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Anyway, my initial impression, when I went through my first diagonal reading of this book was "what a total waste of time". However, going over it more thoroughly, I did find a few chapters that brought interesting insights.
To sum it up, I find the title misleading "Business Process Implementation: Building Workflow Systems" transmits the idea that after reading the book, you will be able to BUILD a workflow (engine). Well, forget it. The content can only qualify as a basic description of requirements, at the initial step of the life cycle: analysis. What I feel was a wrong initial decision by the authors, is that a book offering to help you build workflow systems should assume that its readers will not be knowledgeable in data structure as a minimum. But the book dedicates fully 2/3 to 3/4 of its content teaching entities, relationships and a few basic concepts about object orientation, as if the reader started out without any knowledge about Information Technology.
All in all, chapters 4, 6, part of 7, and part of 8 actually deal specifically with worflow concepts. About 65 pages out of 227 are relevant to the field (Unless you accept the authors'premise that you also need to be taught how to design your ERD).
As for the relevant part, I liked the scope of the definitions given by the authors for what should be expected of a workflow engine. The relationships between the lifecycle, stages and tasks states are clear enough so you can start sweating over writing your own algorithms. There is a much too short mention about rules, enough to let you detect a black hole there, but not enough to know what to do about it. The treatment of backtracking is useful as well as that of relevant stages for a task (have not found it mentionned in any wkf engine) and so are the general ideas of when to start and end a task to minimize the cost of backtracking.
On the down side, don't look for block diagrams, structured map, component diagrams, UML definitions, state transition diagrams, sample source code, etc. that you would need to actually build a workflow system.
But then, the question becomes more general: "Can you expect to find in a $45 book enough information and specifications to start building what it took others $100,000 or a $1,000,000?". After all, the book is based on the acquired knowledge of developping a real commercial engine, so maybe I was a little ingenuous in thinking I would find it all ready to take home. I really don't know the answer to that one. Still, as an example among many, I have a book (Simulation Modeling and Analysis, by Law and Kelton) that give you the source code for a basic simulation engine in Fortran, Pascal and C. You really know what simulation is about after reading it. Maybe MM.Jackson and Twaddle could have been slightly more detailed with their experience!
So, if you are a manager and want to understand what the salesmen from FileNet or Oak Grove, are talking about or you are suddenly developping an interest in the subject but never heard of System Architecture I, then this book is for you. To be fair, I am still looking for the right book for what I need!
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The discussion is at an architectural level and is kept independent of any particular implementation platform or specific software solution.
I liked the detailed coverage of the way in which high volume, parallel workflow can be modelled (including a diagrammatic notation). It is good to see that these concepts are proven to produce actual working systems (via the toolset which Twaddle has developed in his role as Technical Director at Beta Computers and Sherwood International).
This approach is particularly relevant when looking to move to web-based solutions (especially because of the careful attention given to the design of the workflow). At the end of each chapter there is a set of questions which helps the reader to check his/her understanding of the material. Some of these questions are quite challenging and thought provoking.
Business Process Implementation isn't a quick (or simple) read, but is a detailed and thorough coverage by two experts in the field. A 'must have' text for practitioners in this area of business.
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The inadequacies of this book inspired Jim Wight (Herriot's son) to write a truly revealing biography entitled The Real James Herriot: A Memoir of My Father, and Lord is to be thanked for that. He did his best with what little information he had, but there is no escaping the fact that he had too little information, and having read the son's memoir, I quickly found Lord's book unbearable and started skimming after a couple of chapters in the hopes of finding SOMETHING I hadn't already learned from Wight's book. I was not successful.
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I think Mr. Lord may have been well-meaning when he wrote James Herriot: Life of a Country Vet but the book is really appallingly bad. Mr. Lord has no feel for the WWII period, has done no practical research, seems to have little to no perception of human character and relies almost exclusively on gossip and word-of-mouth. One gets the impression that Mr. Lord decided before writing his book what he was going to find and proceeded to twist or ignore any information to the contrary. He relies on those "witnesses" who will tell him what he wants to hear without taking into consideration the inherent complexity of human beings. Witnesses do not always tell the truth--it is a gross error in judgment to think that one person can fully, and accurately, explain another person.
The lack of reliable facts results in Mr. Lord relying almost exclusively on guesswork, and the assumptions inherent in Mr. Lord's guesswork are almost all negative. For instance, he assumes that because he, Mr. Lord couldn't find evidence that Alf Wight's parents were musicians, ergo, they weren't, therefore Alf Wight was lying when he referred to his parents as professional musicians. The point may be debatable but in the interests of good writing, the assumption is not enough. If Mr. Lord wasn't willing to do the required research to prove the point conclusively one way or the other, he should have left it out.
Mr. Lord strikes one as the kind of man who is continually surprised by the inconsistencies of human nature. He reports with something like glee that Alf once told someone that his father died in 1961, instead of 1960. This becomes evidence for . . . the mind boggles. I'm not sure Mr. Lord himself has a clue what he is trying to accomplish in this book. Whatever it is, it suffers from an utter lack of scholarship and is therefore deeply insulting both to Alf Wight's memory and to the reader.
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As a reader, I instinctively knew that Alf Wight's books came from his life and were based on his experiences, irregardless of Graham's pathetic attempts to prove them fiction. The stories were meant to entertain and they no doubt were entertaining for Alf to write. No crime there. Alfs' characters are well portrayed. Readers are given a good look at vetting in that time and place.
Stepping away from the books then and looking at the life of the author ought not to be made into some grand disillusionment. So what if Wight's wife, Joan, put her foot down on certain issues and her husband followed her lead from time to time - or if Alf himself grew a little testy with the effects of fame? Is Graham and his holier-than-thou sources trying to tell us that Joan was a shrew and Alf got too full of himself or that he was just acting a part of modesty? All human beings run a gamut of emotions and try out certain roles within their lifetimes. Shall we focus on the more unpleasant ones and snicker over them? No thanks, Graham, not with your type.
Alf and Joan were a successfully married and hardworking couple. They raised their children well. Like many, they encountered hardships in the way of finances and they probably acquired some eccentricities and personality flaws along the way. So? The only thing Alf owed us, upon publication of his books, was an entertaining read. Judging by its' sales, that is exactly what he delivered.
On the other hand, Graham's book, 'The Life of a Country Vet' (deceivingly titled, by the way)was a skim-through. If you must read it, rent it.
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At 9x6, 110 pages, this is an awefully little book. It contains about 21 pages of text, and in the rest of the book are 162 black and white photographs.
The text is over simplified, with only seven references listed at the end. While this may be good enough to pass as a chaptor in a more comprehensive textbook, its merit doesn't justify as a stand alone book.
The photos are of very poor quality. By "poor quality" I mean both unclear (low contrast, grainy) and lack of illustrative value (what man with his right mind would demonstrate "cherry red" color in black and white? But the authors apparently think that's a good idea).
I would classify this book as a $3.99 "pulp science". Buy it and you'll regret it. You have been warned...
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Save your time and money; don't bother with this book!
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Readers should know that the organization in question is the Workflow Management Coalition, and the website is www.wfmc.org. The WfMC is releasing the Workflow Handbook 2001 in October 2000, by the way. This is the new definitive reference to workflow management, with particular attention to e-business and B2B integration. It includes the full Wf-XML specification and glossary.