Sciweavers

1529 search results - page 19 / 306
» Querying for meta knowledge
Sort
View
ICDT
2011
ACM
242views Database» more  ICDT 2011»
12 years 11 months ago
Knowledge compilation meets database theory: compiling queries to decision diagrams
The goal of Knowledge Compilation is to represent a Boolean expression in a format in which it can answer a range of online-queries in PTIME. The online-query of main interest to ...
Abhay Kumar Jha, Dan Suciu
WEBI
2007
Springer
14 years 1 months ago
Document-Centric Query Answering for the Semantic Web
In this paper, we propose document-centric query answering, a novel form of query answering for the Semantic Web. We discuss how we have built a knowledge base system to support t...
Yuanbo Guo, Jeff Heflin
ISTA
2004
13 years 8 months ago
Query Graph Visualizer: A Collaborative Querying System
: Collaborative querying seeks to help users formulate an accurate query to a search engine by sharing expert knowledge or other users' search experiences. One approach to acc...
Lin Fu, Dion Hoe-Lian Goh, Schubert Shou-Boon Foo,...
WWW
2007
ACM
14 years 8 months ago
Acquiring ontological knowledge from query logs
We present a method for acquiring ontological knowledge using search query logs. We first use query logs to identify important contexts associated with terms belonging to a semant...
Satoshi Sekine, Hisami Suzuki
BDA
2001
13 years 8 months ago
Query-Driven Knowledge Discovery via OLAP manipulations
We study KDD (Knowledge Discovery in Databases) processes on OLAP (multidimensional and multilevel) data from a query point of view. Focusing on association rule mining, we consid...
Jean-François Boulicaut, Patrick Marcel, Ch...