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SIGMOD
2010
ACM
154views Database» more  SIGMOD 2010»
15 years 6 months ago
Unbiased estimation of size and other aggregates over hidden web databases
Many websites provide restrictive form-like interfaces which allow users to execute search queries on the underlying hidden databases. In this paper, we consider the problem of es...
Arjun Dasgupta, Xin Jin, Bradley Jewell, Nan Zhang...
COR
2008
112views more  COR 2008»
15 years 6 months ago
Buffer allocation in general single-server queueing networks
-- The optimal buffer allocation in queueing network systems is a difficult stochastic, non-linear, integer mathematical programming problem. Moreover, the objective function, the ...
Frederico R. B. Cruz, A. R. Duarte, Tom Van Woense...
ADHOC
2006
144views more  ADHOC 2006»
15 years 6 months ago
The integration of ad hoc sensor and cellular networks for multi-class data transmission
This paper targets mobile telemedicine applications that can be supported using third generation (3G) cellular networks, to provide highly flexible medical services. On the other ...
Fei Hu, Sunil Kumar
IOR
2006
75views more  IOR 2006»
15 years 6 months ago
Sensitivity of Performance in the Erlang-A Queueing Model to Changes in the Model Parameters
This paper studies the M/M/s+M queue, i.e., the M/M/s queue with customer abandonment, also called the Erlang-A model, having independent and identically distributed customer aban...
Ward Whitt
ITSSA
2006
90views more  ITSSA 2006»
15 years 6 months ago
The UbiMedic Framework to Support Medical Emergencies by Ubiquitous Computing
: This paper investigates the feasibility of employing the Software Agent technology in the highly dynamic and variable context of healthcare emergency coordination and decision-su...
Francesco De Mola, Giacomo Cabri, Nicola Muratori,...