We describe our use of the CoSMoS process to structure an incremental change of a biological simulation. The domain is auxin transport canalisation. An existing simulator is refactored to handle aspects of 2D and 3D space more efficiently, and enhanced to include more realistically-shaped plant cells. The CoSMoS process supports clear separation of concerns, allowing us to concentrate on the bi...

Increasingly, the internet and the web are changing the way we process information and extract knowledge from digital data. Web based applications are becoming ubiquitous and pervasive in many aspects of life. The application domains are many, including business, commerce, marketing, finance, publishing, education, research. The processing needs are also many ranging from emailing, reading news...

We describe a concrete construction of all pushout complements for two given morphisms f : A → B, m : B → D in the category of hypergraphs, valid also for the case where f, m are non-injective. To our knowledge such a construction has not been discussed before in the literature. It is based on the generation of suitable equivalence relations. We also give a combinatorial interpretation and show...