Martin Schader Books

The Unified Modeling Language is the new official OMG standard for object-oriented modeling languages. This volume contains revised versions of papers presented during the 1st GROOM-workshop on the...

Unified Modeling Language

By Martin Schader, Axel Korthaus

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Objektorientierte Datenbanken

By Martin Schader

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Classification Data Analysis and Data Highways

By Martin Schader, Rudolf Mathar, Ingo Balderjahn

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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.