Dimitris Apostolou

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Recommender Systems have emerged as a way to tackle the overload of information reflected in the increasing volume of information artefacts in the web and elsewhere. Recommender Systems analyse existing information on the user activities in order to estimate future preferences. However, in real life situations, different types of information can be found(More)
Ontology development is time and money consuming as well as an error-prone process; the need for an embedded mechanism that evaluates quality and acceptance of the resultant collaborative ontology is apparent. Existing tools and methodologies lack consensus building mechanisms that must be employed in order for a team to cooperate and agree on the design(More)
Knowledge management is fast becoming the terminology of many companies’ efforts to gain competitive advantage from the efficient and effective management of their knowledge assets. Consultancies have been in the forefront of thinking about how to manage knowledge because their own success depends heavily on developing, selling, and applying ideas. This(More)
Purpose – The purpose of this paper is to explore the use of information aggregation markets (IAMs) for community-based idea management and to present IDeM, a novel Internet-based software tool that can be used for generating and evaluating new ideas utilizing the concept of IAMs. Design/methodology/approach – Starting with a review of existing methods for(More)
The increasing need of small knowledge-intensive companies for loosely-coupled collaboration and ad-hoc knowledge sharing has led to a strong requirement for an alternative approach to developing knowledge management systems. This paper proposes a framework for managing organisational knowledge that builds on a socio-technical perspective that considers(More)
The overall objective of the INKASS ("Intelligent Knowledge Asset Sharing and Trading") project is to develop an intelligent Internet-based marketplace of knowledge assets. More specifically, the project aims: • To develop and validate intelligent agent-based and ontology-enabled knowledge trading tools for facilitating automatic transactions in the(More)
Enterprise Social Software refers to open and flexible organizational systems and tools which utilize Web 2.0 technologies to stimulate participation through informal interactions. A challenge in Enterprise Social Software is to discover and maintain over time the knowledge structure of topics found relevant to the organization. Knowledge structures,(More)