One of the techniques used to support decisions in uncertain environments is the Fuzzy TOPSIS method. However, from crisp data, this method considers only one fuzzy set in their a...
Abstract. This paper is concerned with the question of quantifying gradient degrees of acceptability by introducing the notion of Density in the context of constructional constrain...
Social Tagging Systems (STS) empower users to classify and organize resources and to improve the retrieval performance over the tagged resources. In this paper we argue that the po...
This paper discusses the meaning of the term “information systems engineering”. It does so by giving an account of five notions embedded in the term, hence arriving to a conclu...
Information Systems (IS) have a major impact on human activities. They are not only "objects or products" because they directly concern our access to knowledge, our possi...