The current paper aims to study Web ontologies from a semiotic perspective. On the one hand, the study of signs is constantly used lately in the analysis of the social life, of organisations and informational systems. On the other hand, Web ontologies may be seen as systems of signs, wishing to...

Semantic web technologies are considered to be the next wave for web technologies related with rich internet web applications, content management, and document and information management. The most promising semantic web applications for business domain are considered to be the semantic web...

This paper treats with examples the practical use of Semantic Web technologies for describing business data. The main problems that the present paper addresses are related to identifying the main activities/ functions of an organization that can be represented with Semantic Web technologies. We...

The present paper treats an important aspect which concerns semantic web databases. Our research motivation is given by the problems that semantic web databases raise for the quality characteristic. We try to identify which are the main criteria to take into consideration when building a...

This paper tries to treat organizational semantic web based portals. The first part of the paper focuses on concepts regarding semantic web based portals. After discussing some concepts we treat the basic functionalities that a semantic web based portal must have and we finish by presenting...

This paper presents with examples some queries made on data sets using SPARQL. We treat the problem of available standards and tools. We show how we configure a SPARQL endpoint. Also the article treats the problem of describing data by using Resource Description Format.

This paper tries to identify some methodological consideration in building business ontologies for decision support. We treat the problems that business domain poses for knowledge engineers. We also discuss the main semantic web technologies involved in developing ontologies. We consider also...