Computer Weekly Professional Series: Data modeling and Process modeling: Using the Most Popular Methods focuses on the processes, methodologies, and approaches employed in data modeling and process modeling. The book first offers information on data modeling, how to do data modeling, and process modeling. Discussions focus on diagrammatic representation, main concepts of process modeling, merging the models, refining the data model, diagrammatic techniques, fundamental rules of data modeling, and other deliverables of data modeling. The text then examines how to do process modeling and improving a system using analysis deliverables. Topics include problems, causes and effects, events, obligations and objectives, verification methods, and refining the results. The manuscript reviews elementary activities, including structured text and access paths, updating the data model from the access paths and structured English, and other useful detailed deliverables of an elementary activity. The publication is a valuable source of data for researchers interested in data modeling and process modeling.
DCOM Explained describes what services DCOM provides, both development and runtime. Thus the aim of the book is not to teach how to program using DCOM, but to explain what DCOM does so readers will become better able to use it more effectively, understand the options available when using DCOM, and understand the types of applications that can be built by using DCOM. This book describes: what each of the services mean, including load balancing, security, guaranteed delivery, deferred delivery, broadcasting and multi-casting, and session handling what the service aims to do, such as saving time and effort or providing a secure, resilient, reliable, high performance network how the service could be provided, and what other solutions exist for achieving the same end how Microsoft has tackled the problem Provides a complete, easy to understand, and compact picture of all the services of DCOM Written from a designer or manager's point of view Compares DCOM with other middleware
Analysis within the Systems Development Life-Cycle: Book 4, Activity Analysis—The Methods describes the techniques and concepts for carrying out activity analysis within the systems development life-cycle. Reference is made to the deliverables of data analysis and more than one method of analysis, each a viable alternative to the other, are discussed. The ""bottom-up"" and ""top-down"" methods are highlighted. Comprised of seven chapters, this book illustrates how dependent data and activities are on each other. This point is especially brought home when the task of inventing new business activities is discussed, and the data model is changed with completely new entity types—the invention of the user and analyst being added—and ""old"" entity types being removed when the activities of the business are changed. The relevance of PROLOG, LISP, knowledge bases, and expert systems is considered, and these areas of interest are brought together into the fold of ""conventional"" systems development. Finally, this text shows how the ""rules"" of the knowledge base and the ""deduction"" clauses are directly related to the activity concepts. This monograph will be a valuable resource for systems analysts and designers and those who are involved in expert systems.
A Simple Introduction to Data and Activity Analysis provides an introduction to the main concepts embodied in the analysis techniques. This book provides a more balanced picture of the methods of the analysis by showing what deliverables are collected as well as how to obtain them. Organized into eight chapters, this book begins with an overview of some of the activities that need to be done to analyze the business and some of the end and intermediate deliverables produced by these activities. This text then explains how to get the activity analysis deliverables. Other chapters consider the causes and effects of problems in business. This book discusses as well how activities can be decomposed or broken down into more and more detailed activities, using the techniques of activity decomposition and data flow diagramming. The final chapter deals with the methods of analysis that show how different types of input could be converted into the data and activity models. This book is a valuable resource for computer programmers.
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