964 search results - page 81 / 193 » Efficiently Ordering Query Plans for Data Integration |
166
click to vote
SIGMOD
2003
ACM
16 years 5 months ago
2003
ACM
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...
242
click to vote
SIGMOD
2008
ACM
16 years 5 months ago
2008
ACM
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
178
Voted
ALENEX
2001
15 years 6 months ago
2001
In nearest neighbor searching we are given a set of n data points in real d-dimensional space, d , and the problem is to preprocess these points into a data structure, so that give...
157
click to vote
LCN
2008
IEEE
15 years 11 months ago
2008
IEEE
—Providing energy-efficient continuous data collection services is of paramount importance to Wireless Sensor Network (WSN) applications. This paper proposes a new power manageme...
164
click to vote
JCIT
2010
14 years 11 months ago
2010
Sequence mining is an important data mining task. In order to retrieve interesting sequences from a large database, a minimum support threshold is needed to be specified. Unfortun...