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» Challenges in Ubiquitous Data Management
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HIPC
2005
Springer
15 years 10 months ago
Orthogonal Decision Trees for Resource-Constrained Physiological Data Stream Monitoring Using Mobile Devices
Several challenging new applications demand the ability to do data mining on resource constrained devices. One such application is that of monitoring physiological data streams ob...
Haimonti Dutta, Hillol Kargupta, Anupam Joshi
INCDM
2010
Springer
152views Data Mining» more  INCDM 2010»
15 years 8 months ago
The Impact of Experimental Setup on Prepaid Churn Modeling: Data, Population and Outcome Definition
Prepaid customers in mobile telecommunications are not bound by a contract and can therefore change operators (‘churn’) at their convenience and without notification. This make...
Dejan Radosavljevik, Peter van der Putten, Kim Kyl...
CISS
2007
IEEE
15 years 6 months ago
Echo-Cancellation for Ultrasonic Data Transmission through a Metal Channel
– The process control industry has shown great interest in implementation of low cost, low power wireless sensor networks. Such networks are much easier to deploy and reconfigure...
Richard Primerano, Kevin Wanuga, Joseph Dorn, Mosh...
DLOG
2006
15 years 5 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
ISCAPDCS
2004
15 years 5 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