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9 results on '"Allen, Tony"'

1. Practical optoelectronic neural network realizations based on the fault tolerance of the backpropagation algorithm

Author

Allen, Tony J., Hung, Keng-Shen, Curtis, K. Mervyn, and Orton, John W.

Subjects
Neural networks -- Models, Laser communication systems -- Models, Optical communications -- Research, Business, Computers, Electronics, Electronics and electrical industries
Abstract

This paper describes how the fault tolerance of the backpropagation algorithm can be used to accommodate the realistic (nonideal) transfer characteristics of the optical communication links used, between neural layers, in optoelectronic neural networks. In particular we demonstrate that networks, utilizing MSM (metal-semiconductor-metal) photodiodes (PD's) and either LED (light emitting diode) or MQW (multiple quantum well) Plaser transmitters within these intraneural links, are capable of performing satisfactorily even in the presence of such nonideal device phenomena as: 60% optical crosstalk, 50% optoelectronic device variation, or a threshtided ([I.sub.th] = 0.5 * [I.sub.max]) laser output characteristic. Subsequent to this, we then show how it is possible to use this fault tolerance to simplify the neuron architecture, to the extent that it consists only of MSM PD's, a current amplifier, and an MQW laser. The overall neuron transfer function is then a first-order approximation to the original sigmoidal function.

Published
1996

2. The Budget

Author

Done, Kevin, Cassell, Michael, Peston, Robert, Cohen, Norma, Fazey, Ian H., Marsh, Peter, Rawstorne, Philip, Tighe, Chris, Authers, John, Cheesewright, Paul, Dawnay, Ivo, Atkins, Ralph, Webb, Sara, Plender, John, Batchelor, Charles, Gammie, Malcom, Daneshkhu, Scheherazade, Allen, Tony, Coggan, Philip, Waters, Richard, Barchard, David, Griffiths, John, Tomkins, Richard, Snoddy, Raymond, and Jack, Andrew

Subjects
Budget -- Evaluation, Banking, finance and accounting industries, Business, Business, international
Abstract

An evaluation of Norman Lamont, the UK Chancellor's budget of March 1992 is presented. He has announced that a lower rate of taxation for the lower paid of 20% for the first 2,000 pounds sterling of taxable income will be introduced. Pensioners will have their allowance increased and the tax on new cars has been suspended to try to stimulate the industry. The government claims that the budget defecit will increase in the year 1992 to 1993. Exise duties on tobacco and leaded petrol have also been incresed.

Published
1992

3. Infectious uveitis

Author

Pooja Bhat, C. Stephen Foster, and Allen Tony Jackson

Subjects
Infectious uveitis, business.industry, Immunology, Medicine, business
Published
2010

4. Helping brands take on the world

Author

Allen, Tony

Subjects
Marketing -- International aspects, Brand name products -- International aspects, Advertising, marketing and public relations, Business, Business, international
Abstract

New technology enables companies to harmonise branding worldwide, but it's designers who realise and implement that global vision. The scene in Pulp Fiction where John Travolta and Samuel L Jackson [...]

Published
1999

5. British Airways' forgotten few

Author

Allen, Tony

Subjects
British Airways PLC, Integrated logistic support, Airlines, Business, Travel, recreation and leisure
Abstract

If you are travelling on BA First Class from London to Singapore, Bangkok or Sydney, or you are a BA Gold cardholder, be ready for disappointment and frustration at Heathrow. [...]

Published
2009

6. BA's forgotten few

Author

Allen, Tony

Subjects
Business, Business, international, Travel industry
Abstract

If you are travelling on BA in first class from London to Singapore, Bangkok or Sydney, or are a BA gold cardholder, be ready for disappointment and frustration at Heathrow. [...]

Published
2009

7. Keep your software on the right side of the law

Author

Allen, Tony

Subjects
Copyright, Computer software industry -- Intellectual property, Internal auditing -- Usage, Banking, finance and accounting industries, Business
Abstract

Internal auditing can help deter unauthorized reproductions of computer programs. As software packages become easier to copy, greater awareness should be imparted to all software users regarding the possible legal implications resulting from software abuse. Educating programmers of copyright rules and other legalities can help discourage the illegal copying of software packages.

Published
1992

8. Japanese and Germans face higher charges

Author

Allen, Tony and Gapper, John

Subjects
United Kingdom -- Tax policy, Budget -- Analysis, Banking, finance and accounting industries, Business, Business, international
Published
1994

9. Resource Allocation in Communication Networks Using Market-Based Agents

Author

Luc Moreau, Nadim Haque, Nicholas R. Jennings, Bramer, M, Coenen, F, Allen, T, Bramer, Max, Coenen, Frans, and Allen, Tony

Subjects
Technology, Information Systems and Management, Computer science, Distributed computing, resource allocation, Computer Science, Artificial Intelligence, Management Information Systems, 17 Psychology And Cognitive Sciences, Reverse auction, Resource (project management), Artificial Intelligence, Order (exchange), communication network, markets, Bandwidth (computing), Artificial Intelligence & Image Processing, 08 Information And Computing Sciences, Science & Technology, business.industry, Reservation, Telecommunications network, agents, Software agent, Max-min fairness, Computer Science, 15 Commerce, Management, Tourism And Services, Resource allocation, business, Software, Computer network
Abstract

This work describes a system that allocates end-to-end bandwidth, in a switched meshed communications network. The solution makes use of market-based software agents that compete in a number of decentralised marketplaces to buy and sell bandwidth resources. Agents perform a distributed depth first search with decentralised markets in order to allocate routes for calls. The approach relies on a resource reservation and commit mechanism in the network. Initial results show that under a light network load, the system sets up a high percentage of calls which is comparable to the optimum value and that, under all network loads, it performs significantly better than a random strategy.

Published
2007

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