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Institution

University of Arkansas

EducationFayetteville, Arkansas, United States
About: University of Arkansas is a education organization based out in Fayetteville, Arkansas, United States. It is known for research contribution in the topics: Population & Poison control. The organization has 17225 authors who have published 33329 publications receiving 941102 citations. The organization is also known as: Arkansas & UA.


Papers
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Journal ArticleDOI
TL;DR: The SPI film incorporated with the combined GSE, nisin, and EDTA demonstrated the greatest inhibitory activity against Listeria monocytogenes, which has potential applications to maintain shelf life, and improve safety of ready-to-eat food products.

288 citations

Journal ArticleDOI
TL;DR: The concept of energy cooperation is introduced, where a user wirelessly transmits a portion of its energy to another energy harvesting user, which enables shaping and optimization of the energy arrivals at the energy-receiving node, and improves the overall system performance, despite the loss incurred in energy transfer.
Abstract: In energy harvesting communications, users transmit messages using energy harvested from nature during the course of communication. With an optimum transmit policy, the performance of the system depends only on the energy arrival profiles. In this paper, we introduce the concept of energy cooperation, where a user wirelessly transmits a portion of its energy to another energy harvesting user. This enables shaping and optimization of the energy arrivals at the energy-receiving node, and improves the overall system performance, despite the loss incurred in energy transfer. We consider several basic multi-user network structures with energy harvesting and wireless energy transfer capabilities: relay channel, two-way channel and multiple access channel. We determine energy management policies that maximize the system throughput within a given duration using a Lagrangian formulation and the resulting KKT optimality conditions. We develop a two-dimensional directional water-filling algorithm which optimally controls the flow of harvested energy in two dimensions: in time (from past to future) and among users (from energy-transferring to energy-receiving) and show that a generalized version of this algorithm achieves the boundary of the capacity region of the two-way channel.

288 citations

Journal ArticleDOI
TL;DR: An adaptive LS starting strategy is proposed by utilizing the proposed quasi-entropy index to address its key issue, i.e., when to start LS.
Abstract: A comprehensive learning particle swarm optimizer (CLPSO) embedded with local search (LS) is proposed to pursue higher optimization performance by taking the advantages of CLPSO’s strong global search capability and LS’s fast convergence ability. This paper proposes an adaptive LS starting strategy by utilizing our proposed quasi-entropy index to address its key issue, i.e., when to start LS. The changes of the index as the optimization proceeds are analyzed in theory and via numerical tests. The proposed algorithm is tested on multimodal benchmark functions. Parameter sensitivity analysis is performed to demonstrate its robustness. The comparison results reveal overall higher convergence rate and accuracy than those of CLPSO, state-of-the-art particle swarm optimization variants.

288 citations

Journal ArticleDOI
TL;DR: A theoretical model for predicting purchase behavior in electronic channels suggests that website use (i.e., technology use), a key indicator of the degree to which a site is sticky, is a significant antecedent of purchase behavior.
Abstract: We develop a theoretical model for predicting purchase behavior in electronic channels. The model suggests that website use (i.e., technology use), a key indicator of the degree to which a site is sticky, is a significant antecedent of purchase behavior. Furthermore, we relate the usability of a website to use behavior and purchase behavior. Specifically, individual characteristics and product type are argued to differentially influence the weights that customers place on five different categories of usability. The weighted ratings of the five categories together determine use behavior and purchase behavior, after controlling for purchase need, experience with similar sites, and previous purchase on the specific sites. The model was tested in a longitudinal field study among 757 customers who provided usability assessments for multiple websites from four different industriesi.e., airlines, online bookstores, automobile manufacturers, and car rental agencies. Six months later, 370 of these individuals provided responses to help understand the transition from visitor to customer, i.e., whether they actually transacted with a specific website. Results provided strong support for the model and yield important theoretical and practical implications.

287 citations

Journal ArticleDOI
TL;DR: From the results, organizations may be able to develop realistic training programs for IT professionals and managers and incorporate deterrent and preventive measures that can curb the rising tide of undesired misuse.

287 citations


Authors

Showing all 17387 results

NameH-indexPapersCitations
Robert M. Califf1961561167961
Hugh A. Sampson14781676492
Stephen Boyd138822151205
Nikhil C. Munshi13490667349
Jian-Guo Bian128121980964
Bart Barlogie12677957803
Robert R. Wolfe12456654000
Daniel B. Mark12457678385
E. Magnus Ohman12462268976
Benoît Roux12049362215
Robert C. Haddon11257752712
Rodney J. Bartlett10970056154
Baoshan Xing10982348944
Gareth J. Morgan109101952957
Josep Dalmau10856849331
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
202380
2022243
20211,973
20201,889
20191,736
20181,636