176 search results - page 18 / 36 » Answering aggregate queries in data exchange |
ESORICS
2009
Springer
14 years 10 months ago
2009
Springer
Authenticated dictionaries allow users to send lookup requests to an untrusted server and get authenticated answers. Persistent authenticated dictionaries (PADs) add queries agains...
DASFAA
2003
IEEE
14 years 3 months ago
2003
IEEE
Data warehouses are of crucial importance to decision-making in competitive organizations. The fact that they store enormous quantities of data is a challenge in what concerns per...
AIM
2004
13 years 9 months ago
2004
Reasoning about spatial data is a key task in many applications, including geographic information systems, meteorological and fluid flow analysis, computer-aided design, and prote...
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...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...