Journal ArticleDOI
Federated database systems for managing distributed, heterogeneous, and autonomous databases
Amit P. Sheth,James A. Larson +1 more
Reads0
Chats0
TLDR
In this paper, the authors define a reference architecture for distributed database management systems from system and schema viewpoints and show how various FDBS architectures can be developed, and define a methodology for developing one of the popular architectures of an FDBS.Abstract:
A federated database system (FDBS) is a collection of cooperating database systems that are autonomous and possibly heterogeneous. In this paper, we define a reference architecture for distributed database management systems from system and schema viewpoints and show how various FDBS architectures can be developed. We then define a methodology for developing one of the popular architectures of an FDBS. Finally, we discuss critical issues related to developing and operating an FDBS.read more
Citations
More filters
Data Integration Services
TL;DR: Instead of finding relevant sources, interacting with every source and combining data from different sources, a user can ask queries in a unified way and this facilitates new functionality (OLAP, Data mining).
Proceedings ArticleDOI
Anomaly Detection using Distributed Log Data: A Lightweight Federated Learning Approach
TL;DR: In this paper, a lightweight federated learning method for anomaly detection, named FLOGCNN, using distributed log data, was proposed, which aggregates gradient updates according to the sample size of participants to generate an integrated model.
Dissertation
Using semantics to enhance query reformulation in dynamic distributed environments
TL;DR: A semantic-based approach, named SemRef, which brings together both query enrichment and query reformulation techniques in order to provide users with a set of expanded answers and takes into account the context of the user, of the query and of the environment to enhance the overall process.
Book ChapterDOI
A Single-Phase Non-Blocking Atomic Commitment Protocol
Maha Abdallah,Philippe Pucheral +1 more
TL;DR: A new ACP is proposed that provides the non-blocking property while having a lower latency than other ACPs, and preserving site autonomy, which makes it compatible with existing DBMSs.
Patent
Optimization of continuous queries in hybrid database and stream processing systems
TL;DR: In this paper, the authors present a set of software and computer implemented methods for optimizing continuous queries for hybrid execution over a stream processing engine and an in-memory database, where an optimized continuous query is generated from the identified continuous query based on the determined optimal placement decisions for each of the plurality of operators in a determined optimal plan.
References
More filters
Book
The entity-relationship model: toward a unified view of data
TL;DR: A data model, called the entity-relationship model, is proposed that incorporates some of the important semantic information about the real world and can be used as a basis for unification of different views of data: the network model, the relational model, and the entity set model.
Book
Fundamentals of Database Systems
TL;DR: Fundamentals of Database Systems combines clear explanations of theory and design, broad coverage of models and real systems, and excellent examples with up-to-date introductions to modern database technologies.
Book
An Introduction to Database Systems
TL;DR: Readers of this book will gain a strong working knowledge of the overall structure, concepts, and objectives of database systems and will become familiar with the theoretical principles underlying the construction of such systems.
Book
Principles of Distributed Database Systems
M. Tamer zsu,Patrick Valduriez +1 more
TL;DR: This third edition of a classic textbook can be used to teach at the senior undergraduate and graduate levels and concentrates on fundamental theories as well as techniques and algorithms in distributed data management.
Journal ArticleDOI
A comparative analysis of methodologies for database schema integration
TL;DR: The aim of the paper is to provide first a unifying framework for the problem of schema integration, then a comparative review of the work done thus far in this area, providing a basis for identifying strengths and weaknesses of individual methodologies, as well as general guidelines for future improvements and extensions.