This tutorial introduces the concept of XML Structural Summaries and describes their role within XML retrieval. It covers the usage of those summaries for Database-style query processing and Information Retrieval-style search tasks in the context of both centralized and distributed environments. Finally, it discusses new retrieval scenarios that can potentially be favorably supported by those summaries.
Mirella Moura Moro, Zografoula Vagena, Vassilis J.