705 search results - page 72 / 141 » Approximating Extended Answer Sets |
158
click to vote
ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
In this paper we introduce the idea of snapshot queries for energy efficient data acquisition in sensor networks. Network nodes generate models of their surrounding environment th...
139
click to vote
EDBT
2008
ACM
15 years 10 months ago
2008
ACM
Data exchange is the problem of transforming data structured under a schema (called source) into data structured under a different schema (called target). The emphasis of data exc...
KDD
2009
ACM
15 years 10 months ago
2009
ACM
Mining discrete patterns in binary data is important for subsampling, compression, and clustering. We consider rankone binary matrix approximations that identify the dominant patt...
108
click to vote
WISE
2007
Springer
15 years 4 months ago
2007
Springer
We study and present our findings on two closely related problems on xpath rewriting using views when both the view and the query are tree patterns involving /,// and []. First, g...
IDEAS
2003
IEEE
15 years 3 months ago
2003
IEEE
The objective of this paper is to investigate the problems related to the extensional integration of information sources. In particular, we propose an approach for managing incons...