777 search results - page 137 / 156 » Optimization of Relational Preference Queries |
PVLDB
2010
13 years 6 months ago
2010
Violations of functional dependencies (FDs) are common in practice, often arising in the context of data integration or Web data extraction. Resolving these violations is known to...
JMLR
2010
13 years 2 months ago
2010
We study the standard retrieval task of ranking a fixed set of items given a previously unseen query and pose it as the half transductive ranking problem. The task is transductive...
IACR
2011
12 years 7 months ago
2011
We consider the family of 2n-to-n-bit compression functions that are solely based on at most three permutation executions and on XOR-operators, and analyze its collision and preima...
VLDB
2004
ACM
14 years 7 months ago
2004
ACM
In-network aggregation has been proposed as one method for reducing energy consumption in sensor networks. In this paper, we explore two ideas related to further reducing energy co...
KCAP
2009
ACM
14 years 2 months ago
2009
ACM
This demo presents the Cupboard online system for sharing and reusing ontologies linked together with alignments, and that are attached to rich metadata and reviews. Categories an...