The purpose of this paper is to propose the creation of a security- enhancing hypervisor for PCs as a collaborative agenda for the research community. This agenda is not necessarily about answering fundamentally new research questions. Rather, it is a call to action about a rare chance for the community to have substantial impact. If researchers demonstrate compelling near-term benefits from a modest security layer, then OS vendors may adopt such a layer as a way to increase security without costly reengineering. The introduction of this secure foothold into the consumer software stack could then yield significant long-term benefits by providing a much better avenue for deploying security solutions. This agenda consists of two parts: (1) exploring how hypervisors can address end-user security issues and (2) exploring how to architect a small, secure hypervisor that provides several of these facilities. We believe that there are interesting and worthwhile challenges in both parts. The rest of this paper is organized as follows. We begin by explaining why hypervisors provide a highly attractive insertion point for security (Section 2) and summarizing work in this area (Section 3). We then discuss security facilities that a hypervisor can provide in Section 4, with a focus on trusted paths to online services. We conclude by discussing challenges associated with our proposal in Section 5.

关键词：电子信息；信息安全；网络安全；虚拟机；监控

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computer programs that radio amateurs use in their digital networks give various opportunities for checking user authentication before allowing access to sensitive parts of communication systems.

关键词：电子信息；信息安全；网络安全；无线电；分组交换网络

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The relatively short wavelength of mm-wave and THz radiation coupled with good transmission through many dielectric materials allows images to be formed of concealed objects. This chapter gives an overview of the detectors, their associated circuitry, and system developments over the past 10 years, focussing on personnel security screening. We will discuss the phenomenology of imaging at these wavelengths, introduce the reader to the basic architectures being used and developed for image forming instruments, show examples of systems, and also discuss the feasibility of spectroscopic THz imaging for security screening applications.

关键词：电子信息；信息安全；网络安全；毫米波；太赫兹

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The intent of this chapter is to introduce side channel attacks as a significant threat for wireless sensor networks, since in such systems the individual sensor node can be accessed physically and analysed afterwards. Even though such attacks are known for some years, they have never been specifically considered before in the area of WSNs (Wireless Sensor Networks).

关键词：电子信息；信息安全；网络安全；无线传感器；信道攻击

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This paper presents a parsimonious travel demand model (PTDM) derived from a proprietary parent travel demand model developed by Cambridge Systematics (CS) for the California high-speed rail system. The purpose of the PTDM is to reduce computational expense for model simulations, optimization and sensitivity analyses, and other repetitive analyses. The PTDM is used to quantify the significance of parameter uncertainties with the use of mean value first-order second moment methods for uncertainty quantification and sensitivity analysis. The PTDM changes the model resolution of the parent travel demand model from a traffic analysis zone to a county-level analysis. The three-step model contains trip frequency, destination choice, and main mode choice models and is calibrated to match the results of the CS model. The main mode choice model predicts primary mode choice results for car, commercial air, conventional rail, and high-speed rail. The PTDM uses data and models similar to parent models to show how uncertainty in travel demand model predictions can be quantified. This paper does not attempt to assess the reliability of parent model forecasts, and the results should not be used to evaluate uncertainty in the California High-Speed Rail Authority's ridership and revenue forecasts. However, the uncertainty quantification methodology presented here, when applied to the CS model, can be used to quantify the impact of parameter uncertainty on the forecast results.

关键词：电子信息；系统；交通规划；建模

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关键词：电子信息；信息安全；无匙加密；SIMPL系统

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Effective and sufficient support for the transportation of oversized and overweight (OS-OW) loads on the nation's transportation system is important to a vibrant economy. The availability of advanced tools and technologies based on geographic information systems (GIS) has increased considerably the ability of transportation policy makers to analyze vehicle routing data better. The Texas Department of Transportation recently initiated a research effort to analyze the routes of historically permitted OS-OW loads. The primary objectives of this research included the development of criteria for assigning current and projected OS-OW groups to an improved road network, the identification of strategic infrastructure improvements to accommodate such loads, and the development of optimal and alternative routes for priority load groups between the most common origins and destinations. As part of the project, the research team developed a highly efficient GIS-mapping approach and converted a massive data set of OS-OW permit routes into a GIS format. The mapping approach enabled batch processing and directly queried, retrieved, and stored data from and to an Oracle database. This paper presents part of the findings of this research, with a focus on the GIS mapping process of the historical OS-OW permit routes. The GIS approach will be particularly valuable for those states that are, or will be, automating their process for OS-OW permitting through GIS-based tools. In addition, the research provides valuable lessons for other states that are looking for a workable solution to analyze effectively mass historical OS-OW routing data.

关键词：电子信息；系统；地理信息系统；路线映射

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伴随着我国网络购物行业的快速发展，国内消费者的网络购物意识和行为逐步成熟并且稳定，在电子商务逐步深入国民生活的情况下，更多消费者进入网络购物行业。据艾瑞最新数据，2012年我国网络购物用户规模达到2.42亿人，较2011年同期增加5500万人。整体网络购物市场大规模发展与消费者购物需求大、消费实力强有紧密联系。网购用户数量、购买频次、购买金额的增长成为了中国网络购物市场的发展的主要推动力，并将进一步推动我国网络购物行业快速发展。

关键词：网络购物用户；电子商务；行为研究；态度研究；满意度研究

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2012年中国在线旅游市场交易规模达1708.6元，增长30.0%，渗透率仅为6.6%2012年中国在线机票市场交易规模达1042.0亿元，趋于成熟。2012年中国在线酒店市场交易规模达397.4亿元，市场加速重构。2012年中国在线度假市场交易规模为211.9亿元，在线自助游预订快速增长。2012年OTA市场营收规模为93.2亿元，营收结构进一步调整。在线旅游企业利用移动互联网进行业务改造，初见成效。 兼并与收购开始成为在线旅游企业扩充实力的重要手段。

关键词：在线旅游；市场发展；在线机票；在线酒店；在线度假市场；OTA

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Under telematic systems we usually understand the system consisting of many elements distributed in large territory where some of these elements are mobile elements. The behavior of the system consists of interaction among elements and we assume that these interactions have to be undisturbed - secure. Because we have seen some non-identical understanding in the scientific community, let us define the meaning of any possible misinterpreted term just for purpose of this chapter. Later on we will see important usage of these definitions.

关键词：电子信息；信息安全；网络安全；远程信息处理系统

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