@article {Idrissi2014138, title = {Upgrading the semantics of the relational model for rich OWL 2 ontology learning}, journal = {Journal of Theoretical and Applied Information Technology}, volume = {68}, number = {1}, year = {2014}, note = {cited By 3}, pages = {138-148}, abstract = {This paper is interested in the ontology learning from relational databases (RDB) that exploits already approved semantics about a domain and translates them to application ontology. However, the relational model is recognized to be less expressive and incapable to support some conceptualizations. Without an explicit model of the domain semantics in the relational model, the automatic learning of ontology risks to infer incorrect semantics. In this paper, we give some proof case studies and we propose a model to upgrade the semantics of the relational model, before the ontology learning. The paper presents the constructs of the proposed model and it shows how they are translated to constructs of OWL 2 ontology. {\textcopyright} 2005 - 2014 JATIT and LLS. All rights reserved.}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84907749311\&partnerID=40\&md5=f93c558897cf83811272e803b0d298e7}, author = {Idrissi, B.E. and Baina, S. and Baina, K.} } @conference {Baina2013, title = {User experience-based evaluation of open source workflow systems: The cases of Bonita, Activiti, jBPM, and Intalio}, booktitle = {2013 3rd International Symposium ISKO-Maghreb}, year = {2013}, note = {cited By 0}, abstract = {The task of selecting a workflow system becomes more and more complex and risky. For this reason, organisations require a broad, and a clear vision of which workflow engines are, and will continue to be, suitable for changing requirements. This paper presents a user experience based evaluation model for workflow systems to analyse, compare, and select business process management modelling and enactment systems according to user specific requirements. After the description of the underlying worflow system evaluation model itself, we experiment it to assess criteria satisfaction on four open source workflow systems Bonita, Activiti, jBPM, and Intalio. {\textcopyright} 2013 IEEE.}, doi = {10.1109/ISKO-Maghreb.2013.6728122}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84894193092\&doi=10.1109\%2fISKO-Maghreb.2013.6728122\&partnerID=40\&md5=0c61b33a2afdcf09570670c26426a6c3}, author = {Baina, K. and Baina, S.} }