17983 search results - page 3248 / 3597 » Set Types and Applications |
170
click to vote
PODS
2002
ACM
16 years 6 months ago
2002
ACM
In multidimensional data models intended for online analytic processing (OLAP), data are viewed as points in a multidimensional space. Each dimension has structure, described by a...
153
click to vote
PODS
2006
ACM
16 years 6 months ago
2006
ACM
Data exchange deals with inserting data from one database into another database having a different schema. We study and solve a central computational problem of data exchange, nam...
187
click to vote
WSDM
2010
ACM
16 years 3 months ago
2010
ACM
We consider a set of views stating possibly conflicting facts. Negative facts in the views may come, e.g., from functional dependencies in the underlying database schema. We want ...
172
click to vote
WSDM
2010
ACM
16 years 3 months ago
2010
ACM
Activity in social media such as blogs, micro-blogs, social networks, etc is manifested via interaction that involves text, images, links and other information items. Naturally, s...
179
click to vote
ICDT
2010
ACM
16 years 3 months ago
2010
ACM
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...