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Judgment of information quality and cognitive authority in the Web
Wiley - Tập 53 Số 2 - Trang 145-161 - 2002
Soo Young Rieh
AbstractIn the Web, making judgments of information quality and authority is a difficult task for most users because overall, there is no quality control mechanism. This study examines the problem of the judgment of information quality and cognitive authority by observing people's searching behavior in the Web. Its purpose is to understand the various factors that ...... hiện toàn bộ
Overlap in bibliographic databases
Wiley - Tập 54 Số 12 - Trang 1091-1103 - 2003
William W. Hood, Concepción S. Wilson
AbstractBibliographic databases contain surrogates to a particular subset of the complete set of literature; some databases are very narrow in their scope, while others are multidisciplinary. These databases overlap in their coverage of the literature to a greater or lesser extent. The topic of Fuzzy Set Theory is examined to determine the overlap of coverage in th...... hiện toàn bộ
The power of power laws and an interpretation of Lotkaian informetric systems as self‐similar fractals
Wiley - Tập 56 Số 7 - Trang 669-675 - 2005
Leo Egghe
AbstractPower laws as defined in 1926 by A. Lotka are increasing in importance because they have been found valid in varied social networks including the Internet. In this article some unique properties of power laws are proven. They are shown to characterize functions with the scale‐free property (also called self‐similarity property) as...... hiện toàn bộ
Relations between the continuous and the discrete Lotka power function
Wiley - Tập 56 Số 7 - Trang 664-668 - 2005
Leo Egghe
AbstractThe discrete Lotka power function describes the number of sources (e.g., authors) with n = 1, 2, 3, … items (e.g., publications). As in econometrics, informetrics theory requires functions of a continuous variable j, replacing the discrete variable n. Now j... hiện toàn bộ
The effect of social network sites on adolescents' social and academic development: Current theories and controversies
Wiley - Tập 62 Số 8 - Trang 1435-1445 - 2011
June Ahn
AbstractTeenagers are among the most prolific users of social network sites (SNS). Emerging studies find that youth spend a considerable portion of their daily life interacting through social media. Subsequently, questions and controversies emerge about the effects SNS have on adolescent development. This review outlines the theoretical frameworks researchers have ...... hiện toàn bộ
Patent priority network: Linking patent portfolio to strategic goals
Wiley - Tập 60 Số 11 - Trang 2353-2361 - 2009
Fang Su, Kuei‐Kuei Lai, Ruchi Sharma, Tsung Hsien Kuo
AbstractWhen applying for patents, companies should consider performing patent portfolios as a means of integrating their patent strategy to shape their overall business strategy. This is an important issue for any company in pursuit of enhanced operational performance because the whole raison d'être behind the application of patents is t...... hiện toàn bộ
Sentiment strength detection in short informal text
Wiley - Tập 61 Số 12 - Trang 2544-2558 - 2010
Mike Thelwall, Kevan Buckley, George Paltoglou, Di Cai, Arvid Kappas
AbstractA huge number of informal messages are posted every day in social network sites, blogs, and discussion forums. Emotions seem to be frequently important in these texts for expressing friendship, showing social support or as part of online arguments. Algorithms to identify sentiment and sentiment strength are needed to help understand the role of emotion in t...... hiện toàn bộ
The link‐prediction problem for social networks
Wiley - Tập 58 Số 7 - Trang 1019-1031 - 2007
David Liben‐Nowell, Jon Kleinberg
AbstractGiven a snapshot of a social network, can we infer which new interactions among its members are likely to occur in the near future? We formalize this question as the link‐prediction problem, and we develop approaches to link prediction based on measures for analyzing the “proximity” of nodes in a network. Experiments on large coau...... hiện toàn bộ
A study of the evolution of interdisciplinarity in library and information science: Using three bibliometric methods
Wiley - Tập 63 Số 1 - Trang 22-33 - 2012
Yu‐Wei Chang, Mu‐Hsuan Huang
AbstractThis study uses three bibliometric methods: direct citation, bibliographic coupling, and co‐authorship analysis, to investigate interdisciplinary changes in library and information science (LIS) from 1978 to 2007. The results reveal that LIS researchers most frequently cite publications in their own discipline. In addition, half of all co‐authors of LIS art...... hiện toàn bộ
An examination of searcher's perceptions of nonsponsored and sponsored links during ecommerce Web searching
Wiley - Tập 57 Số 14 - Trang 1949-1961 - 2006
Bernard J. Jansen, Marc L. Resnick
AbstractIn this article, we report results of an investigation into the effect of sponsored links on ecommerce information seeking on the Web. In this research, 56 participants each engaged in six ecommerce Web searching tasks. We extracted these tasks from the transaction log of a Web search engine, so they represent actual ecommerce searching information needs. U...... hiện toàn bộ
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