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Web2.0环境下医学信息检索新途径初探 总被引:3,自引:0,他引:3
随着网络技术的发展,Web2.0技术在网络上的应用越来越广泛,信息发布形式和检索方式也随之发生着变化。对医学信息的检索除了沿用以前的检索途径外,还应探索web2.0环境下新的检索途径。文章对Web2.0的主要技术做了简要介绍,并就博客医学信息检索、RSS服务下的医学信息检索、wiki网站医学信息检索以及讨论组和论坛上的医学信息等这些新的医学信息检索途径做了初步探讨。参考文献7。 相似文献
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网络不同媒体组合的传播效果检测分析 总被引:2,自引:0,他引:2
本文通过对多通道刺激反应心理学理论的回溯 ,援引美国传播学教授斯·斯亚姆·山德尔 (S .ShyamSundar)在 2 0 0 0年所做的网站多媒体组合信息传播实验结果———在目前网络软硬件技术还有待大幅度提高的情况下 ,越多的媒体参与网络传播 ,并不一定能取得好的传播效果。本文借此提出文本 图片是目前网站较为合适的信息传播形式的观点。 相似文献
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This paper examines the media system of Hong Kong from a socio‐cultural perspective. It proposes to analyse five major factors that determine a media system, namely, political structure, economic structure, media proprietors’ culture, media practitioners’ culture, and audience's culture. Interactions of these five factors result in four ideal‐type media systems. They are: Type I, Free System; Type II, Relatively Free System; Type III, Relatively Repressive System; and Type IV, Repressive System. Analysed in this context, the present media situation in Hong Kong can be considered to be a relatively free system. However, it is also observed that the media system in Hong Kong is likely to become a relatively repressive system after 1997. The paper further suggests that the socio‐cultural model developed here can be used for cross‐cultural comparison. 相似文献
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英国殖民统治香港一个半世纪,在香港颁布了大量新闻法规。香港新闻法制的演变大致分成四个阶段,第一阶段是起步期,从1841年到1900年英国奠定殖民统治香港基本格局后,建立了以注册监管为主体的新闻法律制度。第二阶段是发展期,从1900年到1945年二次世界大战结束,制订了有关以内容监管为主体的新闻法规。第三阶段是延续期,从1945年英国恢复对香港殖民统治到1985年《中英联合声明》正式生效前,进一步延续了有关新闻内容监管法规的制订。第四阶段是调整期,从1985年到1997年香港回归祖国前,港英当局为掩盖殖民专制本质,为香港平稳过渡设置障碍,调整和放松了有关新闻媒体管制的法令法规。港英政府的新闻法制建设始终是其殖民统治体制的延伸,但客观上也表现出了积极性的一面。 相似文献
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香港的传媒、政治和社会变迁 总被引:1,自引:0,他引:1
回归后的香港存在着影响传媒表现和运作的众多因素,本文认为再国族化、国际化和本土化是一个有助于分析香港传媒和政治变迁的框架,并以此框架分析了近两年来香港传媒如何响应重大社会和政治事件。在传媒和权力结构之间的关系外,香港的社会和经济转变等非非政治性的社会变迁也影响着香港传媒的发展。 相似文献
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The disappearance of Malaysian Airline Flight MH370 attracted high media attention across countries. To explore how news media outlets influence each other in transnational settings, this study focuses on the coverage of MH370 by three major newspapers in the U.S., China, and Hong Kong, and examines the inter-media agenda-setting effect as an indicator of media’s mutual influence. A content analysis of 255 news articles revealed significant correlations among the issue agendas of the 3 newspapers, suggesting the existence of reciprocal, though asymmetrical, influence among the news media in the U.S., China, and Hong Kong. The findings also suggest that news media differ in power and that news media in high-power countries play a key role in shaping the global news agenda. 相似文献
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Joseph Man Chan 《亚洲交流杂志》2013,23(2):134-167
This paper first analyses the communication research environment in Hong Kong in regard to its socio‐political context, the media industry and more direct factors such as research freedom, financial‐institutional support, incentives, size and quality of trained personnel While the overall environment is facilitative, the small size of the research community in Hong Kong is limiting the volume of research output and scope of specialization. In reviewing researches in the last decade, it is found that commercial researches are generally more concerned about opinion distribution and media consumption. Government policy researches‐centre around media evaluations, preferences, programme standards and other regulatory issues. Academics pay most attention to political communication, international communication and, less so, information technology. As to future research, the author argues for more frequent use of longitudinal and comparative methods, the search for an original theoretical contribution to communication, an urban research agenda in development communication, the study of dependent communication development, interaction between mass media and political formation, regional cultural integration, advertising, media management, information technology and policy. The establishment of a communication policy forum is also called for to promote exchanges among academics, policy‐makers, media practitioners and interest groups. The expansion of the research community in Hong Kong hinges on successful faculty recruitment, the establishment of a doctoral communication programme and the relief of some staffs teaching overload. 相似文献
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MASS MEDIA AND POLITICAL OUTSPOKENNESS IN HONG KONG: LINKING THE THIRD-PERSON EFFECT AND THE SPIRAL OF SILENCE 总被引:1,自引:0,他引:1
This study analyzes the impact of perceptions of the opinionsof others on political outspokenness in Hong Kong. Two relatedtheories, the third-person effect and the spiral of silence,are tested in the context of public opinion regarding the Sino-Britishdispute over Hong Kong's political future. To estimate the potentialinfluence of perceived public opinion on political outspokennessduring this political crisis, a representative telephone surveyof 660 respondents in Hong Kong was conducted in November 1993. As hypothesized by the third-person effect, perceptions of theinfluence of media reports about the Sino-British dispute onothers were found to be consistently greater than perceptionsof influence on self. Similar to previous findings, respondentswith a higher level of education were more likely to believethat the mass media influence others more than themselves. Thestudy also found empirical support for the spiral of silencehypothesis. Politically unconcerned respondents were less willingto voice their political opinions publicly when they perceivedthe majority opinion not to be on their side. Findings alsoindicate that the third-person effect indirectly influencesthe spiral of silence process through its impact on perceptionsof public opinion. 相似文献
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《Journal of Radio & Audio Media》2013,20(2):176-195
This study examines how people perceive the influence of political talk radio in Hong Kong. Theoretically, the study focuses on the influence of message-attitude congruence, that is, the situation in which a person's opinions or attitudes are consistent with the viewpoints promulgated by media messages, on the third-person perception. It is argued that message-attitude congruence provides a situation in which people may attribute their attitudes partly to media influence. Hence message-attitude congruence is expected to relate to increased levels of perceived media influence on self, and thereby weaken the size of the third-person differential. Moreover, it is hypothesized that attribution of media influence should be more likely when people perceive the media influence as desirable and when there is the absence of alternative sources of influence. These arguments were tested with a telephone survey (N = 800) in Hong Kong, where political talk radio has been a prominent medium in the past decade. The results support the theoretical arguments and contribute to our understanding of the significance of the medium in the city. The broader theoretical implications of the findings are also discussed. 相似文献
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Bo Li 《Media History》2013,19(3):270-283
The early twentieth century witnessed both the thriving of Chinese newspapers in the British colony Hong Kong and the boom of Chinese translation of foreign literature. This article, through the translated literature in Chinese newspapers, explores the interaction among print media, Chinese women, and translation in the early twentieth century Hong Kong. It argues that many factors contributed to the prevailing ideology concerning women in the British colony, including the skewed sex ratio, Confucianism as the hegemonic ideology, and the conspiracy between elite Chinese and the colonial rulers, and thus that the manipulation of images of women in Chinese translations was ideologically motivated. Such pervasive ideology characteristic of Hong Kong at that given moment in history undoubtedly created pressures on the translators, which were exacerbated by the difference in the construction of the images of women in the English original and its Chinese translated counterparts. 相似文献
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Adopting the Orientation–Stimuli–Reasoning–Orientation–Response (O–S–R–O–R) model of political communication effects, this study examines the mediating roles of online/offline political discussion and political trust on the relationship between social media information seeking and online/offline political participation in China and Hong Kong. Findings through structural equation modeling showed that the relationship between information seeking and online participation was mediated by online discussion for both samples. Moreover, the relationship between information seeking and offline participation was mediated by offline discussion, and offline discussion mediated the relationship between information seeking and online participation. Political trust did not mediate any of the relationships in China and Hong Kong and all significant paths involving political trust were negative. Implications of the findings for youth political participation in China and Hong Kong are discussed. 相似文献
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论文分析图书馆宣传推广与媒体关系研究的背景,对1980—2010年我国大陆地区和港澳台地区图书馆宣传推广与媒体关系的相关研究从论文年代、研究内容等方面进行了梳理、评价。 相似文献