542 search results - page 97 / 109 » An Effective SPARQL Support over Relational Databases |
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Given a record set D and a query score function F, a top-k query returns k records from D, whose values of function F on their attributes are the highest. In this paper, we investi...
KDD
2008
ACM
14 years 9 months ago
2008
ACM
This work introduces a new family of link-based dissimilarity measures between nodes of a weighted directed graph. This measure, called the randomized shortest-path (RSP) dissimil...
ER
2007
Springer
14 years 2 months ago
2007
Springer
There are a number of issues for information systems which are required to collect data urgently that are not well accommodated by current conceptual modelling methodologies and a...
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
The standard SQL assumes that the users are aware of all tables and their schemas to write queries. This assumption may be valid when the users deal with a relatively small number...
ADBIS
2010
Springer
13 years 10 months ago
2010
Springer
Cardinal directions have turned out to be very important qualitative spatial relations due to their numerous applications in spatial wayfinding, GIS, qualitative spatial reasoning ...