278 search results - page 55 / 56 » Model Management and Schema Mappings: Theory and Practice |
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
LOCA
2005
Springer
14 years 11 days ago
2005
Springer
Abstract. There is increasing interest in location-aware systems and applications. It is important for any designer of such systems and applications to understand the nature of use...
KDD
2007
ACM
14 years 7 months ago
2007
ACM
In this paper, we introduce and study the Minimum Consistent Subset Cover (MCSC) problem. Given a finite ground set X and a constraint t, find the minimum number of consistent sub...
WISTP
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. For ubiquitous communication self-organising adhoc networks become more and more important. We consider mobile phones as appropriate secure gateways to provide access to ...
SDB
1995
13 years 10 months ago
1995
Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...