Many modern database applications require content-based similarity search capability in numeric attribute space. Further, users’ notion of similarity varies between search sessions. Therefore online techniques for adaptively refining the similarity metric based on relevance feedback from the user are necessary. Existing methods use retrieved items marked relevant by the user to refine the simil...

Action research is seen as one of the solutions to the lack of relevance in the field of information systems because action research has as its primary goal to combine successful intervention in real-world settings with the development of scientific knowledge. The rigor of action research, however, has been questioned regularly. The IS field lacks a set of generally agreed guidelines and criter...

Accessing relevant legal information found in text excerpts from heterogeneous sources is essential to the decision making process in consumer disputes. The Ontology of Relevant Legal Information in Consumer Disputes (ric) is the domain-independent ontology modeling this relevant legal information comprising rights, their requisites, exceptions, constraints, enforcement procedures, legal source...

I consider a model where a principal decides whether to produce one unit of an indivisible good (e.g. a private school) and which characteristics (emphasis on language or science) it will contain. Agents (parents) are differentiated along two dimensions: a vertical parameter that captures their privately known valuation for the good (demand for private education), and an horizontal parameter th...

This paper presents a framework which can be used to analyze information systems as knowledge flow facilitators in organizational processes. This framework may be useful, particularly to small organizations, for two main reasons: it can help them to start seeing the implications of KM in their current technical infrastructure, and as a result, they should be in a better position to know how to ...

This paper studies cooperation in multi-agent systems. In particular, we focus on the notion of relevance underlying cooperation. Given an agent who has some information need, we characterize pieces of information that are relevant to her. This characterization is done in a multi-modal logic. Finally, we give a formal de nition for cooperation.

Although personality has been one of the most-studied factors in management and decision-making research, this stream of research has generated inconsistent support for the relationship between personality traits and individuals’ susceptibility to heuristics, and therefore biased judgment. The aim of this study is to investigate how the provision of correct information and individual difference...

The domain of analysis and conception of Decisional Information System (DIS) is, highly, applying new techniques and methods to succeed the process of the decision and minimizing the time of conception. Our objective in this paper is to define a group of patterns to ensure a systematic reuse of our approach to analyse a DIS’s business requirements. We seek, through this work, to guide the disco...