Modelling Database Dynamics
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Modelling Database Dynamics
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Author : Udo W. Lipeck
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Modelling Database Dynamics written by Udo W. Lipeck and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Computers categories.
Database modelling is concerned with the design of reliable and efficient database systems. Three different approaches to modelling can be identified: structure-oriented, process-oriented, and behaviour-oriented. Database literature has traditionally focused on structure-oriented approaches, but it is now widely recognised that problems can be solved more effectively by integrating all three. As a result, modelling database dynamics is now considered to be as important as modelling static database structures. This volume contains selected papers from the Fourth International Workshop on Foundations of Models and Languages for Data and Objects, held in Volkse, Germany, 19-22 October, 1992. This series of international workshops was initiated by the Working Group on Foundations of Information Systems, part of the German Association for Informatics. It provides an international forum for the discussion of current research into database theory and its application to database technology. The theme of this particular workshop was modelling the dynamic behaviour of database systems in formal frameworks. As object-oriented principles are being widely used in current research work, particular emphasis was also given to object dynamics. Among the topics covered in this volume are: specifying the dynamics of complex objects databases; updates in a rule-based language for objects; an order-sorted approach to active objects; non-deterministic aspects of database transformations involving object creation; monitoring temporal permissions using partially evaluated transition graphs; a formalisation of logic databases and integrity constraints; a comparison of approaches for modelling dynamics of databases. Modelling Database Dynamics provides a comprehensive overview of current research into the modelling and use of database dynamics. It will provide invaluable reading for researchers, postgraduate students, and anyone interested in the theoretical foundations of computer science.
Entity Relationship Approach Er 94 Business Modelling And Re Engineering
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Author : Pericles Loucopoulos
language : en
Publisher: Springer Science & Business Media
Release Date : 1994-11-30
Entity Relationship Approach Er 94 Business Modelling And Re Engineering written by Pericles Loucopoulos and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-11-30 with Business & Economics categories.
This volume constitutes the proceedings of the 13th International Conference on the Entity-Relationship Approach, ER '94, held in Manchester, UK in December 1994. The ER '94 book is devoted to business modelling and re-engineering and provides a balanced view between research and practical experience. The 34 full revised papers presented are organized in sections on business process modelling, enterprise modelling, systems evolution, modelling integrity constraints, object-oriented databases, active databases, CASE, reverse engineering, information system modelling, schema coordination, and re-engineering.
Chinagem A Dynamic General Equilibrium Model Of China Theory Data And Applications
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Author : Xiujian Peng
language : en
Publisher: Springer Nature
Release Date : 2023-08-23
Chinagem A Dynamic General Equilibrium Model Of China Theory Data And Applications written by Xiujian Peng and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-23 with Business & Economics categories.
This book contains detailed documentation of the CHINAGEM model - a large-scale dynamic computable general equilibrium (CGE) model of China and its applications. Specifically, this book documents the theory and database behind the CHINAGEM model. This book explores the closure development for the four simulation modes of the model including historical, decomposition, forecast and policy simulations, the detailed explanation of how to analyze simulation results, and the extensions of CHINAGEM and their applications. These extensions include several innovative modules and case studies as examples of the application of CHINAGEM. This book provides an entry point for CGE modellers to develop their analytical skills. This book can also be used as a platform for research institutes to develop CGE models suitable for their research portfolio. The module developments included in this book are designed to capture the specific features of the Chinese economy. The applications of these modules chosen in the book cover hot policy issues in China, and the simulation results have valuable policy implications. This book identifies that the CHINAGEM model itself and all the extensions can be used for analysing many new topics and policy issues such as the effects of the USA–China trade war, the effects of Made in China 2025 Plan as well as China’s commitment to the carbon neutrality before 2060 and its economic implications.
Transactions And Database Dynamics
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Author : Gunter Saake
language : en
Publisher: Springer
Release Date : 2003-06-26
Transactions And Database Dynamics written by Gunter Saake and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-06-26 with Computers categories.
These post-proceedings contain the revised versions of the accepted papers of the international workshop \Transactions and Database Dynamics", which was the eighth workshop in a series focusing on foundations of models and languages for data and objects (FoMLaDO). Seven long papers and three short papers were accepted for inclusion in the proceedings. The papers address various issues of transactions and database dynamics: { criteria and protocols for global snapshot isolation in federated transaction management, { uni ed theory of concurrency control and replication control, { speci cation of evolving information systems, { inheritance mechanisms for deductive object databases with updates, { speci cation of active rules for maintaining database consistency, { integrity checking in subtransactions, { open nested transactions for multi-tier architectures, { declarative speci cation of transactions with static and dynamic integrity constraints, { logic-based speci cation of update queries as open nested transactions, and { execution guarantees and transactional processes in electronic commerce payments. In addition to the regular papers, there are papers resulting from two working groups. The rst working group paper discusses the basis for transactional c- putation. In particular, it addresses the speci cation of transactional software. The second working group paper focuses on transactions in electronic commerce applications. Among others, Internet transactions, payment protocols, and c- currency control and persistence mechanisms are discussed. Moreover, there is an invited paper by Jari Veijalainen which discusses tr- sactional aspects in mobile electronic commerce.
A Dynamic Use Of Survey Data And High Frequency Model Forecasting
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Author : Yoshihisa Inada
language : en
Publisher: World Scientific
Release Date : 2018-03-08
A Dynamic Use Of Survey Data And High Frequency Model Forecasting written by Yoshihisa Inada and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-08 with Business & Economics categories.
This volume investigates the accuracy and dynamic performance of a high-frequency forecast model for the Japanese and United States economies based on the Current Quarter Model (CQM) or High Frequency Model (HFM) developed by the late Professor Emeritus Lawrence R. Klein. It also presents a survey of recent developments in high-frequency forecasts and gives an example application of the CQM model in forecasting Gross Regional Products (GRPs).
Dynamic Modelling
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Author : Alisson Brito
language : en
Publisher: BoD – Books on Demand
Release Date : 2010-01-01
Dynamic Modelling written by Alisson Brito and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-01-01 with Computers categories.
When talking about modelling it is natural to talk about simulation. Simulation is the imitation of the operation of a real-world process or systems over time. The objective is to generate a history of the model and the observation of that history helps us understand how the real-world system works, not necessarily involving the real-world into this process. A system (or process) model takes the form of a set of assumptions concerning its operation. In a model mathematical and logical assumptions are considered, and entities and their relationship are delimited. The objective of a model – and its respective simulation – is to answer a vast number of “what-if” questions. Some questions answered in this book are: What if the power distribution system does not work as expected? What if the produced ships were not able to transport all the demanded containers through the Yangtze River in China? And, what if an installed wind farm does not produce the expected amount of energyt? Answering these questions without a dynamic simulation model could be extremely expensive or even impossible in some cases and this book aims to present possible solutions to these problems.
The Cambridge Multisectoral Dynamic Model
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Author : Terry Barker
language : en
Publisher: Cambridge University Press
Release Date : 1987
The Cambridge Multisectoral Dynamic Model written by Terry Barker and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Business & Economics categories.
This 1998 book presents the econometric analysis of single-equation and simultaneous-equation models in which the jointly dependent variables can be continuous, categorical, or truncated. Despite the traditional emphasis on continuous variables in econometrics, many of the economic variables encountered in practice are categorical (those for which a suitable category can be found but where no actual measurement exists) or truncated (those that can be observed only in certain range). Such variables are involved, for example, in models of occupational choice, choice of tenture in housing, and choice of type of schooling. Models with regulated prices and rationing and models for program evaluation also represent areas of application for the techniques presented by the author.
Entity Relationship Modeling
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Author : Bernhard Thalheim
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Entity Relationship Modeling written by Bernhard Thalheim and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Computers categories.
Database technology and entity-relationship (ER) modeling have meanwhile reached the level of an established technology. This book presents the achievements of research in this field in a comprehensive survey. It deals with the entity-relationship model and its extensions with regard to an integrated development and modeling of database applications and, consequently, the specification of structures, behavior and interaction. Apart from research on the ER model and the syntax, semantics, and pragmatics of database modeling the book also presents techniques for the translation of the ER model into classical database models and languages such as relational, hierarchical, and network models and languages, and also into object-oriented models. The book is of interest for all database theoreticians as well as practitioners who are provided with the relevant foundations of database modeling.
Application Of Geographic Information Systems In Hydrology And Water Resources Management
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Author : Karel Kovar
language : en
Publisher: IAHS Press
Release Date : 1996
Application Of Geographic Information Systems In Hydrology And Water Resources Management written by Karel Kovar and has been published by IAHS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Geographic information systems categories.
Asp Net Dynamic Data Unleashed
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Author : Oleg Sych
language : en
Publisher: Sams Publishing
Release Date : 2012-05-22
Asp Net Dynamic Data Unleashed written by Oleg Sych and has been published by Sams Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-05-22 with Computers categories.
Using Dynamic Data, ASP.NET developers can create powerful, datadriven sites with amazing speed and efficiency, eliminating massive amounts of manual coding. ASP.NET Dynamic Data Unleashed is the first complete, practical guide to Dynamic Data for every experienced ASP.NET developer. The author thoroughly demystifies Dynamic Data, helping developers understand exactly what they can do with the framework and make it more accessible than ever before. He provides tested code to solve a wide variety of problems, explains how and why that code works, and identifies key tradeoffs and alternatives. Packed with breakthrough techniques for improving developer productivity, this book combines a hands-on tutorial, “drill-down” explanations of advanced techniques, and real-world development scenarios. Detailed information on how to... Use Dynamic Data components to overcome common real-world user interface development challenges Understand how ASP.NET Dynamic Data builds on strengths of WebForms, Entity Framework, and LINQ Develop simple custom templates to dramatically reduce code duplication Generalize templates to leverage metadata and generate user interfaces dynamically Create web pages for data entry, data filtering, and diverse views of data Use Data Annotations to implement powerful validation logic Write simple, yet effective automated tests to systematically verify the business logic Create complex interaction rules that aren’t limited by single entity objects or types Optimize I/O-bound business logic by implementing it with T-SQL constraints, stored procedures, and triggers Implement role-based security with dynamic UI trimming Generate entire data-driven web applications, complete with CRUD pages, complex business rules, integrated navigation, and security Extend Dynamic Data to support advanced scenarios Decide when Dynamic Data should be used instead of or together with ASP.NET MVC