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SEMWEB
2010
Springer
13 years 3 months ago
Combining Approximation and Relaxation in Semantic Web Path Queries
We develop query relaxation techniques for regular path queries and combine them with query approximation in order to support flexible querying of RDF data when the user lacks know...
Alexandra Poulovassilis, Peter T. Wood
ICDE
2003
IEEE
209views Database» more  ICDE 2003»
14 years 6 months ago
An Evaluation of Regular Path Expressions with Qualifiers against XML Streams
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
Dan Olteanu, François Bry, Tobias Kiesling
IEEECGIV
2006
IEEE
13 years 11 months ago
PathBank: Web-Based Querying and Visualziation of an Integrated Biological Pathway Database
PathBank is a web-based query and visualization system for biological pathways using an integrated pathway database. To address the needs for biologists to visualize and analyze b...
Joshua Wing Kei Ho, Tristan Manwaring, Seok-Hee Ho...
JUCS
2008
138views more  JUCS 2008»
13 years 5 months ago
Schema Mappings and Agents' Actions in P2P Data Integration System
: We propose specification of schema mappings and agents' actions in XML data integration task. We discuss the problem in a highly-dynamic environment consisting of a communit...
Grazyna Brzykcy, Jerzy Bartoszek, Tadeusz Pankowsk...
ICDE
2007
IEEE
145views Database» more  ICDE 2007»
14 years 6 months ago
Rewriting Regular XPath Queries on XML Views
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...
Wenfei Fan, Floris Geerts, Xibei Jia, Anastasios K...