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Real-Time Database Systems

Real-Time Database Systems PDF Author: Kam-Yiu Lam
Publisher: Springer Science & Business Media
ISBN: 030646988X
Category : Computers
Languages : en
Pages : 289
Book Description
In recent years, tremendous research has been devoted to the design of database systems for real-time applications, called real-time database systems (RTDBS), where transactions are associated with deadlines on their completion times, and some of the data objects in the database are associated with temporal constraints on their validity. Examples of important applications of RTDBS include stock trading systems, navigation systems and computer integrated manufacturing. Different transaction scheduling algorithms and concurrency control protocols have been proposed to satisfy transaction timing data temporal constraints. Other design issues important to the performance of a RTDBS are buffer management, index accesses and I/O scheduling. Real-Time Database Systems: Architecture and Techniques summarizes important research results in this area, and serves as an excellent reference for practitioners, researchers and educators of real-time systems and database systems.

Real-Time Database Systems

Real-Time Database Systems PDF Author: Kam-Yiu Lam
Publisher: Springer Science & Business Media
ISBN: 030646988X
Category : Computers
Languages : en
Pages : 289
Book Description
In recent years, tremendous research has been devoted to the design of database systems for real-time applications, called real-time database systems (RTDBS), where transactions are associated with deadlines on their completion times, and some of the data objects in the database are associated with temporal constraints on their validity. Examples of important applications of RTDBS include stock trading systems, navigation systems and computer integrated manufacturing. Different transaction scheduling algorithms and concurrency control protocols have been proposed to satisfy transaction timing data temporal constraints. Other design issues important to the performance of a RTDBS are buffer management, index accesses and I/O scheduling. Real-Time Database Systems: Architecture and Techniques summarizes important research results in this area, and serves as an excellent reference for practitioners, researchers and educators of real-time systems and database systems.

Real-Time Database Systems

Real-Time Database Systems PDF Author: Azer Bestavros
Publisher: Springer Science & Business Media
ISBN: 1461561612
Category : Computers
Languages : en
Pages : 368
Book Description
Despite the growing interest in Real-Time Database Systems, there is no single book that acts as a reference to academics, professionals, and practitioners who wish to understand the issues involved in the design and development of RTDBS. Real-Time Database Systems: Issues and Applications fulfills this need. This book presents the spectrum of issues that may arise in various real-time database applications, the available solutions and technologies that may be used to address these issues, and the open problems that need to be tackled in the future. With rapid advances in this area, several concepts have been proposed without a widely accepted consensus on their definitions and implications. To address this need, the first chapter is an introduction to the key RTDBS concepts and definitions, which is followed by a survey of the state of the art in RTDBS research and practice. The remainder of the book consists of four sections: models and paradigms, applications and benchmarks, scheduling and concurrency control, and experimental systems. The chapters in each section are contributed by experts in the respective areas. Real-Time Database Systems: Issues and Applications is primarily intended for practicing engineers and researchers working in the growing area of real-time database systems. For practitioners, the book will provide a much needed bridge for technology transfer and continued education. For researchers, this book will provide a comprehensive reference for well-established results. This book can also be used in a senior or graduate level course on real-time systems, real-time database systems, and database systems or closely related courses.

Active and Real-Time Database Systems (ARTDB-95)

Active and Real-Time Database Systems (ARTDB-95) PDF Author: Mikael Berndtsson
Publisher: Springer Science & Business Media
ISBN: 1447130804
Category : Computers
Languages : en
Pages : 266
Book Description
The areas of active and real-time databases have seen a tremendous growth of interest in the past few years, particularly with regard to their support of time-critical and embedded applications. ARTDB-95 provided, therefore, an important forum for researchers from both communities to discuss research results, and also to chart new directions for the future. As well as the 11 submitted papers presented at the workshop, this volume also contains 4 invited papers on the following topics: the impact of active databases on commercial practice; the optimization of active database transactions; the need for better language, compiler and tool support for real-time databases; and the origin of time constraints associated with data, events and actions. Together the papers give a comprehensive overview of current research, and will provide invaluable reading for academic and industrial researchers and students at both undergraduate and postgraduate level.

An Object-oriented Real-time Database System for Multiprocessors

An Object-oriented Real-time Database System for Multiprocessors PDF Author: Victor Bradley Lortz
Publisher:
ISBN:
Category : Object-oriented databases
Languages : en
Pages : 132
Book Description
Abstract: "Complex real-time systems need databases to support concurrent data access and provide well-defined interfaces between software modules. However, conventional database systems and prior real-time database systems do not provide the performance or predictability needed by high-speed, hard real-time applications. To address this need, we have designed, implemented, and evaluated an object-oriented software system called MDARTS (Multiprocessor Database Architecture for Real-Time Systems). MDARTS avoids the client-server overhead of most prior real-time database systems and object-oriented real-time systems by moving transaction execution into application tasks. By eliminating these sources of overhead and focusing on basic data management services for hard real-time systems (data sharing, serializable transactions, and multiprocessor support), our MDARTS prototype provides guaranteed transaction times approximately three orders of magnitude faster than prior real-time database systems. Another contribution of MDARTS is that it supports explicit declarations of real- time requirements and semantic constraints within application code. The MDARTS library examines these declarations at database object initialization time and attempts to construct objects that are compatible with the requirements. MDARTS supports both local shared-memory transactions and remote transactions that use remote procedure calls. Except for variations in transaction time guarantees, the locations and implementations of MDARTS objects are transparent to applications. MDARTS provides a C++ interface rather than a query language interface. Our MDARTS prototype runs on VME-based multiprocessors and Sun workstations, and we have used MDARTS to implement a controller for an actual manufacturing machine."

Active, Real-Time, and Temporal Database Systems

Active, Real-Time, and Temporal Database Systems PDF Author: Sten F. Andler
Publisher: Springer
ISBN: 3540491511
Category : Computers
Languages : en
Pages : 245
Book Description
Database systems of the next generation are likely to be inherently very complex due to the diversity of requirements placed on them. Incorporating active, real time, and temporal virtues in one database system is an arduous effort but is also a commend able one. This book presents the proceedings of the Second International Workshop on Active, Real Time, and Temporal Database Systems (ARTDB 97), held in Como, Milan, in September 1997. The aim of the workshop was to bring researchers together from the active and real time research communities, and to examine the current state of the art in active, real time, and temporal database systems. This book offers a collection of papers presented at the ARTDB 97 workshop. The papers, many of them representing proficient and tenable results, illuminate the feasibility of building database system supporting reactive behavior, while enforcing timeliness and predictability. The book contains nine papers carefully reviewed and accepted by the program committee, three invited papers written by prominent researchers in the field, and two summaries of the panel discussions held at the workshop. The program committee received seventeen submissions, where each submission was reviewed by at least three program committee members. The two panel sessions focused on predictability issues and on practical experience of active, real time, and temporal database systems. The ARTDB 97 workshop was held in cooperation with the IEEE Technical Committees on Real Time Systems and Complexity in Computing, and the ACM Special Interest Group on Manipulation of Data.

Real-Time Database and Information Systems: Research Advances

Real-Time Database and Information Systems: Research Advances PDF Author: Azer Bestavros
Publisher: Springer Science & Business Media
ISBN: 1461560691
Category : Computers
Languages : en
Pages : 426
Book Description
Real-time systems are defined as those for which correctness depends not only on the logical properties of the produced results, but also on the temporal properties of these results. In a database, real-time means that in addition to typical logical consistency constraints, such as a constraint on a data item's value, there are constraints on when transactions execute and on the `freshness' of the data transactions access. The challenges and tradeoffs faced by the designers of real-time database systems are quite different from those faced by the designers of general-purpose database systems. To achieve the fundamental requirements of timeliness and predictability, not only do conventional methods for scheduling and transaction management have to be redesigned, but also new concepts that have not been considered in conventional database systems or in real-time systems need to be added. Real-Time Database and Information Systems: Research Advances is devoted to new techniques for scheduling of transactions, concurrency management, transaction logging, database languages, and new distributed database architectures. Real-Time Database and Information Systems: Research Advances is primarily intended for practicing engineers and researchers working in the growing area of real-time database and information retrieval systems. For practitioners, the book will provide a much needed bridge for technology transfer and continued education. For researchers, the book will provide a comprehensive reference for well-established results. The book can also be used in a senior or graduate level course on real-time systems, real-time database systems, and database systems, or closely related courses.

Active Rules in Database Systems

Active Rules in Database Systems PDF Author: Norman W. Paton
Publisher: Springer Science & Business Media
ISBN: 1441986561
Category : Computers
Languages : en
Pages : 439
Book Description
A timely survey of the field from the point of view of some of the subject's most active researchers. Divided into several parts organized by theme, the book first covers the underlying methodology regarding active rules, followed by formal specification, rule analysis, performance analysis, and support tools. It then moves on to the implementation of active rules in a number of commercial systems, before concluding with applications and future directions for research. All researchers in databases will find this a valuable overview of the topic.

Database Systems For Advanced Applications '91 - Proceedings Of The 2nd International Symposium On Database Systems For Advanced Applications

Database Systems For Advanced Applications '91 - Proceedings Of The 2nd International Symposium On Database Systems For Advanced Applications PDF Author: Makinouchi Akifumi
Publisher: World Scientific
ISBN: 9814554588
Category :
Languages : en
Pages : 568
Book Description
This book provides an authoritative overview of the global development of surgical paediatrics. Biographical accounts of key people who developed this relatively new specialty, many of whom are now household names, are presented. The compendium also acknowledges the enormous contribution of imaging (ultrasound/MRI and PET scans), minimal invasive surgery, and fetal surgery, as well as the role of related journals and associations, in the progress of surgical paediatrics.Many of the contributors have been instrumental to the development of surgical paediatrics in their respective countries, and have considerable worldwide influence on the management of children requiring surgical care. Through their valuable insight and first-hand experience, this book not only shines a light on the past achievements of previous generations of paediatric surgeons, but also serves as a model to encourage future generations to do likewise.

Database Systems for Advanced Applications

Database Systems for Advanced Applications PDF Author: Lizhu Zhou
Publisher: Springer
ISBN: 3540320059
Category : Computers
Languages : en
Pages : 929
Book Description
On behalf of the Organizing Committee, we would like to welcome you to the proceedings of the 10th International Conference on Database Systems for Advanced Applications (DASFAA 2005).

Database Systems for Advanced Applications '93

Database Systems for Advanced Applications '93 PDF Author: S–C Moon
Publisher: World Scientific
ISBN: 9814603767
Category :
Languages : en
Pages : 468
Book Description
This proceedings volume contains 52 technical research papers on multidatabases, distributed DB, multimedia DB, object-oriented DB, real-time DB, temporal DB, deductive DB, and intelligent user interface. Some industrial papers are also included. Contents: Relational Query Formulation by Pseudonatural Language Text Manipulation (H Amano & Y Kambayashi)Efficient Global Transaction Management in Multidatabase Systems (S Mehrotra et al.)Determining Schema Interdependencies in Object-Oriented Multidatabase Systems (J Yang & M P Papazoglou)An Object-Centered Data Model for Engineering Design Databases (H Zhao & A Biliris)Generating Object-Oriented Views from an ER-Based Conceptual Schema (T-W Ling et al.)Scheduling and Concurrency Control for Real-Time Database Systems (S H Son & S Park)Query Processing Techniques in the Team-Oriented Database Query Language (J-T Horng et al.)A Knowledge Based System Converting ER Model into an Object-Oriented Database Schema (I-Y Song & H M Godsey)Logical Data Independence Via Views: A Misapprehension? (J M de Graaff et al.)Temporal Query Processing for Scene Retrieval in Motion Image Databases (J Takahashi)Qualitative Behavior Modeling of Information Processing Components (S H Oh et al.)A Multimedia Database for an Advanced Teleshopping Application (D Maino et al.) Readership: Computer scientists.