Sciweavers

686 search results - page 24 / 138
» Query Answering in Peer-to-Peer Data Exchange Systems
Sort
View
SIGMOD
2002
ACM
188views Database» more  SIGMOD 2002»
15 years 9 months ago
COMMIX: towards effective web information extraction, integration and query answering
As WWW becomes more and more popular and powerful, how to search information on the web in database way becomes an important research topic. COMMIX, which is developed in the DB g...
Tengjiao Wang, Shiwei Tang, Dongqing Yang, Jun Gao...
SIGMOD
2006
ACM
109views Database» more  SIGMOD 2006»
15 years 9 months ago
OMCAT: optimal maintenance of continuous queries' answers for trajectories
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...
Hui Ding, Goce Trajcevski, Peter Scheuermann
KCAP
2009
ACM
15 years 2 months ago
Cross ontology query answering on the semantic web: an initial evaluation
PowerAqua1 is a Question Answering system, which takes as input a natural language query and is able to return answers drawn from relevant semantic resources found anywhere on the...
Vanessa Lopez, Victoria S. Uren, Marta Sabou, Enri...
ICC
2007
IEEE
199views Communications» more  ICC 2007»
15 years 3 months ago
7DS - Node Cooperation and Information Exchange in Mostly Disconnected Networks
— When the node density in a network decreases below the level necessary to sustain ad-hoc and mesh networks, communication can succeed only by leveraging node mobility and trans...
Suman Srinivasan, Arezu Moghadam, Se Gi Hong, Henn...
IJCAI
2003
14 years 11 months ago
Querying Distributed Data through Distributed Ontologies: A Simple but Scalable Approach
In this paper, we define a simple but scalable framework for peer-to-peer data sharing systems, in which the problem of answering queries over a network of semantically related p...
François Goasdoué, Marie-Christine R...