非结构化数据处理分析在电子数据取证中的应用

非结构化数据占信息总量的比例远大于结构化数据,但针对其处理分析方式的研究却不及结构化数据广泛深入。本文在说明非结构化数据研究重要性的基础上,重点阐述了其处理分析方式中实体识别与关系抽取等关键技术,并结合自主研制开发的"海量案情信息智能分析系统",以办理网络赌球案件为应用背景,描述了非结构化数据处理分析在电子数据取证工作中的具体应用。     

ASP.NET网站如何防范SQL注入攻击

通过示例展示了典型的SQL注入攻击,并对此类攻击的原理和攻击过程进行分析,然后结合实际经验总结出若干条防御策略,对ASP.NET网站如何防范SQL注入攻击给出了参考解决方案。     

爱国者推出高密级数据存储设备

近年来,随着国家、企业及个人数据资料安全需求的日益强烈,爱国者推出了两款涉密数据移动存储设备一爱国者机密王和爱国者国密安全U盘,为公安、军队、金融等数据安全存储行业提供了新的数据安全解决方案。     

一种DSP＋FPGA机制的警用执法实时图像采集存储系统设计

基于当前警察系统在执法中遇到的问题,设计了一种由DSP芯片和FPGA芯片组成的实时图像采集存储系统。文章首先阐述了系统的整体设计思想,然后介绍了系统的硬件组成及电路的连接以及图像采集和存储实现的过程。     

DVR在智能小区监控系统中的应用趋势

DVR的主要功能是图像的数字存储，如果只是做录像存储，这在智能小区的应用方面则一点也不显示出智能。比如停车系统，当一辆车进入小区，现有的DVR也能录像，但需要查找录像资料时则需要一个个的查询，很不方便，浪费人力和时间。如果将停车系统和DVR的录像联动起来，比如：车主开着车进入小区刷了卡，停车场管理系统将车主进入小区的信息记录在案，如果需要查看该车的视频图像，只要通过点击“视频信息”，就能直接将该视频图像弹出，这就不需要像以往一样在DVR上一个一个查找，既方便，又节省了时间，还减少了误报率。     

云计算技术在减灾行业应用方面的思考

随着信息技术的发展，特别是近年来云计算技术在各行业的快速应用，推动了行业的信息化进程。笔者认为，云计算是一种新的计算和应用服务模型，建立在传统的虚拟化、分布式计算、web服务等多种技术的基础上，将分布在不同地域的存储、网络、数据、软件、应用服务等多种资源进行整合，按照内网或外网用户的需求提供不同层次和级别的存储服务、计算服务和应用服务等，     

大数据时代 你还有隐私吗

大数据堪称一把双刃剑。不论是企业还是个人,都会因大数据的爆发获益匪浅,但同时个人隐私也无处遁形。随之而来的问题是:这些数据应当属于谁?谁有权利利用这些数据进行分析?这种利用能否有个限度?一、大数据改变世界大数据概念相对"年轻",但是对于很多人并不陌生。数据的爆发归功于社交网络、电子商务和物联网的快速发展。以前,人们只是将上网当做娱乐方式之一,现在,人们更多的是生活在网络平台上。这使得每18个月,数据量就     

The Thai Royal Project Foundation Retail Stores： How and why the consumers buy？

The Royal Project, established in 1969, has responded to His Majesty＇s initiative to help the hill tribes in growing useful crops which enable them to have a better standard of living. In 1992, the Royal Project was transformed into Royal Project Foundation in order to become the public organization that can be operated efficiently as a private company. After that, the Royal Project Foundation Retail Stores or ＂Doi Kham＂ were set up to help distribute products and produces from the project and its members. However, the Royal Project Foundation Retail Stores are currently lacking of adequate marketing information to help management make the right and more aggressive decision. Therefore, this research was conducted in order to explore the consumers＇ behaviors and their reasons towards the purchase from ＂Doi Kham＂. Furthermore, consumer clustering and characteristics of each group are discovered. A survey of 341 current customers from 2 most crowded branches--Don Muang International Airport and Farmer Market in Bangkok--was done using self-administered questionnaire. The data obtained was then analyzed by using factor analysis, chi-square test, ANOVA and cluster analysis. The results show that majority of customers are women aged between 24-50 and having income more than 20,000 baht （around $606） a month. Most of them bought the Royal Project Foundation products from ＂Doi Kham＂ directly instead of the private-owned stores. More than one third of samples shop more than twice a month and spend moderately around 100 to 499 baht. The most popular products are temperate-climate vegetables, followed by agricultural processed food and temperate-climate fruits consecutively. Main reasons that the consumers buy the products are the product quality, standard labeling, helping welfare of farmers and hill tribesmen and brand credibility respectively. For marketing factors, the most important factor influencing the purchase is product quality and safety, followed by convenience of shopping, pricing, store service, store layout/displays and promotion consecutively. Three groups of clusters are obtained--＂traditional buyers＂, ＂service-oriented buyers＂ and ＂price-concerned buyers＂.     

计算机犯罪案件中文件检验的技术认证

计算机犯罪（ComputerCriminal）是指以某种形式直接或间接地与计算机有关的犯罪行为，是一种危害性极大的新型犯罪，防范和制止这种犯罪行为已经成为新时期公安工作的一项新的重要任务犤１犦。计算机文件认证是计算机犯罪案件查证中最重要的一部分。计算机犯罪案件的特殊性给查证工作带来了极大的困难，因此犯罪分子遗留下来的任何难以发现的蛛丝马迹，都是侦破这类案件的关键。在调查者所接触的物证中，绝大部分都与各种源输入文件、磁性存储文件和打印文件形式存在的计算机文件有关。犯罪分子往往以增、删、改和多次处理同一源文件或造…