Databases And Information Systems V
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Databases and Information Systems V
The Eighth International Baltic Conference on Databases and Information Systems took place on June 2–5 2008 in Tallinn, Estonia. This conference is continuing a series of successful bi-annual Baltic conferences on databases and information systems (IS). The aim is to provide a wide international forum for academics and practitioners in the field of databases and modern information systems for exchanging their achievements in this area. The original research results presented in Databases and Information Systems V mostly belong to novel fields of IS and database research such as database technology and the semantic web, ontology-based IS, IS and AI technologies and IS integration. The contribution of Dr. Jari PalomÄki showed how different ontological commitments affect the way we are modeling the world when creating an information system. As semantic technologies have been gaining more attention recently, a special session on semantic interoperability of IS was organized. The invited talks from each Baltic State gave a good insight how semantic interoperability initiatives are developing in each of the Baltic States and how they relate to the European semantic interoperability framework.
Logics for Databases and Information Systems
Author: Jan Chomicki
language: en
Publisher: Springer Science & Business Media
Release Date: 2012-12-06
Time is ubiquitous in information systems. Almost every enterprise faces the problem of its data becoming out of date. However, such data is often valu able, so it should be archived and some means to access it should be provided. Also, some data may be inherently historical, e.g., medical, cadastral, or ju dicial records. Temporal databases provide a uniform and systematic way of dealing with historical data. Many languages have been proposed for tem poral databases, among others temporal logic. Temporal logic combines ab stract, formal semantics with the amenability to efficient implementation. This chapter shows how temporal logic can be used in temporal database applica tions. Rather than presenting new results, we report on recent developments and survey the field in a systematic way using a unified formal framework [GHR94; Ch094]. The handbook [GHR94] is a comprehensive reference on mathematical foundations of temporal logic. In this chapter we study how temporal logic is used as a query and integrity constraint language. Consequently, model-theoretic notions, particularly for mula satisfaction, are of primary interest. Axiomatic systems and proof meth ods for temporal logic [GHR94] have found so far relatively few applications in the context of information systems. Moreover, one needs to bear in mind that for the standard linearly-ordered time domains temporal logic is not re cursively axiomatizable [GHR94]' so recursive axiomatizations are by necessity incomplete.
Enterprise Information Systems V
Author: Olivier Camp
language: en
Publisher: Springer Science & Business Media
Release Date: 2004-07-20
The purpose of the 5th International Conference on Enterprise Information Systems (ICEIS'2003) was to bring together researchers, engineers and practitioners interested in the advances and business applications of information systems. The conference focused mainly on the following main topics : Information Systems: Databases and Information Systems Integration, Artificial Intelligence and Decision Support Systems, Information Systems Analysis and Specification and Software Agents and Internet Computing. This volume presents selected papers presented at ICEIS'2003. It also includes contributions by some of the invited speakers of the conferences. Audience: This book will be of interest to information technology professionals, especially those working in the fields of Systems integration, databases, decision support systems, agents and internet computing. It will also be of use to managers working with information systems and requiring knowledge of current trends in development methods and applications.