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ALGORITHMICA
1998
118views more  ALGORITHMICA 1998»
14 years 5 days ago
On the Analysis of Linear Probing Hashing
Abstract. This paper presents moment analyses and characterizations of limit distributions for the construction cost of hash tables under the linear probing strategy. Two models ar...
Philippe Flajolet, Patricio V. Poblete, Alfredo Vi...
MP
2006
107views more  MP 2006»
14 years 12 days ago
Optimality conditions in portfolio analysis with general deviation measures
Optimality conditions are derived for problems of minimizing a general measure of deviation of a random variable, with special attention to situations where the random variable cou...
R. Tyrrell Rockafellar, Stan Uryasev, Michael Zaba...
MCS
2006
Springer
14 years 12 days ago
On the advantages of non-cooperative behavior in agent populations
We investigate the amount of cooperation between agents in a population during reward collection that is required to minimize the overall collection time. In our computer simulati...
Alexander Pudmenzky
JCM
2008
94views more  JCM 2008»
14 years 13 days ago
Cell Site Power Characterization for Multi-rate Wireless CDMA Data Networks Using Lognormal Approximation
An analytical model is developed to solve the power-rate assignment problem for multi-rate CDMA systems and calculate the probability density function (PDF) for the downlink traffi...
Ashraf S. Hasan Mahmoud
ALGOSENSORS
2008
Springer
14 years 2 months ago
Probabilistic Protocols for Fair Communication in Wireless Sensor Networks
In this work we present three new distributed, probabilistic data propagation protocols for Wireless Sensor Networks which aim at maximizing the network's operational life and...
Ioannis Chatzigiannakis, Lefteris M. Kirousis, Tho...
GLOBECOM
2007
IEEE
14 years 4 months ago
Optimal Configuration of 802.11e EDCA Under Voice Traffic
In this paper we first present a model to analyze the average and standard deviation of the delay in a 802.11e EDCA WLAN under voice traffic. Next, based on this model, we compute ...
Pablo Serrano, Albert Banchs, José Fé...
SIGIR
2003
ACM
14 years 5 months ago
Statistical visual feature indexes in video retrieval
Four statistical visual feature indexes are proposed: SLM (Shot Length Mean), the average length of each shot in a video; SLD (Shot Length Deviation), the standard deviation of sh...
Xiangming Mu, Gary Marchionini
ISM
2008
IEEE
108views Multimedia» more  ISM 2008»
14 years 6 months ago
Optimization of Content-Based Image Retrieval Functions
Feature extraction and similarity measurement are two important operations in content-based image retrieval systems. We optimize and vectorize typical feature extraction algorithm...
Asadollah Shahbahrami, Ben H. H. Juurlink