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Target audience All In this chapter you will learn Typical applications areas for the business rules approach business rules approach applications The case study used throughout this book Key points The business rules approach applies to all kinds of industries and spheres of activities. The business rules approach applies to all organization sizes, from the smallest of enterprises to the biggest fortune 100 companies. The business rules approach has been successfully used to automate all sorts of business processes, from back-office processes to front-end processes.
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Digital Equipment Corporation was a manufacturer of mid-size time-sharing mainframes that was purchased by Compaq in 1998, which in turn merged with HP in 2002. The VAX family of computers was its flagship product line.
Safety can almost always be framed in economic terms, i.e., costs versus benefits.
Interestingly, with current technology (pre-RFID), the control operator can only “guess” what car the hot wheel belongs to, based on its position in the train, but cannot be sure because trains can exchange cars (drop some, acquire others) at different stations, and the positions – and cars – will keep shifting. Some railroad operators have a policy of not telling conductors which car has the hot wheel, as added security, and let them find out by walking along the train – which could be miles long – to find out on their own.
The costs of an accident include (1) replacing equipment, (2) repairing tracks, (3) insurance deductibles for lost merchandise, (4) costs of cleaning up spills, (5) costs of evacuations, (6) compensation to other users of the track, (7) penalties paid to local authorities and regulatory agencies, (8) costs to any litigation resulting from the accident, etc.
If the borrower has a number of outstanding loans, including credit card debt, they can borrow money from their bank to pay back their other debts.
In actual applications, there is a third outcome which sends the loan application to a loan officer for “manual underwriting,” who may ask for more information before making a final determination.
The rules illustrated in this section come from Fannie Mae’s underwriting guidelines, which set the industry standard for investment-quality mortgages – not the subprime type.
There are two possible levels of verification: we could either check that the social security is well formed or further check that it belongs to the potential customer.
We have seen insurers who have a policy of referring high-risk customers to a competitor, when they know that the competitor does have an insurance product appropriate for their profile.
The insured could be the policy holder, or a dependent or the spouse of the policy holder, e.g., for health or personal car insurance, or working for the policy holder, in case of a commercial insurance, etc.
My health insurance puts a $500 yearly cap on physiotherapy. Assume that I reach the cap within a particular year and that I submit another claim for physiotherapy for an extra $100. Should I consider my claim as eligible but adjudicated to zero, or should I consider it as not eligible since I will not get a single penny in reimbursement and does it make a difference?
For example, in the health insurance business, population aging increases the incidence of chronic age-related diseases which require different business models. Similarly, advances in medicine on one hand and changes in diet and lifestyle on the other, change the profile of medical conditions (what they are and their preponderance in the general population) that insurers have to deal with.
Jeff Foxworthy is a stand-up comedian, who has written a number of sketches that consist of sentences along the pattern “if <some condition is true>, then you might be a <some quality>.”
Barbara von Halle, Business Rules Applied, John Wiley & Sons, 2001, ISBN 0-471-41293-7
- Business Rules in Practice
Mr. Jérôme Boyer
Prof. Hafedh Mili
- Springer Berlin Heidelberg
- Chapter 2
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