Sciweavers

8220 search results - page 319 / 1644
» Querying XML Data
Sort
View
ESWS
2010
Springer
15 years 5 months ago
Modeling and Querying Metadata in the Semantic Sensor Web: The Model stRDF and the Query Language stSPARQL
Abstract. RDF will often be the metadata model of choice in the Semantic Sensor Web. However, RDF can only represent thematic metadata and needs to be extended if we want to model ...
Manolis Koubarakis, Kostis Kyzirakos
ICDE
2011
IEEE
234views Database» more  ICDE 2011»
14 years 10 months ago
Massively parallel XML twig filtering using dynamic programming on FPGAs
Abstract— In recent years, XML-based Publish-Subscribe Systems have become popular due to the increased demand of timely event-notification. Users (or subscribers) pose complex ...
Roger Moussalli, Mariam Salloum, Walid A. Najjar, ...
TKDE
2008
234views more  TKDE 2008»
15 years 6 months ago
Probabilistic Group Nearest Neighbor Queries in Uncertain Databases
The importance of query processing over uncertain data has recently arisen due to its wide usage in many real-world applications. In the context of uncertain databases, previous wo...
Xiang Lian, Lei Chen 0002
JSS
2008
83views more  JSS 2008»
15 years 6 months ago
XML-based agent communication, migration and computation in mobile agent systems
This article presents the research work that exploits using XML (Extensible Markup Language) to represent different types of information in mobile agent systems, including agent c...
Bo Chen, David D. Linz, Harry H. Cheng
ICDE
2008
IEEE
188views Database» more  ICDE 2008»
16 years 8 months ago
Efficient Aggregate Computation over Data Streams
Abstract-- Cisco's NetFlow Collector (NFC) is a powerful example of a real-world product that supports multiple aggregate queries over a continuous stream of IP flow records. ...
Kanthi Nagaraj, K. V. M. Naidu, Rajeev Rastogi, Sc...