Selected keynote papers from the 2011 OR Society Conference: any evidence from the UK that OR 'bridges the gap'? 24 Jul 2013 | 07:39 pm

Exact and approximate solutions for fulfilment metrics in open pipeline order fulfilment systems 24 Jul 2013 | 07:39 pm

Open pipeline order fulfilment systems have emerged in sectors such as the automotive industry that offer a large number of product variants to the marketplace. In an open pipeline a customer can be f...

The use of analogies in forecasting the annual sales of new electronics products 24 Jul 2013 | 07:39 pm

Mathematical models are often used to describe the sales and adoption patterns of products in the years following their launch and one of the most popular of these models is the Bass model. However, u...

Net present value analysis of the economic production quantity 24 Jul 2013 | 07:39 pm

Using Laplace transforms we extend the economic production quantity (EPQ) model by analysing cash flows from a net present value (NPV) viewpoint. We obtain an exact expression for the present value of...

Modelling on-line reliability and risk to schedule the preventive maintenance of repairable assets in network utilities 24 Jul 2013 | 07:39 pm

This paper presents a methodology and a case study where the proportional hazards model is used to determine the reliability and risk of existing repairable systems in a distribution network utility. ...

Metaheuristics for dynamic combinatorial optimization problems 24 Jul 2013 | 07:39 pm

Many real-world optimization problems are combinatorial optimization problems subject to dynamic environments. In such dynamic combinatorial optimization problems (DCOPs), the objective, decision vari...

25 Years of MCDA in nuclear emergency management 24 Jul 2013 | 07:39 pm

Radiation accidents such as those at Three Mile Island, Chernobyl and, more recently, Fukushima have emphasized the need for supporting all phases of emergency management from the early phases in whic...

Guest editorial 22 Apr 2013 | 07:37 pm

Objective time-binning in exposure variation analysis 22 Apr 2013 | 07:37 pm

The development of optimized training regimens requires a comprehensive understanding of traininginduced adaptations using a combination of laboratory-based and field-based research methods. Fieldbase...

Kelly's fractional staking updated for betting exchanges 22 Apr 2013 | 07:37 pm

In 1956, Kelly developed a staking system to calculate the optimal fraction of wealth to bet on each of a series of favourable bets. In line with historical betting markets, Kelly considered only back...