750 search results - page 59 / 150 » Aggregates in Possibilistic Databases |
SIGMOD
2011
ACM
13 years 25 days ago
2011
ACM
We consider extending decision support facilities toward large sophisticated networks, upon which multidimensional attributes are associated with network entities, thereby forming...
SIGMOD
2011
ACM
13 years 25 days ago
2011
ACM
Prior work in differential privacy has produced techniques for answering aggregate queries over sensitive data in a privacypreserving way. These techniques achieve privacy by addi...
DOLAP
2005
ACM
13 years 12 months ago
2005
ACM
Data warehouses and OLAP systems help to interactively analyze huge volume of data. This data, extracted from transactional databases, frequently contains spatial information whic...
ADC
1994
Springer
14 years 2 months ago
1994
Springer
We present a proposed query language for extended entity relationship schemas. The language improves on previous proposals by using only concepts explicitly in a given schema. It ...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
This paper describes query processing in the DBO database system. Like other database systems designed for ad-hoc, analytic processing, DBO is able to compute the exact answer to ...