COCOMO Software Cost Estimating Model


COCOMO Versions

CO (Constructive) CO (Cost) MO (Model)
First version: 1981 by Dr. Barry Boehm
-Now known now as “COCOMO 81”
Second version: ADA Cocomo (ADA 87); parameterized exponent reflecting more modern practices and their economies of scale.
Current Version: Cocomo II (circa 2000)
Commercial take-offs
-Costar (Softstarsystems.com)
-Cost Xpert (CostXpert.com)
Regression formula, with data ta ....etc

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ABSTRACT
In today’s business where speed is of essence, an iterative development approach that
allows the functionality to be delivered in parts has become a necessity and an effective
way to manage risks. In an iterative process, the development of a software system is done
in increments, each increment forming of an iteration and resulting in a working system. A
common iterative approach is to decide what should be developed in an iteration and then
plan the iteration accordingly. A somewhat different iterative is approach is ....etc

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With the wide support for object serialization in object-oriented programming languages, persistent objects have become common place and most large object-oriented software systems rely on extensive amounts of persistent data. Such systems also evolve over time. Retrieving previously persisted objects from classes whose schema has changed is however difficult, and may lead to invalidating the consistency of the application. The ESCHER framework addresses these issues through an IDE-integrated approach that handles class schema evolution by mana ....etc

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Abstract
Development of a software project usually involves, to some extent, both modelling and
specication languages. Although both are useful in their own right, using them together
in an interconnected way brings many benets to all stages of the development process.
Work can proceed on both the model and the implementation concurrently. However, this
approach requires tool support that keeps the two versions consistent and updates them
when necessary. This report discusses the theoretical and practical considerations of a suc ....etc

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Modular Embedded Internet Software Support

The ever increasing penetration of micro processor-based embedded systems in now so many market areas and product types is leading to more and more attractive commercial opportunities. Moreover, the exponential growth of the internet in the last few years, and the consequent slump of the costs of internet services in general, made network connectivity more a must than a desirable feature in many commonly used embedded equipments. Mobile and smart phones, PDA's, Hand-held devices are today definitely ....etc

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ESTIMATION OF DEFECTS BASED ON EFECT DECAY MODEL: ED3M-- SOFTWARE ENGINEERING

An accurate prediction of the number of defects in a software product during system testing contributes not only to the management of the system testing process but also to the estimation of the productâ„¢s required maintenance. Here, a new approach, called Estimation of Defects based on Defect Decay Model (ED3M) is presented that computes an estimate the defects in an ongoing testing process. ED3M is based on estimation theory. Unlike many existing appr ....etc

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presented by:
Shige Wang
Kang G. Shin


Task Construction for Model-Based Design of Embedded Control Software
Introduction
• large embedded control systems
• problem : running such complex software with stringent timing constraints on a resource limited platform
• systematic and automatic construction of runtime tasks from software design models.
• Difficulty :
• transformation of a model in one model-of-computation (MoC) to a model in another while preserving the properties of the original mode ....etc

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