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KMi Seminars
Structure Analysis of Large Software Systems
This event took place on Tuesday 25 April 2006 at 15:00

 
Dr Dirk Beyer Ecole Polytechnique F?d?rale de Lausanne (EPFL)

We present two techniques for structure analysis that scale to large software systems. In the first part, we present CrocoPat, a tool for relational programming. Its language is illustrated on small examples, and some applications to software analysis are explained. The method can be used to formulate graph analysis problems like the detection of instances of design patterns, or the computation of the transitive closure of large relations, in a simple language based on predicate logic. The second part of the talk will emphasis on co-change visualization, a technique for extracting the subsystem structure of a system from the CVS repository. CCVisu is a tool for co-change visualization. It extracts a high-level model of the change history of the software system and produces a visualization that reveals clusters of the system. The layout ensures that artifacts that were often changed together are placed at close positions.

Download PowerPoint presentation (2Mb ZIP file)

 
KMi Seminars Event | SSSW 2013, The 10th Summer School on Ontology Engineering and the Semantic Web Journal | 25 years of knowledge acquisition
 

Future Internet is...


Future Internet
With over a billion users, today's Internet is arguably the most successful human artifact ever created. The Internet's physical infrastructure, software, and content now play an integral part of the lives of everyone on the planet, whether they interact with it directly or not. Now nearing its fifth decade, the Internet has shown remarkable resilience and flexibility in the face of ever increasing numbers of users, data volume, and changing usage patterns, but faces growing challenges in meetings the needs of our knowledge society. Globally, many major initiatives are underway to address the need for more scientific research, physical infrastructure investment, better education, and better utilisation of the Internet. Within Japan, USA and Europe major new initiatives have begun in the area.

To succeed the Future Internet will need to address a number of cross-cutting challenges including:

  • Scalability in the face of peer-to-peer traffic, decentralisation, and increased openness

  • Trust when government, medical, financial, personal data are increasingly trusted to the cloud, and middleware will increasingly use dynamic service selection

  • Interoperability of semantic data and metadata, and of services which will be dynamically orchestrated

  • Pervasive usability for users of mobile devices, different languages, cultures and physical abilities

  • Mobility for users who expect a seamless experience across spaces, devices, and velocities