Planning and optimization of intermodal hub-and-spoke network under mixed uncertainty

This paper addresses the planning and optimization of intermodal hub-and-spoke (IH&S) network considering mixed uncertainties in both transportation cost and travel time. Different from previous studies, this paper develops a novel modeling framework for the IH&S network design problem to jointly minimize the expected value of total transportation costs and the maximum travel time requirement in term of critical value. A new hybrid methodology by combining fuzzy random simulation (FRS) technique and multi-start simulated annealing (MSA) algorithm is designed to solve the proposed model. Numerical experiments are implemented to verify the effectiveness of the proposed model and solution approach.     

基于数据挖掘技术的超市商品定价研究

市场巨大的竞争压力促进了超市信息化程度的不断提高,数据库技术或数据仓库技术的普遍应用,超市积累了大量的交易数据。本文基于数据挖掘技术,从海量的超市交易数据中发现客户购买商品的关联关系,从商品销量之间的相互促进的角度出发,构建考虑销售利润和销售额的多目标商品定价模型,运用人工智能算法给出商品的合理定价,为超市经营的管理层提供合理的定价方案。     

Developing a Framework for Understanding a Tourism Service Setting

ABSTRACT

This study aims to extend current typologies in physical environments as applied to service marketing. The physical setting in which service delivery is undertaken creates expectations of the level of service. Thus, the design of the service environment should be carefully undertaken to ensure consistency with service expectations. This is a report/study which demonstrates that many organizations fail to adequately capture the servicescape in tourism settings as evidenced by low accuracy in classification by the participants.     

The rise of Firefox in the web browser industry: The role of open source in setting standards

Recent years have witnessed a continuous erosion of the Microsoft Internet Explorer share in the web browser market, mainly induced by the continuous gains of Mozilla Firefox, an open source software product. This tendency would seem to contradict the well-established belief that in a standards battle ‘the strong grow stronger while the weak grow weaker’. The objective of this study is to explain the evolution of web browsers through the analysis of the competitive relationship between the main players in this ongoing battle. We examine two standards battles: first, Netscape versus Microsoft, followed by the more recent battle between Microsoft and Mozilla. The analysis contributes to the understanding of standard battles in the context of open source software. It will be argued that some characteristics of Open Source Firefox, such as the semi-open development approach and the involvement of commercial companies, partially explain the rise of this web browser. Lock-in mechanisms, which historically have been reported to be dominant factors in standards battles, seem to have little impact in the context of open source software.     

Opening the black box of entrepreneurship: The Italian case in a historical perspective

This paper critically examines the discourse surrounding fair trade mainstreaming, and discusses the potential avenues for the future of the social movement. The authors have a unique insight into the fair trade market having a combined experience of over 30 years in practice and 15 as fair trade scholars. The paper highlights a number of benefits of mainstreaming, not least the continued growth of the global fair trade market (tipped to top $7bn in 2012). However, the paper also highlights the negative consequences of mainstreaming on the long-term viability of fair trade as a credible ethical standard.     

“农改超”路在何方

近年来,在中国城市掀起了一股引人注目的农贸市场超市化(农改超)潮流,客观地看待这一现象,"农改超"既有利又有弊。但是,农贸市场是一种低层次的商业形态,它需要向更高层次发展,因而,农贸市场超市化是一个不可逆转的必然趋势。     

论我国现代水果零售市场的建设

文章根据传统水果零售市场和现代水果零售市场的划分,分析了我国水果零售市场的现状及发展趋势,探讨了现代水果零售市场对于推动我国水果产业发展的积极意义,并提出了建设我国现代水果零售市场的对策建议。     

超市食品安全消费的博弈分析——佛山市民食品安全意识调查

针对佛山城市居民食品安全意识进行的调查结果显示,食品安全受到了佛山市民的特别关注。尤其是超市作为消费者购买食品的主流场所,食品安全问题尤为突出.     

一种基于混合智能算法的协作中继选择新方法

针对多用户多中继场景下协作通信系统的中继选择问题,提出了一种基于混合智能算法的协作中继选择新方法。不同于现有的为每个源节点分配一个中继节点的中继选择方法,新方法建立了为每个源节点分配一个或多个中继节点的优化模型,以最大化多用户多中继协作系统的最小接收信噪比为优化目标,采用结合了模拟退火与遗传算法的混合智能算法来搜寻中继选择问题的最优解。仿真结果表明,所提方法可显著提高目的端的接收信噪比,且算法具有较强的全局搜索和快速寻优能力。     

我国大型超市品牌资产价值提升研究

目前,我国零售业竞争异常激烈,各大超市在品牌资产建设上却显得捉襟见肘,品牌资产提升效果不尽人意。要从本质上提升品牌资产,大型超市必须在深入理解品牌知名度、品牌形象来源等因素基础上,探究影响品牌资产的关键驱动因素。在超市的选址、商品的选择、价格策略、促销手段等方面制定品牌价值的提升策略。管理者要有效实施顾客满意工程,创新企业为文化,从而实现品牌价值增值,提升品牌竞争力。