750 search results - page 143 / 150 » Aggregates in Possibilistic Databases |
VLDB
2000
ACM
14 years 1 months ago
2000
ACM
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...
EDBT
2010
ACM
14 years 1 months ago
2010
ACM
Online Analytical Processing (OLAP) is a popular technique for explorative data analysis. Usually, a fixed set of dimensions (such as time, place, etc.) is used to explore and ana...
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
Query logs record the queries and the actions of the users of search engines, and as such they contain valuable information about the interests, the preferences, and the behavior ...
DBSEC
2004
13 years 11 months ago
2004
A sequence of queries submitted by a database user within a short period of time may have a single, illuminating explanation. In this paper we consider sequences of single-record q...
ICFP
2010
ACM
13 years 11 months ago
2010
ACM
We want assurances that sensitive information will not be disclosed when aggregate data derived from a database is published. Differential privacy offers a strong statistical guar...