13987 search results - page 2562 / 2798 » The Two Guards Problem |
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
The deep Web presents a pressing need for integrating large numbers of dynamically evolving data sources. To be more automatic yet accurate in building an integration system, we o...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
VLDB
2008
ACM
14 years 8 months ago
2008
ACM
The evolution of computing technology suggests that it has become more feasible to offer access to Web information in a ubiquitous way, through various kinds of interaction device...
VLDB
2008
ACM
14 years 8 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...