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1.
基于Ajax的Web应用的研究 总被引：1，自引：0，他引：1
Ajax是Web2.0的核心技术之一,它是几项技术的合成。使用Ajax技术可以构建更为动态和响应更为灵敏的Web应用程序。介绍了Ajax技术的定义、工作原理以及相关技术,构架了一个简单的Ajax框架,阐明了Ajax在Web应用方面的独特优势,它必将成为Web应用开发的主流技术。 相似文献
2.
浅析Ajax框架在Web系统中的开发与应用 总被引：4，自引：0，他引：4
在目前的Web 2.0热潮中,Ajax已成为人们谈论最多的技术术语.它不但能使网上用户得到更好得体验,而且能够减轻服务器和带宽的负担[2],随之而来围绕它出现了众多优秀的客户端Ajax框架.本文首先概况地介绍Ajax技术及其工作原理,接着主要讨论现今互联网上有关Ajax技术的几种较为流行的客户端Ajax框架,最后通过对比分析总结它们各自在Web系统中的开发优势.本文旨在对在Web开发与应用中就Ajax框架的选择提供一定的借鉴意义. 相似文献
3.
范勇 《内蒙古科技与经济》2008,(18)
根据目前医院信息系统(HIS)大多是C/S模式,而基于B/S模式的HIS因性能和技术等原因未能推广的情况,文章对Ajax技术的特点、应用范围、Ajax在HIS中的适用场合、Ajax的应用可能带来的问题进行了分析,探讨了在HIS中如何规避Ajax的弊端的方法,研究表明,在B/S模式的HIS中采用Ajax技术,可以明显优化HIS系统性能、改善用户体验. 相似文献
4.
通过分析Ajax的工作原理,阐述了Ajax Web应用程序模型与传统Web应用程序模型的区别。根据Ajax的技术特点,详细介绍了该技术的优势、局限性和适用范围,并对其的发展前景进行了展望。 相似文献
5.
相对于传统的Web应用技术,Ajax技术是异步动态交互技术。通过介绍Ajax技术的工作原理和重要技术构成,并配合.NET技术实现Web页动态信息提示。 相似文献
6.
基于Ajax的交互式检索 总被引：2，自引：0，他引：2
探讨了Ajax及其技术原理,分析了交互式检索的发展及特点,给出了Ajax在检索中应用的实例。分析了利用Ajax跟踪用户个性化信息的实现方案。在此基础上,提出了基于Ajax的交互式检索系统模型,对模型的主要功能进行了阐述。 相似文献
7.
通过分析Ajax的工作原理，阐述了Ajax Web应用程序模型与传统Web应用程序模型的区别。根据Ajax的技术特点，详细介绍了该技术的优势、局限性和适用范围，并对其的发展前景进行了展望。 相似文献
8.
Ajax技术的运用为创建流畅、快捷、人性化的动态Web应用提供了重要手段。分析了Ajax的关键技术和工作原理,对传统的Web应用模型和基于Ajax的Web模型进行了比较,并在此基础之上给出了一个利用Ajax实时绘制动态血压曲线的应用实例。 相似文献
9.
探讨了Ajax技术在信息系统项目中的应用原理、较传统应用技术的优势等问题,并举例说明用Ajax建立用户登录功能的实现方法。 相似文献
10.
Ajax是一种创建交互式网页应用的开发技术,可以为网络用户创建出近似桌面应用的富客户端,文章介绍了Ajax加快浏览器响应的原理,并说明了基于Ajax技术如何实现博客留言系统。 相似文献
11.
Marjorie Armstrong-Stassen Margaret Landstrom Ramona Lumpkin 《The Information Society》1998,14(2):153-164
This study examined how students who had no prior experience with videoconferencing would react to the use of videoconferencing as an instructional medium. Students enrolled in seven different courses completed a questionnaire at the beginning of the semester and again at the end of the semester. Students at the origination and remote sites did not differ in their reactions toward videoconferencing but there was a significant difference for gender. Women reacted less favorably to videoconferencing. Compared to the beginning of the semester, students reported significantly less positive attitudes toward taking a course through videoconferencing at the end of the semester. There were no significant differences in students' attitudes toward videoconferencing across courses at the beginning of the semester but there were significant differences across the courses at the end of the semester. The results suggest the need for better preparation for both students and instructors. 相似文献
12.
A joint study by Prof. ZHANG Zhibin from the CAS Institute of Zoology his co-workers from Norway US Swiss have indicated that historical outbreaks of migratory locusts in China were associated with cold spells suggesting that China's projected climate warming could decrease the pest's numbers. The study was published in Proceedings of the National Academy of Sciences on September .…… 《中国科学院院刊(英文版)》2008,22(1):6-7
Ajoint study by Prof. ZHANG Zhibin from the CAS Institute of Zoology and his co-workers from Norway, US and Swiss have indicated that historical outbreaks of migratory locusts in China were associated with cold spells, suggesting that China＇s projected climate warming could decrease the pest＇s numbers. The study was published in Proceedings of theNational Academy of Sciences on 17 September, 2007. 相似文献
13.
Caroline Haythornthwaite 《The Information Society》2001,17(3):211-226
A computer-mediated group is a complex entity whose members exchange many types of information via multiple means of communication in pursuit of goals specific to their environment. Over time, they coordinate technical features of media with locally enacted use to achieve a viable working arrangement. To explore this complex interaction, a case study is presented of the social networks of interactions and media use among members of a class of computer-supported distance learners. Results show how group structures associated with project teams dominated who communicated with whom, about what, and via which media over the term, and how media came to occupy their own communication niches: Webboard for diffuse class-wide communication; Internet Relay Chat more to named others but still for general communication across the class; and e-mail primarily for intrateam communication. Face-to-face interaction, occurring only during a short on-campus session, appears to have had a catalytic effect on social and emotional exchanges. Results suggest the need to structure exchanges to balance class-wide sharing of ideas with subgroup interactions that facilitate project completion, and to provide media that support these two modes of interaction. 相似文献
14.
Electronic data interchange (EDI) provides means for interorganizational communication, creates network externalities, requires an advanced information technology (IT) infrastructure, and relies on standards. In the diffusion of such innovations, institutional involvement is imperative. Such institutions contain governmental agencies, national and global standardization organizations, local government, and nonprofit private organizations like industry associations. The last type of organizations we call intermediating institutions. They intermediate or coordinate ("inscribe") the activities of a group of would-be adopters. Unfortunately, little is known of how these organizations shape the EDI diffusion trajectory. In this article we examine one specific type of intermediating organizations?industry associations?and how they advanced the EDI diffusion process in the grocery sectors of Hong Kong, Denmark and Finland. We identify six institutional measures, placed into a matrix formed by the mode of involvement (influence vs. regulation) and the type of diffusion force (supply push vs. demand pull), that can be mobilized to further the EDI diffusion. Industry associations were found to be active users of all these measures to varying degrees. Their role was critical especially in knowledge building, knowledge deployment, and standard setting. Furthermore, institutional involvement varied due to policy and cultural contingencies and power dependencies. 相似文献
15.
Puay Tang 《The Information Society》1998,14(1):19-31
The increasing prospects of digital piracy has prompted the perceived need by electronic publishers to adopt technical systems of protection, and governments to reform their copyright laws. This article is a preliminary study of the management of intellectual property by electronic publishers, defined as those involved in the production of online databases, and CD-ROMs. It focuses on three main issues: (1) how electronic publishers view the increasing threat of piracy; (2) the methods of protection employed to protect intellectual property in digital format; and (3) the importance of technological protection of intellectual property in electronic publications. The analysis is based on a sample of 23 UK electronic publishers. The interviews revealed an interesting assortment of protection methods and did not show that technological protection was a preferred way. Instead, the means of protection, in addition to copyright law, comprised niche markets, pricing, trust, bad publicity, and nontechnical and technical means. 相似文献
16.
Milton Mueller 《The Information Society》2001,17(3):151-163
Long-standing conflict between domain name registrants and trademark holders prompted the Internet Corporation for Assigned Names and Numbers (ICANN) to create a global, mandatory arbitration procedure known as the Uniform Dispute Resolution Policy (UDRP). The UDRP has been used in 2166 cases involving 3938 domain names as of 1 November 2000. The policy gives the initiator of a complaint, generally a trademark holder, the right to choose which ICANN-accredited dispute resolution service provider (RSP) will handle the case. During the preparation of the UDRP,some feared that complainant selection would lead to "forum shopping" that might bias the results. This article performs a statistical assessment of the forum-shopping thesis and finds support for it. There are statistically significant differences in the various RSPs' propensity to take away names from defendants; there are also major differences in the number of cases brought to each RSP. RSPs who take away names have the larger share of cases. The study examines other variables that might explain differences in market share, such as price, the plaintiff's nationality, or the time taken to decide a case. It finds that nationality and time also are correlated with market share. The study concludes that shopping for a favorable outcome is an important factor in the UDRP. 相似文献
17.
Prof. Raymond C.K. Chen a neuropsychologist with the CAS Institute of Psychology has made novel progress in his studies of schizophrenia. His work has been reported by a recent issue of Behavioural Neurology.…… 《中国科学院院刊(英文版)》2008,22(1):15-15
Prof. Raymond C.K. Chen, a neuropsychologist with the CAS Institute of Psychology, has made novel progress in his studies of schizophrenia. His work has been reported by a recent issue of Behavioural Neurology. 相似文献
18.
《中国科学院院刊(英文版)》2014,(3)
<正>In Xishuangbanna,one of China’s most biodiverse regions,landscape has changed dramatically during the past three decades due to the conversion of tropical rainforest to rubber plantations.In steep areas,terraces are often constructed before planting rubber trees,which causes two important changes in the soil:the destabilization of soil in the bench terraces and the increased vulnerability of unvegetated riser faces to erosion.Few studies have documented the nature and intensity of erosion on bench terraces.Prof.LIU Wenjie and his colleagues from the Xishuangbanna Tropical Botanical Garden(XTBG)conducted a study in Menglun County(21°5′39″N,101°15′55″E),Xishuangbanna to evaluate the influence 相似文献
19.
Chinese Scientists Use Earth Observation Technologies to Study and Protect Wild Camels 总被引：1，自引：0，他引：1
《中国科学院院刊(英文版)》2014,(3):267-268
<正>Chinese scientists plan to apply Earth Observation technologies to protect the critically endangered wild camels(Camelus ferus).With the help of remote sensing,satellite positioning,geographical information system and wireless sensors networks,they will be able to access the distribution and population of the wild camels and protect their habitats.The project will be carried out by the International Research Center for Wild Camel Conservation,which was jointly established earlier this year by the Institute of Remote Sensing and Digital Earth(RADI)of the Chinese 相似文献
20.
WANG Sijia 《中国科学院院刊(英文版)》2014,(2):192-194
<正>The Paul Gerson Unna Research Group on Dermatogenomics was founded in October 2012 at the Partner Institute for Computational Biology.The ultimate goal of the group is to understand the biology of skin and skin appendages. 相似文献