Gerd Wagner Books

Foundations of knowledge systems

By G. Wagner

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Foundations of Knowledge Systems

By Gerd Wagner

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One of the main uses of computer systems is the management of large amounts of symbolic information representing the state of some application domain, such as information about all the people I com...

Foundations of Knowledge Systems

By Gerd Wagner

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Developing Web Applications De Gruyter Textbook

By Mircea Diaconescu, Gerd Wagner

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Logics in AI

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Rules and Rule Markup Languages for the Semantic Web

By RuleML 2003 2003 Sanibel Fla.

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Logics in AI

By Gerd Wagner, David Pearce

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Rules and Rule Markup Languages for the Semantic Web

By Michael Schroeder, Gerd Wagner

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Simulation and Modeling Methodologies Technologies and Applications

By Gerd Wagner, Floriano De Rango, Tuncer Oren, Frank Werner

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Simulation and Modeling Methodologies Technologies and Applications

By Gerd Wagner, Floriano De Rango, Frank Werner

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.