For efficently caching mixed-media, this paper discusses several network-adaptive cache management schemes. Considering the characteristics of different types of media, we first proposed a multi-level page-size management scheme. Then, a media-characteristic-weighted replacement policy is presented to improve the hit ratio of mixed media including continuous and non-continuous media. Lastly, a ...

Semantic and semi-structured wiki implementations, which extend traditional, purely string-based wikis by adding machine-processable metadata, suffer from a lack of support for media management. Currently, it is difficult to maintain semantically rich metadata for both wiki pages and associated media assets; media management functionalities are cumbersome or missing. With Ylvi, a semantic wiki ...

Organizations need to provide effective policies in aligning their social media use with organizational goals to realize the expected benefits of social media. However, while social media use has been studied, social media policy research is lacking. This study aims to examine impacts of social media policy and active use on value creation. Drawing on the Model of IT/Business Value, we assessed...

Social media provides both opportunities and risks for any organization. Secure integration of social media platforms in organizational ICT infrastructures tends to be focused mainly on technical aspects. Social media security management usually ignores the human dimension, but protection can only be achieved through a holistic approach. Social media security culture must be part of the overall...

This paper is concerned with the management of creativity in a media organisation under change. It reports and analyses a case study conducted in one of Europe’s largest media corporations: the focus of the study was a development team set up charged with creating and producing a new multi-platform media service. The paper discusses the ways that the creativity of media professionals is support...

Emergency management agencies are progressively using social media for the sourcing and distribution of disaster information. Emergency management agencies are often unsure as to how to best identify and assess social media concerns (e.g. information security, trust) which must be addressed to develop a social media-enabled disaster information management environment. This paper adopts the Soci...

modern world is an interconnected space in which people in its different parts participate in a single common information system. the media are the main vehicles for this connectivity and can leave a strong impact on the attitudes of individuals towards aspects of family and childbearing. the media are also capable of changing the attitude of women toward the existing patterns of each culture t...