this paper presents a new mathematical model for a bi-objective job shop scheduling problem with sequence-dependent setup times that minimizes the weighted mean completion time and the weighted mean tardiness time. for solving this multi-objective model, we develop a fuzzy multi-objective linear programming (fmolp) model. in this problem, a proposed fmolp method is applied with respect to the o...

Existing research suggests that effective interfirm collaboration in the development of new process technologies involves close, dyadic relationships between users and suppliers. Shared goals, common assumptions, and long term i elationships ar^ salient features of the model. This paper develops an alternative, fluid model of interfirm collaboration involving multiple weak linkages among organi...

This paper presents the design and development of a VLE for a M.Sc. programme on information and communication technologies (ICTs) in education for sustainable development (ESD) driven by a learning paradigm that merges three theories of learning, namely: experiential learning, constructivist learning and transformative learning (ExConTra) funded by the European Commission. Learning activities ...

The creation process of Artificial Neural Networks (ANNs) used to be quite slow and the human expert had to test several architectures until finding the one that achieves the best results for the solution of a certain problem. This work presents a new technique that uses Genetic Programming (GP) for automatically creating ANNs. This technique also allows the obtaining of simplified networks wit...

The length factor artificial neural network method for solving differential equations has previously been shown to successfully solve boundary value problems involving partial differential equations. This manuscript extends the method to solve coupled systems of partial differential equations, including accurate approximation of local Nusselt numbers in boundary layers and solving the Navier-St...

Recent studies have pointed out several limitations of expert systems regarding user needs, and have introduced the concepts of cooperation and joint cognitive systems in the focus of AI. While research on explanation generation by expert systems has been widely developed, there has been little consideration of explanation in relation to cooperative systems. Our aim is to elaborate a conceptual...

In this article we present an algorithm for converting a network problem with several sources and several sinks including several transfer nodes and condition of supplying the demand of any sink from a particular source to the transportation problem.  Towards this end, and considering the very special structure of transportation algorithm, after implementing the shortest path algorithm or ...