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Chapter 5 – System Modeling - Pace

Chapter 5 System Modeling Summary 1 Chapter 5 System Modeling Topics covered Context models Interaction models Structural models Behavioral models model -driven engineering 2 Chapter 5 System Modeling System Modeling System Modeling is the process of developing abstract models of a System , with each model presenting a different view or perspective of that System . System Modeling has now come to mean representing a System using some kind of graphical notation, which is now almost always based on notations in the Unified Modeling Language (UML). System modelling helps the analyst to understand the functionality of the System and models are used to communicate with customers. 3 Chapter 5 System Modeling Existing and planned System models Models of the existing System are used during requirements engineering.

Structural models •Structural models of software display the organization of a system in terms of the components that make up that system and their relationships. •Structural models may be static models, which show the structure of the system design, or dynamic models, which show the organization of the system when it is executing.

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Chapter 5 – System Modeling - Pace

csis.pace.edu

Data-driven modeling •Many business systems are data-processing systems that are primarily driven by data. They are controlled by the data input to the system, with relatively little external event processing. •Data-driven models show the sequence of actions involved in processing input data and generating an associated output.

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A Tutorial on XHTML and XML - SEIDENBERG …

csis.pace.edu

1 Web Pages Using Web Standards 1.1 Overview 1.2 Web Architecture 1.3 HTML Basics 1.4 Cascading Style Sheets (CSS) 1.5 HTML Forms and HTTP Basics

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Use Case Diagrams - SEIDENBERG SCHOOL OF CSIS

csis.pace.edu

What is a use case? ... • Include all user roles that interact with the system • Include system components only if they responsible for initiating/triggering a use case. • For example, a timer that triggers sending of an e-mail ... Use Case Diagrams •A picture •describes how actors relate to use cases

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Classification of Titanic Passenger Data and Chances of ...

csis.pace.edu

Classification of Titanic Passenger Data . and Chances of Surviving the Disaster . Data Mining with Weka and Kaggle Competition Data . Shawn Cicoria, John Sherlock, Manoj Muniswamaiah, and Lauren Clarke . Seidenberg School of CSIS, Pace University, White Plains, New York .

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Chapter 9 – Software Evolution

csis.pace.edu

–The evolution team may expect detailed documentation to support evolution and this is not produced in agile processes. •Where a plan-based approach has been used for development but the evolution team prefer to use agile methods. –The evolution team may have to start from scratch developing automated tests and the code in the system

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Chapter 8 – Software Testing - Pace

csis.pace.edu

•Development testing is the responsibility of the software development team. A separate team should be responsible for testing a system before it is released to customers. •Development testing includes unit testing, in which you test individual objects and methods component testing in which you test related groups of objects and

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Sequence Diagram Tutorial - Pace

csis.pace.edu

UML Distilled, Third Edition, Chapter 4 M. Fowler . Use Cases and Scenarios • A use case is a collection of interactions between external actors and a system • In UML, a use case is “the specification of a sequence of actions, including

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How to Make a Domain Model Tutorial - Pace

csis.pace.edu

2. Draw them in a UML domain model 3. Add associations necessary to record the relationships that must be retained 4. Add attributes necessary for information to be preserved 5. Use existing names for things, the vocabulary of the domain

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Chapter 7 – Design and Implementation

csis.pace.edu

• Use a scenario-based analysis. The objects, attributes and methods in each scenario are identified. Chapter 7 Design and implementation 16 . Weather station description A weather …

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Iometer User's Guide - Pace

csis.pace.edu

1. Introduction Iometer is an I/O subsystem measurement and characterization tool for single and clustered systems. Iometer is pronounced “eye-OM-i-ter,” to rhyme with “thermometer.” Iometer does for a computer’s I/O subsystem what a dynamometer does for an engine: it measures performance under a controlled load.

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