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» Structured Querying of Web Text Data: A Technical Challenge
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ESWS
2011
Springer
12 years 11 months ago
FedX: A Federation Layer for Distributed Query Processing on Linked Open Data
Driven by the success of the Linked Open Data initiative today’s Semantic Web is best characterized as a Web of interlinked datasets. Hand in hand with this structure new challen...
Andreas Schwarte, Peter Haase, Katja Hose, Ralf Sc...
AAAI
2006
13 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
BTW
2009
Springer
150views Database» more  BTW 2009»
13 years 10 months ago
The Frontiers of Data Programmability
: Simplifying data programming is a core mission of data management research. The issue at stake is to help engineers build efficient and robust data-centric applications. The fron...
Sergey Melnik
CIDR
2009
129views Algorithms» more  CIDR 2009»
13 years 8 months ago
Extracting and Querying a Comprehensive Web Database
Recent research in domain-independent information extraction holds the promise of an automatically-constructed structured database derived from the Web. A query system based on th...
Michael J. Cafarella
CIDR
2003
125views Algorithms» more  CIDR 2003»
13 years 8 months ago
Crossing the Structure Chasm
It has frequently been observed that most of the world’s data lies outside database systems. The reason is that database systems focus on structured data, leaving the unstructur...
Alon Y. Halevy, Oren Etzioni, AnHai Doan, Zachary ...