2468 search results - page 98 / 494 » Aggregation operators 2003 |
DOLAP
2005
ACM
13 years 10 months ago
2005
ACM
Data warehouses and OLAP systems help to interactively analyze huge volume of data. This data, extracted from transactional databases, frequently contains spatial information whic...
AMW
2009
13 years 10 months ago
2009
Abstract. A Data Warehouse (DW) is a data repository that organizes and physically integrates data from multiple sources under special kinds of schemas. A DW is composed by a set o...
JCP
2008
13 years 8 months ago
2008
In sensor networks, continuous query is commonly used for collecting periodical data from the objects under monitoring. This sort of queries needs to be carefully designed, in orde...
ICC
2009
IEEE
13 years 6 months ago
2009
IEEE
We propose a comprehensive theoretical framework to evaluate reliability and energy consumption of distributed source coding (DSC) in wireless sensor networks (WSNs) applications. ...
DEXAW
2003
IEEE
14 years 2 months ago
2003
IEEE
This paper describes XenoTrust, the trust management architecture used in the XenoServer Open Platform: a public infrastructure for wide-area computing, capable of hosting tasks t...