Things That Can Go Wrong with Powerpoint Presentations

Chapter 17 30 THINGS THAT GO WRONG IN OBJECT MODELLING

The authors offer a catalogue of problems experiencedd by devel opers, using various object modelling techniques brought into prominence by the widespreadd adoptionn of UML standardd notations. The catalogue is revisedd to reflect changes made betweenn UML versions 1.11 andd 1.3, inn whichh a number of semantic inconsistencies inn the notationn were fixed. Notw ithstanding this, developers stil...

Hospital building in the NHS. Things that go wrong.

"And still manage to get it wrong," might be the rider added by many doctors. Criticisms of British hospitals are many and bitter. Some cannot be divorced from NHS politics. It is not due to policy alone that large sums of money were spent on teaching hospitals while patients in asylums lived in squalor, nor was it due to policy that elsewhere district general hospitals were postponed as their ...

Getting it right when things go wrong.

But What if Things go Wrong?

Building large-scale distributed systems these days is facilitated by a number of distribution frameworks. However, in practice, we see that failure handling is often treated poorly in these frameworks. An exception is transactions, which are a well-known approach for handling failure, and we see that, indeed, these distribution frameworks provide for transaction management. Transactions themse...

When Things Go Wrong: Interrupting Conversations

This paper presents a true-concurrent approach to formalising integration of Small-to-Medium Enterprises (SMEs) with Web services. Our approach formalises common notions in service-oriented computing such as conversations (interactions between clients and web services), multi-party conversations (interactions between multiple web services) and coordination protocols, which are central in a tran...