Logics For Databases And Information Systems

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Logics for Databases and Information Systems

Jan Chomicki,Gunter Saake
Logics for Databases and Information Systems Book PDF

Author : Jan Chomicki,Gunter Saake
Publisher : Springer Science & Business Media
Page : 442 pages
File Size : 41,9 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9781461556435

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Logics for Databases and Information Systems by Jan Chomicki,Gunter Saake Pdf

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 Almost every enterprise faces the problem of its data becoming out of date.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.

Logics for Emerging Applications of Databases

Jan Chomicki,Ron van der Meyden,Gunter Saake
Logics for Emerging Applications of Databases Book PDF

Author : Jan Chomicki,Ron van der Meyden,Gunter Saake
Publisher : Springer Science & Business Media
Page : 375 pages
File Size : 43,5 Mb
Release : 2011-06-28
Category : Computers
ISBN : 9783642186905

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Logics for Emerging Applications of Databases by Jan Chomicki,Ron van der Meyden,Gunter Saake Pdf

In this era of heterogeneous and distributed data sources, ranging from semistructured documents to knowledge about coordination processes or workflows, logic provides a rich set of tools and techniques with which to address the questions of how to represent, query and reason about complex data. This book provides a state-of-the-art overview of research on the application of logic-based methods to information systems, covering highly topical and emerging fields: XML programming and querying, intelligent agents, workflow modeling and verification, data integration, temporal and dynamic information, data mining, authorization, and security. It provides both scientists and graduate students with a wealth of material and references for their own research and education.

Foundations of Knowledge Base Management

Joachim W. Schmidt,Costantino Thanos
Foundations of Knowledge Base Management Book PDF

Author : Joachim W. Schmidt,Costantino Thanos
Publisher : Springer Science & Business Media
Page : 566 pages
File Size : 50,5 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9783642833977

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Foundations of Knowledge Base Management by Joachim W. Schmidt,Costantino Thanos Pdf

In the past, applied artificial intelligence systems were built with particular emphasis on general reasoning methods intended to function efficiently, even when only relatively little domain-specific knowledge was available. In other words, AI technology aimed at the processing of knowledge stored under comparatively general representation schemes. Nowadays, the focus has been redirected to the role played by specific and detailed knowledge, rather than to the reasoning methods themselves. Many new application systems are centered around knowledge bases, i. e. , they are based on large collections offacts, rules, and heuristics that cap ture knowledge about a specific domain of applications. Experience has shown that when used in combination with rich knowledge bases, even simple reasoning methods can be extremely effective in a wide variety of problem domains. Knowledge base construction and management will thus become the key factor in the development of viable knowledge-based ap plications. Knowledge Base Management Systems (KBMSs) are being proposed that provide user-friendly environments for the construction, retrieval, and manipUlation of large shared knowledge bases. In addition to deductive reasoning, KBMSs require operational characteristics such as concurrent access, integrity maintenance, error recovery, security, and perhaps distribution. For the development ofKBMSs, the need to integrate concepts and technologies from different areas, such as Artificial Intel ligence, Databases, and Logic, has been widely recognized. One of the central issues for KBMSs is the framework used for knowledge representation-semantic networks, frames, rules, and logics are proposed by the AI and logic communities.

Logic Programming and Databases

Stefano Ceri,Georg Gottlob,Letizia Tanca
Logic Programming and Databases Book PDF

Author : Stefano Ceri,Georg Gottlob,Letizia Tanca
Publisher : Springer Science & Business Media
Page : 295 pages
File Size : 53,5 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9783642839528

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Logic Programming and Databases by Stefano Ceri,Georg Gottlob,Letizia Tanca Pdf

The topic of logic programming and databases. has gained in creasing interest in recent years. Several events have marked the rapid evolution of this field: the selection, by the Japanese Fifth Generation Project, of Prolog and of the relational data model as the basis for the development of new machine archi tectures; the focusing of research in database theory on logic queries and on recursive query processing; and the pragmatic, application-oriented development of expert database systems and of knowledge-base systems. As a result, an enormous amount of work has been produced in the recent literature, coupled with the spontaneous growth of several advanced projects in this area. The goal of this book is to present a systematic overview of a rapidly evolving discipline, which is presently not described with the same approach in other books. We intend to introduce stu dents and researchers to this new discipline; thus we use a plain, tutorial style, and complement the description of algorithms with examples and exercises. We attempt to achieve a balance be tween theoretical foundations and technological issues; thus we present a careful introduction to the new language Datalog, but we also focus on the efficient interfacing of logic programming formalisms (such as Prolog and Datalog) with large databases.

Transactions and Change in Logic Databases

Burkhard Freitag
Transactions and Change in Logic Databases Book PDF

Author : Burkhard Freitag
Publisher : Springer Science & Business Media
Page : 412 pages
File Size : 54,9 Mb
Release : 1998-10-28
Category : Computers
ISBN : 3540653058

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Transactions and Change in Logic Databases by Burkhard Freitag Pdf

This book constitutes the thoroughly refereed and revised post-workshop proceedings of two international meetings devoted to deductive databases and logic programming. The technical papers presenting original research results were carefully reviewed and selected for inclusion in the present book, together with several survey articles summarizing the state of the art in the area. Thus, the book is the ultimate reference for anybody interested in the theory and application of deductive databases and logic programming.

The Architectural Logic of Database Systems

Emmanuel J. Yannakoudakis
The Architectural Logic of Database Systems Book PDF

Author : Emmanuel J. Yannakoudakis
Publisher : Springer Science & Business Media
Page : 330 pages
File Size : 54,8 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9781447116165

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The Architectural Logic of Database Systems by Emmanuel J. Yannakoudakis Pdf

If we look back to pre-database systems and the data units which were in use, we will establish a hierarchy starting with the concept of 'field' used to build 'records' which were in turn used to build higher data units such as 'files'. The file was considered to be the ultimate data unit of information processing and data binding 'monolith'. Moreover, pre database systems were designed with one or more programming languages in mind and this in effect restricted independent develop ment and modelling of the applications and associated storage structures. Database systems came along not to turn the above three units into outmoded concepts, but rather to extend them further by establishing a higher logical unit for data description and thereby offer high level data manipulation functions. It also becomes possible for computer professionals and other users to view all information processing needs of an organisation through an integrated, disciplined and methodical approach. So, database systems employ the concepts field, record and file without necessarily making them transparent to the user who is in effect offered a high level language to define data units and relation ships, and another language to manipulate these. A major objective of database systems is to allow logical manipulations to be carried out independent of storage manipulations and vice versa.

Logic and the Organization of Information

Martin Frické
Logic and the Organization of Information Book PDF

Author : Martin Frické
Publisher : Springer Science & Business Media
Page : 317 pages
File Size : 42,7 Mb
Release : 2012-02-09
Category : Computers
ISBN : 9781461430889

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Logic and the Organization of Information by Martin Frické Pdf

Logic and the Organization of Information closely examines the historical and contemporary methodologies used to catalogue information objects—books, ebooks, journals, articles, web pages, images, emails, podcasts and more—in the digital era. This book provides an in-depth technical background for digital librarianship, and covers a broad range of theoretical and practical topics including: classification theory, topic annotation, automatic clustering, generalized synonymy and concept indexing, distributed libraries, semantic web ontologies and Simple Knowledge Organization System (SKOS). It also analyzes the challenges facing today’s information architects, and outlines a series of techniques for overcoming them. Logic and the Organization of Information is intended for practitioners and professionals working at a design level as a reference book for digital librarianship. Advanced-level students, researchers and academics studying information science, library science, digital libraries and computer science will also find this book invaluable.

Logic in Databases

Dino Pedreschi,Carlo Zaniolo
Logic in Databases Book PDF

Author : Dino Pedreschi,Carlo Zaniolo
Publisher : Springer Science & Business Media
Page : 516 pages
File Size : 46,8 Mb
Release : 1996-10-02
Category : Computers
ISBN : 3540618147

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Logic in Databases by Dino Pedreschi,Carlo Zaniolo Pdf

This book constitutes the strictly refereed post-workshop proceedings of the International Workshop on Logic in Databases, LID'96, held in San Miniato, Italy, in July 1996, as the final meeting of an EC-US cooperative activity. The volume presents 21 revised full papers selected from 49 submissions as well as 3 invited contributions and a summary of a panel discussion on deductive databases: challenges, opportunities and future directions. The retrospective survey on logic and databases by Jack Minker deserves a special mention: it is a 56-page overview and lists 357 references. The papers are organized in sections on uncertainty, temporal and spatial reasoning, updates, active databases, semantics, advanced applications, query evaluation, language extensions, and logic constructs and expressive power.

Computational Logic — CL 2000

John Lloyd,Veronica Dahl,Ulrich Furbach,Manfred Kerber,Kung-Kiu Lau,Catuscia Palamidessi,Luis M. Pereira,Yehoshua Sagiv,Peter J. Stuckey
Computational Logic CL 2000 Book PDF

Author : John Lloyd,Veronica Dahl,Ulrich Furbach,Manfred Kerber,Kung-Kiu Lau,Catuscia Palamidessi,Luis M. Pereira,Yehoshua Sagiv,Peter J. Stuckey
Publisher : Springer
Page : 1382 pages
File Size : 48,7 Mb
Release : 2003-06-26
Category : Computers
ISBN : 9783540449577

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Computational Logic — CL 2000 by John Lloyd,Veronica Dahl,Ulrich Furbach,Manfred Kerber,Kung-Kiu Lau,Catuscia Palamidessi,Luis M. Pereira,Yehoshua Sagiv,Peter J. Stuckey Pdf

These are the proceedings of the First International Conference on Compu- tional Logic (CL 2000) which was held at Imperial College in London from 24th to 28th July, 2000. The theme of the conference covered all aspects of the theory, implementation, and application of computational logic, where computational logic is to be understood broadly as the use of logic in computer science. The conference was collocated with the following events: { 6th International Conference on Rules and Objects in Databases (DOOD 2000) { 10th International Workshop on Logic-based Program Synthesis and Tra- formation (LOPSTR 2000) { 10th International Conference on Inductive Logic Programming (ILP 2000). CL 2000 consisted of seven streams: { Program Development (LOPSTR 2000) { Logic Programming: Theory and Extensions { Constraints { Automated Deduction: Putting Theory into Practice { Knowledge Representation and Non-monotonic Reasoning { Database Systems (DOOD 2000) { Logic Programming: Implementations and Applications. The LOPSTR 2000 workshop constituted the program development stream and the DOOD 2000 conference constituted the database systems stream. Each stream had its own chair and program committee, which autonomously selected the papers in the area of the stream. Overall, 176 papers were submitted, of which 86 were selected to be presented at the conference and appear in these proceedings. The acceptance rate was uniform across the streams. In addition, LOPSTR 2000 accepted about 15 extended abstracts to be presented at the conference in the program development stream.

Current Trends in Database Technology - EDBT 2006

Torsten Grust
Current Trends in Database Technology EDBT 2006 Book PDF

Author : Torsten Grust
Publisher : Springer Science & Business Media
Page : 961 pages
File Size : 41,9 Mb
Release : 2006-10-10
Category : Computers
ISBN : 9783540467885

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Current Trends in Database Technology - EDBT 2006 by Torsten Grust Pdf

This book constitutes the thoroughly refereed joint post-proceedings of nine workshops held as part of the 10th International Conference on Extending Database Technology, EDBT 2006, held in Munich, Germany in March 2006. The 70 revised full papers presented were selected from numerous submissions during two rounds of reviewing and revision.

Artificial Intelligence in Databases and Information Systems (DS-3)

R. Meersman,Zhongzhi Shi,Chen-Ho Kung
Artificial Intelligence in Databases and Information Systems DS 3 Book PDF

Author : R. Meersman,Zhongzhi Shi,Chen-Ho Kung
Publisher : North Holland
Page : 608 pages
File Size : 41,5 Mb
Release : 1990
Category : Artificial intelligence
ISBN : UCAL:$B732010

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Artificial Intelligence in Databases and Information Systems (DS-3) by R. Meersman,Zhongzhi Shi,Chen-Ho Kung Pdf

This third volume on Database Semantics looks at the link between Artificial Intelligence and Databases / Information Systems. Database / Information System design, implementation and operation is a complex problem-solving task, where expert knowledge is needed. Use of Artificial Intelligence techniques and principles may help to acquire, represent and manipulate this knowledge, resulting in the enrichment of database semantics.

Database Schema Evolution and Meta-Modeling

Herman Balsters,Bert de Brock,Stefan Conrad
Database Schema Evolution and Meta Modeling Book PDF

Author : Herman Balsters,Bert de Brock,Stefan Conrad
Publisher : Springer
Page : 250 pages
File Size : 45,8 Mb
Release : 2003-06-29
Category : Computers
ISBN : 9783540481966

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Database Schema Evolution and Meta-Modeling by Herman Balsters,Bert de Brock,Stefan Conrad Pdf

The Ninth International Workshop on Foundations of Models and Languages for Data and Objects (FoMLaDO) took place in Dagstuhl Germany, Sept- ber 18{21, 2000. The topic of this workshop was Database schema Evolution and Meta-Modeling; this FoMLaDO Workshop was hence assigned the acronym DEMM 2000. These post-proceedings contain the revised versions of the accepted papers of the DEMM 2000 workshop. Twelve regular papers were accepted for inclusion in the proceedings. The papers address the following issues: { Consistency of evolving concurrent information systems { Adaptive speci cations of technical information systems { Change propagation in schema evolution of object-based systems { Evolving software of a schema evolution system { Logical characterization of schema evolution { Con?ict management in integrated databases { Evolving relation schemas { Conceptual descriptions of adaptive information systems { OQL-extensions for metadata access { Metamodeling of schema evolution { Metrics for conceptual schema evolution { Incremental datawarehouse construction In addition to the regular papers, there is an invited paper by Can Turk ̈ er on schema evolution in SQL99 and (object-)relational databases. Acknowledgements: We wish to thank the program committee members for their work on reviewing the submitted papers. We also wish to thank all a- hors for submitting papers to this workshop. Moreover, all participants of the workshop are thanked for contributing to lively discussions. Thanks also to Elke Rundensteiner, who delivered an invited talk on the SERF-project concerning ?exible database transformations.

Foundations of Knowledge Base Management

Joachim W. Schmidt,Costantino Thanos
Foundations of Knowledge Base Management Book PDF

Author : Joachim W. Schmidt,Costantino Thanos
Publisher : Springer
Page : 579 pages
File Size : 51,6 Mb
Release : 1989-11-02
Category : Computers
ISBN : 3540189874

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Foundations of Knowledge Base Management by Joachim W. Schmidt,Costantino Thanos Pdf

In the past, applied artificial intelligence systems were built with particular emphasis on general reasoning methods intended to function efficiently, even when only relatively little domain-specific knowledge was available. In other words, AI technology aimed at the processing of knowledge stored under comparatively general representation schemes. Nowadays, the focus has been redirected to the role played by specific and detailed knowledge, rather than to the reasoning methods themselves. Many new application systems are centered around knowledge bases, i. e. , they are based on large collections offacts, rules, and heuristics that cap ture knowledge about a specific domain of applications. Experience has shown that when used in combination with rich knowledge bases, even simple reasoning methods can be extremely effective in a wide variety of problem domains. Knowledge base construction and management will thus become the key factor in the development of viable knowledge-based ap plications. Knowledge Base Management Systems (KBMSs) are being proposed that provide user-friendly environments for the construction, retrieval, and manipUlation of large shared knowledge bases. In addition to deductive reasoning, KBMSs require operational characteristics such as concurrent access, integrity maintenance, error recovery, security, and perhaps distribution. For the development ofKBMSs, the need to integrate concepts and technologies from different areas, such as Artificial Intel ligence, Databases, and Logic, has been widely recognized. One of the central issues for KBMSs is the framework used for knowledge representation-semantic networks, frames, rules, and logics are proposed by the AI and logic communities.

Applications of Logic Databases

Raghu Ramakrishnan
Applications of Logic Databases Book PDF

Author : Raghu Ramakrishnan
Publisher : Springer Science & Business Media
Page : 299 pages
File Size : 55,5 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9781461522072

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Applications of Logic Databases by Raghu Ramakrishnan Pdf

The premise behind developing powerful declarative database languages is compelling: by enabling users to specify their queries (and their integrity constraints) in a clear, non-operational way, they make the user's task easier, and provide the database system with more opportunities for optimization. Relational database systems offer a striking proof that this premise is indeed valid. The most popular relational query language, SQL, is based upon relational algebra and calculus, i.e., a small fragment of first-order logic, and the ease of writing queries in SQL (in comparison to more navigational languages) has been an important factor in the commercial success of relational databases. It is well-known that SQL has some important limitations, in spite of its success and popUlarity. Notably, the query language is non-recursive, and support for integrity constraints is limited. Indeed, recognizing these problems, the latest standard, SQL-92, provides increased support for integrity constraints, and it is anticipated that the successor to the SQL-92 standard, called SQL3, RECURSIVE UNION operation [1]. Logic database systems have will include a concentrated on these extensions to the relational database paradigm, and some systems (e.g., Bull's DEL prototype) have even incorporated object-oriented features (another extension likely to appear in SQL3).

Logic and Databases

C. J. Date
Logic and Databases Book PDF

Author : C. J. Date
Publisher : Trafford Publishing
Page : 461 pages
File Size : 45,9 Mb
Release : 2007
Category : Computers
ISBN : 9781425122904

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Logic and Databases by C. J. Date Pdf

Logic and databases are inextricably intertwined. The relational model in particular is essentially just elementary predicate logic, tailored to fit the needs of database management. Now, if you're a database professional, I'm sure this isn't news to you; but you still might not realize just how much everything we do in the database world is - or should be! - affected by predicate logic. Logic is everywhere. So if you're a database professional you really owe it to yourself to understand the basics of formal logic, and you really ought to be able to explain (and perhaps defend) the connections between formal logic and database management. And that's what this book is about. What it does is show, through a series of partly independent and partly interrelate essays, just how various crucial aspects of database technology-some of them very familiar, others maybe less so- are solidly grounded in formal logic. It is divided into five parts: *Basic Logic *Logic and Database Management *Logic and Database Design *Logic and Algebra *Logic and the Third Manifesto There's also a lengthy appendix, containing a collection of frequently asked questions (and some answers) on various aspects of logic and database management. Overall, my goal is to help you realize the importance of logic in everything you do, and also- I hope- to help you see that logic can be fun.