in building untethered systems is of...
ICDE
2002
IEEE
14 years 9 months ago
2002
IEEE
Besides being adopted as the new interchange format for the Internet, XML is finding increasing acceptance as a native data repository language. In order to make XML repositories ...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
In distributed stream processing environments, large numbers of continuous queries are distributed onto multiple servers. When one or more of these servers become overloaded due t...
PODS
2002
ACM
14 years 7 months ago
2002
ACM
Data Warehousing and OLAPapplications typically view data as having multiple logical dimensions e.g., product, location with natural hierarchies de ned on each dimension. OLAP que...
AINA
2006
IEEE
14 years 1 months ago
2006
IEEE
In query-based wireless sensor networks (WSNs), the system must perform data sensing and retrieval and possibly aggregate data as a response at runtime. Since a WSN is often deplo...