We discuss the design of an acquisitional query processor for data collection in sensor networks. Acquisitional issues are those that pertain to where, when, and how often data is...
Samuel Madden, Michael J. Franklin, Joseph M. Hell...
— Currently, context awareness is one of the main trends in distributed mobile computing environments. Against this background, the demand for more complex – and additionally l...
Christian P. Kunze, Sonja Zaplata, Winfried Lamers...
The tremendous increase in the use of cellular phones, GPS-like devices, and RFIDs results in highly dynamic environments where objects as well as queries are continuously moving. ...
Mohamed F. Mokbel, Xiaopeng Xiong, Moustafa A. Ham...
— XML stream applications bring the challenge of efficiently processing queries on sequentially accessible tokenbased data. For efficient processing of queries, we need to ensu...
Mingzhu Wei, Ming Li, Elke A. Rundensteiner, Mural...
Context information is one of the most important data coming from mobile devices to add a value for the application execution. This paper introduces a context dissemination middle...
Guido Gehlen, Fahad Aijaz, Muhammad Sajjad, Bernha...