In recent years the structural similarity index has become a de facto standard among image quality metrics. Made up of three components, this technique assesses the visual impact of changes in luminance, contrast and structure in an image. Present applications of the index include image enhancement, video compression, video quality monitoring and signal encoding. As its status continues to rise...

Une crédibilité minimale de la banque centrale, avec une probabilité non nulle ne pas revenir sur son engagement, est condition nécessaire pour ancrer les anticipations d’inflation et garantir le retour l’inflation vers sa cible long terme. En revanche, l’absence complète crédibilité, certitude que centrale reviendra engagement (« discrétion optimale »), implique bifurcation dynamique des traje...

This paper has reviewed theoretical and empirical studies on information credibility with particular questions of how scholars have conceptualized credibility that is known as a multifaceted concept with underlying dimensions; how credibility has been operationalized and measured in empirical studies, especially in the Web context; what are the important user characteristics that contribute to ...

The credibility of website is a sort of psychological feeling, in other words, a sense of trust and its intensity towards the enterprise’s website produced by the customers from individual or collective perspective. The credibility of website has become a decisive factor for the website’s survival and an important driving force of promotion and market expansion. Currently, the credibility of we...

This study examines how bloggers establish and enhance the credibility of their blogs through a series of blogging practices. Based on an analysis of interviews with 22 independent bloggers who blog on a range of topics, we present audience-aware credibility as a theoretical construct. Audience-aware credibility is defined as how bloggers signal their credibility based on who they think their a...

The proliferation of user-generated content (UGC) is one of the distinguishing characteristics of Web 2.0. Internet users contribute content online through platforms such as blogs, wikis, video sharing sites, and sites that allow user feedback. Yet little is known of the credibility practices of these content contributors. Through phone interviews conducted with 29 online content contributors, ...

This article considers recent changes to legal provisions governing harassment at work, in particular sexual harassment, in the UK, in the light of EU Directive 2002/73/EC, and the remedies available in the courts and employment tribunals. This article then provides a statistical profi le of a total of 21,335 sex discrimination cases brought to nine employment tribunals in the UK between 2003 a...

Credibility coefficients reflect similarity of objects in respect to other ones in information systems. For decision tables we can use credibility coefficients based on decision rules. Knowledge discovery methods can extract rules from an information system. The knowledge represented by the rules may be not exact due to improper data. Calculation of credibility coefficients is based on an assum...