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» An adaptable security manager for real-time transactions
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VLDB
1998
ACM
116views Database» more  VLDB 1998»
13 years 9 months ago
The Heterogeneity Problem and Middleware Technology: Experiences with and Performance of Database Gateways
In this paper, we present the results that we have obtained by comparing and testing three well-known database middleware solutions. We have analyzed their features related to glo...
Fernando de Ferreira Rezende, Klaudia Hergula
MIDDLEWARE
2004
Springer
13 years 10 months ago
PoliPer: policies for mobile and pervasive environments
The need for sharing is well known in a large number of distributed applications. These applications are difficult to develop either for fully wired or mobile wireless networks. ...
Luís Veiga, Paulo Ferreira
MOBIWAC
2006
ACM
13 years 11 months ago
Calibration-free WLAN location system based on dynamic mapping of signal strength
In this work we present a calibration-free system for locating wireless local area network devices, based on the radio frequency characteristics of such networks. Calibration proc...
Luís Felipe M. de Moraes, Bruno Astuto A. N...
WICON
2008
13 years 6 months ago
SAMPL: a simple aggregation and message passing layer for sensor networks
In recent years, wireless sensor networking has shown great promise in applications ranging from industrial control, environmental monitoring and inventory tracking. Given the res...
Anthony Rowe, Karthik Lakshmanan, Ragunathan Rajku...
SIGMOD
2007
ACM
188views Database» more  SIGMOD 2007»
14 years 5 months ago
Keyword search on relational data streams
Increasing monitoring of transactions, environmental parameters, homeland security, RFID chips and interactions of online users rapidly establishes new data sources and applicatio...
Alexander Markowetz, Yin Yang, Dimitris Papadias