43 search results - page 6 / 9 » Authenticated Index Structures for Aggregation Queries |
ICDE
2001
IEEE
14 years 9 months ago
2001
IEEE
We consider the problems of computing aggregation queries in temporal databases, and of maintaining materialized temporal aggregate views efficiently. The latter problem is partic...
DOLAP
2005
ACM
13 years 9 months ago
2005
ACM
Online Analytical Processing is a powerful framework for the analysis of organizational data. OLAP is often supported by a logical structure known as a data cube, a multidimension...
WWW
2006
ACM
14 years 8 months ago
2006
ACM
We introduce a new, powerful class of text proximity queries: find an instance of a given "answer type" (person, place, distance) near "selector" tokens matchi...
SIGMOD
1998
ACM
13 years 11 months ago
1998
ACM
Databases are increasingly being used to store multi-media objects such as maps, images, audio and video. Storage and retrieval of these objects is accomplished using multi-dimens...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
We study processing and authentication of long-running queries on outsourced data streams. In this scenario, a data owner (DO) constantly transmits its data to a service provider ...