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Now showing items 31-40 of 52
Approximating vehicle dispatch probabilities for emergency service systems with location-specific service times and multiple units per location
(Informs, 2009-02)
To calculate many of the important performance measures for an emergency response system, one requires knowledge of the probability that a particular server will respond to an incoming call at a particular location. ...
A Lagrangian relaxation approach to large-scale flow interception problems
(Elsevier, 2009-10-16)
The paper presents a tight Lagrangian bound and an efficient dual heuristic for the flow interception problem. The proposed Lagrangian relaxation decomposes the problem into two subproblems that are easy to solve. Information ...
Winners and losers in a major price war
(American Marketing Association, 2008-10)
Although retail price wars have received much business press and some research attention, it is unclear how they affect consumer purchase behavior. This article studies an unprecedented price war in Dutch grocery retailing ...
Online social capital : understanding e-impulse buying in practice
(Elsevier, 2009-07)
Socially constructed marketing imageries (e.g. e-atmospherics) help consumers while making choices and decisions. Still, human and retailing technology interactions are rarely evaluated from a social practice perspective. ...
Improving the performance of wireless H.264 video broadcasting through a cross-layer design
(IEEE, 2009)
In a wireless video broadcasting service, number of users receiving the service and the average video quality of the received stream have to be maximized for improving the system performance. To solve this problem optimally, ...
Social e-atmospherics in practice (or not): a French and Turkish web designers’ perspectives
(2009)
Little is known about the development of social e- atmospherics. And yet, e-atmospherics havemotivated an emerging body of research which reports that both better layouts and‘recognized’ atmospherics encourage consumers ...
An actor-network theory (ANT) approach: analysis of Turkish e-government gateway initiative
(2009)
There are various models proposed in the literature to analyze trajectories of e-Government projects in terms of success and failure. Yet, only the Actor-Network Theory (ANT) perspective (Heeks and Stanforth, 2007) considers ...
Optimal ambulance location with random delays and travel times
(Springer Science+Business Media, 2008-09)
We describe an ambulance location optimization model that minimizes the number of ambulances needed tonprovide a specified service level. The model measures service level as the fraction of calls reached within a given ...
Computational comparison of five maximal covering models for locating ambulances
(Wiley, 2009-01)
This article categorizes existing maximum coverage optimization models for locatingambulances based on whether the models incorporate uncertainty about (1) ambulanceavailability and (2) response times. Data from Edmonton, ...
Mechanical and wear properties of ultrafine-grained pure Ti produced by multi-pass equal-channel angular extrusion
(Elsevier, 2009-08-20)
In this study, pure grade 2 Ti was processed via equal-channel angular extrusion (ECAE) for 8 and 12 passes following route-E at 300 °C. After processing, the microstructural evolution, tensile properties and wear behavior ...
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