A typed text retrieval query language for XML documents

XML is nowadays considered the standard meta-language for document markup and data representation. XML is widely employed in Web-related applications as well as in database applications, and there is also a growing interest for it by the literary community to develop tools for supporting document-oriented retrieval operations. The purpose of this article is to show the basic new requirements of this kind of applications and to present the main features of a typed query language, called Tequyla-TX, designed to support them.