108 search results - page 4 / 22 » Effective Navigation of Query Results Based on Concept Hiera... |
BNCOD
2003
13 years 10 months ago
2003
In this paper we describe a query paradigm based on ontologies, aggregate table-driven querying and expansion of QBE. It has two novel features: visually specifying aggregate table...
DEXAW
2000
IEEE
14 years 1 months ago
2000
IEEE
Given their simple nature, the success of keyword based retrieval systems is astonishing. Although these methods seemingly only process words (and their word counts), they rely on...
CIKM
2004
Springer
14 years 1 months ago
2004
Springer
As the number of available Web pages grows, users experience increasing difficulty finding documents relevant to their interests. One of the underlying reasons for this is that mo...
DOLAP
2003
ACM
14 years 1 months ago
2003
ACM
Data warehouse and Online Analytical Processing(OLAP) play a key role in business intelligent systems. With the increasing amount of spatial data stored in business database, how ...
ICDE
2010
IEEE
14 years 8 months ago
2010
IEEE
Given a positive value r, a circular range query returns the objects that lie within the distance r of the query location. In this paper, we study the circular range queries that c...