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» Query Brokers for Distributed and Flexible Query Evaluation
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SIGMOD
2008
ACM
214views Database» more  SIGMOD 2008»
15 years 12 months ago
A graph method for keyword-based selection of the top-K databases
While database management systems offer a comprehensive solution to data storage, they require deep knowledge of the schema, as well as the data manipulation language, in order to...
Quang Hieu Vu, Beng Chin Ooi, Dimitris Papadias, A...
BNCOD
2008
129views Database» more  BNCOD 2008»
15 years 1 months ago
A Semantics for a Query Language over Sensors, Streams and Relations
Abstract. We introduce a query language over sensors, streams and relations and formally describe its semantics. Although the language was specifically designed for sensor network ...
Christian Y. A. Brenninkmeijer, Ixent Galpin, Alva...
IJCIS
2000
40views more  IJCIS 2000»
14 years 11 months ago
Lessons Learned from Applying AI to the Web
Ontobroker applies Artificial Intelligence techniques to improve access to heterogeneous, distributed and semistructured information sources as they are presented in the World Wid...
Dieter Fensel, Jürgen Angele, Stefan Decker, ...
ICDE
2002
IEEE
204views Database» more  ICDE 2002»
16 years 1 months ago
Approximating a Data Stream for Querying and Estimation: Algorithms and Performance Evaluation
Obtaining fast and good quality approximations to data distributions is a problem of central interest to database management. A variety of popular database applications including,...
Sudipto Guha, Nick Koudas
GC
2004
Springer
15 years 5 months ago
Communities: Concept-Based Querying for Mobile Services
In this paper, we consider semantic service discovery in a global computing environment. We propose creating a dynamic overlay network by grouping together semantically related ser...
Chara Skouteli, Christoforos Panayiotou, George Sa...