750 search results - page 75 / 150 » Aggregates in Possibilistic Databases |
VLDB
1987
ACM
14 years 1 months ago
1987
ACM
The design of the POSTGRES data model is described. The data model is a relational model that has been extended with abstract data types including user-defined operators and proce...
ASUNAM
2010
IEEE
13 years 10 months ago
2010
IEEE
—One of the most interesting and still not completely understood phenomena happening in Social Network Sites is their ability to spread (or not) units of information which may ag...
SIGIR
1996
ACM
14 years 2 months ago
1996
ACM
The aggregated structure of documents plays a key role in full-text, multimedia, and network Information Retrieval (IR). Considering aggregation provides new querying facilities a...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Aggregation is among the core functionalities of OLAP systems. Frequently, such queries are issued in decision support systems to identify interesting groups of data. When more tha...
KDD
2004
ACM
14 years 10 months ago
2004
ACM
Data cube pre-computation is an important concept for supporting OLAP(Online Analytical Processing) and has been studied extensively. It is often not feasible to compute a complet...