Overview

network modelling


'network modelling' can also refer to...

network modelling

Network Models

network model

network modelling

CODASYL network model

Models of network formation A discussion of models of the formation of networks, particularly models of networks that grow by addition of vertices, such as the World Wide Web or citation networks

Other network models A brief introduction to two specialized network models, the small-world model and the exponential random graph

Neural network models

CODASYL network model

network model n.

network performance model

distributed network model n.

distributed network model

Random models of networks

Models of Cortical Networks

Queuing and Network Models

distributed network model n.

CODASYL network model

network model n.

 

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Quick Reference

Techniques that enable complex projects to be scheduled, taking into account the precedence of each activity.

Critical-path analysis (CPA) involves identifying all the activities that constitute the project to be modelled, determining their sequence or order of precedence, and estimating the time required for each activity. This information is used to build a graphical representation of the whole project and to establish the chain of activities that defines its overall length, i.e. the critical path. As well as being a powerful analytical tool, the visual qualities of CPA charts make them extremely useful aids to communications. With computer-based CPA programmes, managers can produce rapid updates when unexpected changes occur (e.g. the failure to complete an activity on time). These programmes also enable the appropriate resources to be allocated to the activities and detailed costings to be produced. The key to their successful use is that they should be updated continuously. Considerable resources are required to produce a CPA; if changes, postponements, etc., are not noted the chart quickly becomes irrelevant.

Programme evaluation and review technique (PERT) was developed in 1958 by the US Navy to assist in the construction of the first Polaris submarines. It is based on the same principles as CPA but uses statistical techniques to project optimistic, most probable, and pessimistic times for each activity.

Subjects: Business and Management.


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