Sciweavers

79 search results - page 11 / 16
» Data Surveying: Foundations of an Inductive Query Language
Sort
View
GEOS
2005
Springer
14 years 1 months ago
Ontology Matching for Spatial Data Retrieval from Internet Portals
This paper analyses reported difficulties in spatial data retrieval from Internet portals, based on results from an empirical survey. The analysis reveals the problems which cause ...
Hartwig H. Hochmair
SEMCO
2009
IEEE
14 years 2 months ago
An Algebraic Language for Semantic Data Integration on the Hidden Web
Semantic integration in the hidden Web is an emerging area of research where traditional assumptions do not always hold. Frequent changes, conflicts and the sheer size of the hid...
Shazzad Hosain, Hasan M. Jamil
FUIN
2000
109views more  FUIN 2000»
13 years 7 months ago
Building Knowledge Scouts Using KGL Metalanguage
Knowledge scouts are software agents that autonomously search for and synthesize user-oriented knowledge (target knowledge) in large local or distributed databases. A knowledge ge...
Ryszard S. Michalski, Kenneth A. Kaufman
AAAI
2006
13 years 9 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
EDBTW
2004
Springer
14 years 27 days ago
XML Query Processing and Optimization
—Over the past few years, XML (eXtensible Mark-up Language) has emerged as the standard for information representation and data exchange over the Internet. This paper provides a ...
Ning Zhang 0002