Sciweavers

2145 search results - page 129 / 429
» Answering Queries Using Views
Sort
View
144
Voted
WECWIS
2008
IEEE
100views ECommerce» more  WECWIS 2008»
15 years 10 months ago
ISENS: A Multi-ontology Query System for the Semantic Deep Web
We present ISENS, a distributed, end-to-end, ontologybased information integration system. In response to a user’s query, our system is capable of retrieving facts from data sou...
Abir Qasem, Dimitre A. Dimitrov, Jeff Heflin
158
Voted
JODS
2006
131views Data Mining» more  JODS 2006»
15 years 3 months ago
Integrating and Exchanging XML Data Using Ontologies
While providing a uniform syntax and a semistructured data model, XML does not express semantics but only structure such as nesting information. In this paper, we consider the prob...
Huiyong Xiao, Isabel F. Cruz
131
Voted
KRDB
2003
137views Database» more  KRDB 2003»
15 years 5 months ago
Focused Search on the Web using WeQueL
Keyword-based web query languages suffer from a lack of precision when searching for a precise kind of documents. Indeed, some documents cannot be simply characterized by a list o...
Amar-Djalil Mezaour
126
Voted
KDD
2010
ACM
214views Data Mining» more  KDD 2010»
15 years 7 months ago
Neighbor query friendly compression of social networks
Compressing social networks can substantially facilitate mining and advanced analysis of large social networks. Preferably, social networks should be compressed in a way that they...
Hossein Maserrat, Jian Pei
144
Voted
EDBT
2009
ACM
175views Database» more  EDBT 2009»
15 years 10 months ago
Towards materialized view selection for distributed databases
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
Leonardo Weiss Ferreira Chaves, Erik Buchmann, Fab...