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...butions, which have not yet been vetted by subsequent authors. The reputation of the authors who contributed and vetted the text can be used as a rough guide to the veracity, or trust, of the article =-=[19]-=-. Author reputation can also be used for author management. Highly controversial articles could be protected, preventing low-reputation authors from editing them. Alternatively, editors could be alert...

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...al issues. Section 4 presents our experimental design and results. Finally, Section 5 concludes this paper. 2. RELATED WORK Wikipedia has recently attracted growing interest in the research community =-=[2, 5, 6, 16, 29]-=-. Several research works closely related to ours were devoted to evaluating metadata to benchmark article status [16], assessing content trustworthiness [29] and user reputation [2, 5]. There were als...

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... studies, however, were primarily qualitative, and did not measure the discriminative value of such heuristics. The quantitative approaches found in related work tend to be quite complex. Zeng et al. =-=[6]-=-, for instance, used a dynamic bayesian network to develop a measure of trust and quality based on the edit history of an article. Adler and de Alfaro [1] devised similar metrics to quantify the reput...

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...strated later. 2.3 Information-Based Information-based approaches utilize content (rather than peer recommendations) to compute trust, and are often specialized for a particular domain. For example, (=-=Zeng et al., 2006-=-) and Wikitrust (Adler and de Alfaro, 2007) determine trust in a wiki’s text passages from sequences of revisions but lack the claim-level granularity and general applicability of fact-finders. Given ...

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...There have also been a number of studies developing explicit trust metrics in Wikipedia. Adler and de Alfaro [1] derive author reputation from the survival of an author’s edits over time. Zeng et al. =-=[16]-=- use dynamic Bayesian networks to calculate the evolution of trust in an article using as input editing status of authors and inserted and deleted text. Dondio et al. [3] use a combination of factors ...

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...s of over 5,000 manually-verified incidents in the process. 2. BACKGROUND & RELATED WORK 2.1 Classification and Valuation There have been many attempts to valuate the entities on Wikipedia – articles =-=[15, 20, 21]-=-, authors [3, 4], and individual edits have all been studied. The work presented herein, like all vandalism-focused efforts [13, 16], operates at the edit level. Although work at other granularity is ...

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...literature review, we could not find much work done in this area. Much of thesexisting research on Wikipedia data focuses on its article reputation and quality, which are two closely related concepts =-=[1, 3, 7, 10, 11, 17, 18]-=-, Lih [10] is among the first who analysed the creation and evolution of Wikipedia articles. He postulated that rigor (total number of edits) and diversity (total number of unique authors) are importa...

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...ipation [8],sthe effects of coordination and collaboration [24], vandalismsanalysis and detection [10, 15, 17, 19], reputation systems [1, 13,s25], quality assurance and automatic quality measurement =-=[1, 3, 4,s6, 12, 13, 18, 25]-=-. Relating to quality assessment there are twosdivisions of research. The first group investigates thestrustworthiness of the text of a Wikipedia article whereas thessecond one is involved in the asse...