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VLDB
1999
ACM
97views Database» more  VLDB 1999»
15 years 10 months ago
Relational Databases for Querying XML Documents: Limitations and Opportunities
XML is fast emerging as the dominant standard for representing data in the World Wide Web. Sophisticated query engines that allow users to effectively tap the data stored in XML d...
Jayavel Shanmugasundaram, Kristin Tufte, Chun Zhan...
AAAI
2006
15 years 8 months ago
Characterizing Data Complexity for Conjunctive Query Answering in Expressive Description Logics
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
PPDP
2010
Springer
15 years 5 months ago
Graph queries through datalog optimizations
This paperdescribes the use of a powerful graph query language for querying programs, and a novel combination of transformations for generating efficient implementations of the q...
K. Tuncay Tekle, Michael Gorbovitski, Yanhong A. L...
OTM
2007
Springer
16 years 21 days ago
Fuzzy-DL Reasoning over Unknown Fuzzy Degrees
In this paper we describe a fuzzy Description Logic reasoner which implements resolution in order to provide reasoning services for expressive fuzzy DLs. The main innovation of thi...
Stasinos Konstantopoulos, Georgios Apostolikas
CCIA
2005
Springer
16 years 20 hour ago
Automatic discovery of synonyms and lexicalizations from the Web
The search of Web resources is a very important topic due to the huge amount of valuable information available in the WWW. Standard search engines can be a great help but they are ...
David Sánchez, Antonio Moreno