This paper is based on Osterwalder?s work for business model ontology. Business model canvas is used as a start-up attempt to improve and apply to a dynamic market, such as tech based market. Two improvements are proposed for the initial model - a new data for building blocks and new data for...

This paper proposes a model to represent people´s work from ontological business transactions according to the concepts of Activity Theory and Enterprise Ontology. With this model we aim at providing a comprehensive and structured modelling approach that, at the same time, avoids excessively...

By defining some behaviors as crimes, law defines incentives and protects society from direct and indirect, tangible and intangible negative impacts. Whatever the severity of the prescribed penalties for those that prevaricate, society and its institutions need to act at the level of law...

The electronic mail (email) is nowadays an essential communication service being widely used by most Internet users. One of the main problems affecting this service is the proliferation of unsolicited messages (usually denoted by spam) which, despite the efforts made by the research community,...

Since January 1999, according to the law, the common monetary policy for all the Economic and Monetary Union (EMU) Member States should be decided by simple majority in the Governing Council (GC) of the European Central Bank (ECB), regarding the Euro area aggregate conditions. Notwithstanding,...