A key issue in learning from observations is to build a classification of given objects or situations. Conceptual clustering methods address this problem of recognizing regularities among as set of objects that have not been pre-classified, so as to organize them into a hierarchy of concepts. Early approaches have been limited to unstructured domains, in which objects are described by fixed set...

The research on organizational semiotics deals predominantly with the question of how to bring the notion of information to bear on semiotically conceived accounts of human organizations. In this talk, I take up what I perceive as some of the key theoretical and conceptual elements involved in this endeavour. I will assess their status from the points of view of philosophy of science and Peirce...

A Web Application must have a precise semantics. In currently Web Engineering environments, this can be achieved either by specifying a Web Conceptual Schema, or by using a Semantic Web-language where the Web Application meaning is properly captured. In any case, the set of relevant conceptual primitives has to be properly represented. In this paper both approaches are studied as two different ...

Text mining is defined as knowledge discovery in large text collections. It detects interesting patterns such as clusters, associations, deviations, similarities, and differences in sets of texts. Current text mining methods use simplistic representations of text contents, such as keyword vectors, which imply serious limitations on the kind and meaningfulness of possible discoveries. We show ho...

Interest in evaluating conceptual modelling techniques has recently experienced a revival, in part due to widespread adoption of the Unified Modelling Language (UML). In addition, the use of ontology as a framework for evaluating conceptual modelling techniques has gained acceptance. In this paper, we consider implications of applying one aspect of the ontology of Mario Bunge to conceptual mode...

increasing complexity of treatment and current psychological health problems reveals the importance of uniqueness psychological health care in the nursing profession . therefore the need to have a clear conceptual base in psychological nursing is recommended. often psychological nurses have accepted a modified approach about collaborative interaction in current theories (such as psychoanalyses ...

Hodgkin's disease is one of the first cancerous diseases for which effective treatment options have been developed. While this disease still ended lethally earlier, the prognosis is very good today. This is particularly due to the radiation sensitivity of lymphoma. 80 % of the patients can be cured permanently. This article provides a comprehensive overview of the hematologic disease, the sympt...

theorization in sociological literature in general and in sociology of the family in particular suffers from conceptual confusion. the proposer of the concept: “iranian tripod system” tries to analyze the family situation and its changes in iran through modernity. the present paper studies the conceptual framework of iranian tripod system and its related quadrilateral concepts: “iranian society...

In today's increasingly competitive business environment, the use of knowledge to gain a competitive advantage has become a serious concern for all organisations. However, despite the increasing number of studies relating to Knowledge Management (KM) in developed countries, few studies have explored this issue within the context of developing countries. Moreover, some industries have been affec...