Information providers on the Web have different levels of knowledge, different views of the world and different intensions. Thus, provided information may be wrong, biased, inconsistent or outdated. Before information from the Web is used to accomplish a specific task, its quality should be assessed according to task-specific criteria. The WIQA - Information Quality Assessment Framework is a set of software components that empowers information consumers to employ a wide range of different information quality assessment policies to filter information from the Web.
One can gain a lot of insight into the structure of a network by analzing the eigenvalues and eigenvectors of its adjacency matrix. The connection between spectral parameters and the more combinatorial properties of networks and datasets is a subtle issue, and while many results have been established about this connection, it is still not fully understood. This connection has also led to a number of applications, including the development of link analysis algorithms for Web search.
"Schnell haben die Benutzer allerdings begonnen, die Suchmaschine nicht zur Erschließung des Wissens im Internet, sondern als Index ihrer Wirklichkeit zu gebrauchen."
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433--445(February 2007)This is a preprint of an article published in Blandford, A. and Makri, S. and Gow, J. and Rimmer, J. and Warwick, C. and Buchanan, G. (2007) A Library or Just another Information Resource? A Case Study of Users' Mental Models of Traditional and Digital Libraries. Journal of the American Society of Information Science and Technlogy, 58 (3). pp. 433-445. ISSN 15322882. The published version can be found at http://www.interscience.wiley.com.
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