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» A Query Language for Data Access in Ubiquitous Environments
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AAAI
2006
15 years 1 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
SIGMOD
2003
ACM
146views Database» more  SIGMOD 2003»
16 years 17 hour ago
The Piazza peer data management project
A major problem in today's information-driven world is that sharing heterogeneous, semantically rich data is incredibly difficult. Piazza is a peer data management system tha...
Igor Tatarinov, Zachary G. Ives, Jayant Madhavan, ...
ESWS
2010
Springer
15 years 4 months ago
Facet Graphs: Complex Semantic Querying Made Easy
While the Semantic Web is rapidly filling up, appropriate tools for searching it are still at infancy. In this paper we describe an approach that allows humans to access informatio...
Philipp Heim, Thomas Ertl, Jürgen Ziegler
KES
2006
Springer
14 years 11 months ago
Integrated Document Browsing and Data Acquisition for Building Large Ontologies
Named entities (e.g., "Kofi Annan", "Coca-Cola", "Second World War") are ubiquitous in web pages and other types of document and often provide a simpl...
Felix Weigel, Klaus U. Schulz, Levin Brunner, Edua...
CSREAEEE
2006
120views Business» more  CSREAEEE 2006»
15 years 1 months ago
Object Caching Model for Cell Phone Mobile Database
- Inherent limitations of mobile computing environment such as limited bandwidth, limited resourced mobile phones, and instability of wireless environment require summarized mobile...
Khubaib Ahmed Qureshi