412 search results - page 52 / 83 » Aggregate queries over ontologies |
CORR
2011
Springer
13 years 5 months ago
2011
Springer
Contemporary use of the term ’intension’ derives from the traditional logical doctrine that an idea has both an extension and an intension. In this paper we introduce an intens...
CIMCA
2005
IEEE
14 years 3 months ago
2005
IEEE
In Internet marketing, Web audience analysis is essential to understanding the visitors’ needs. However, the existing analysis tools fail to deliver summarized and conceptual me...
DEBS
2008
ACM
14 years 17 hour ago
2008
ACM
This paper defines and discusses the implementation of two novel extensions to the Siena Content-based Network (CBN) to extend it to become a Knowledge-based Network (KBN) thereby...
SIGMOD
2010
ACM
14 years 3 months ago
2010
ACM
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...