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» A Query Language for Data Access in Ubiquitous Environments
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IJSWIS
2008
117views more  IJSWIS 2008»
14 years 9 months ago
Semantic Web Services and Mobile Agents Integration for Efficient Mobile Services
The requirement for ubiquitous service access in wireless environments presents a great challenge in light of well known problems like high error rate and frequent disconnections....
Vasileios Baousis, Vassilis Spiliopoulos, Elias Za...
ISCAPDCS
2004
14 years 11 months ago
Location Based Access to Moving Data Sources
Location based services in mobile environments have been recognized as a challenging problem that calls for new service models and dynamic strategies. The problem becomes even har...
Shiow-yang Wu, Wei-chung Ko
KDD
1997
ACM
128views Data Mining» more  KDD 1997»
15 years 1 months ago
An Interactive Visualization Environment for Data Exploration
Exploratory data analysis is a process of sifting through data in search of interesting information or patterns. Analysts’ current tools for exploring data include database mana...
Mark Derthick, John Kolojejchick, Steven F. Roth
112
Voted
DLOG
2006
14 years 11 months ago
Data Complexity of Answering Unions of Conjunctive Queries in SHIQ
The novel context of accessing and querying large data repositories through ontologies that are formalized in terms of expressive DLs requires on the one hand to consider query an...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
GIS
2002
ACM
14 years 9 months ago
Metadata modeling in a global computing environment
Emerging computational paradigms such as global and ubiquitous computing require some rethinking and innovative research ideas in many computer science areas. In this work, we aim...
Dieter Pfoser, Evaggelia Pitoura, Nectaria Tryfona