This thesis is two fold. The first part deals with an existence proof of a formal algorithm that takes a narrative discourse and returns its semantic representation in the Event Calculus (EC from now on) [19]. This algorithm uses Discourse Representation Theory, and takes on the form of a translation from Discourse Representation Structures to Scenarios and Integrity Constraints in EC. The seco...

The issue of the integrity of edible oils and fats can be considered in three main areas of safety, authenticity and quality in accordance with the standardization approach. Safety is the most essential part of the food, including edible oils, due to effects on health of consumers. Authenticity equivalent to purity is also an important aspect of this approach. The nature and prevention of fraud...

the astonishing advance of medical science in recent decades has had endless advantages for humans, including improved level of health, prevention of disease and advances in treatment. these advances depend to a great extent on conducting continuous research. however, besides its enormous advantages, the sole interest of medical science undermines the principles of respect for human vulnerabili...