Publications of Anna Formica

This page shows all publications that appeared in the IASI annual research reports. Authors currently affiliated with the Institute are always listed with the full name.

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IASI Research Report n. 629  (Previous    Next)  

Anna Formica

Legality of XML-Schema Type Hierarchies

ABSTRACT
The eXtensible Markup Language (XML) and XML-Schema are increasingly becoming the favorite languages to exchange and describe data across the internet, respectively. In this perspective, much of database research focus is shifting from the traditional database models to semistructured data and XML. In this paper, a formal framework supporting the design of XML-Schema type hierarchies has been proposed, by following and revisiting the database approach. In particular, the notion of a {it legal} XML-Schema type hierarchy has been formally given and an algorithm for checking the legality of type hierarchies has been proposed.
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