Leopoldo Bertossi Books

Integrity constraints are semantic conditions that a database should satisfy in order to be an appropriate model of external reality. In practice, and for many reasons, a database may not satisfy t...

Database repairing and consistent query answering

By Leopoldo Bertossi

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Database Repairs and Consistent Query Answering

By Leopoldo Bertossi

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Reasoning Web. Causality Explanations and Declarative Knowledge

By Guohui Xiao, Leopoldo Bertossi

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Semantics in Databases

By Leopoldo Bertossi, Klaus Dieter Schewe, Bernhard Thalheim, Gyula O. H. Katona

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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.