The Web so far has been incredibly successful at delivering information to human users. So successful actually, that there is now an urgent need to go beyond a browsing human and ...
XML languages, such as XQuery, XSLT and SQL/XML, employ XPath as the search and extraction language. XPath expressions often define complicated navigation, resulting in expensive...
Structural join operations are central to evaluating queries against XML data, and are typically responsible for consuming a lion's share of the query processing time. Thus, ...
This paper proposes several vectorial operators for processing XML twig queries, which are easy to be performed and inherently efficient for both Ancestor-Descendant (A-D) and Par...
d Abstract) Dario Colazzo1 , Giorgio Ghelli2 , Paolo Manghi2 , and Carlo Sartiani2 1 LRI - Universit?e Paris Sud 2 Dipartimento di Informatica - Universit`a di Pisa If a subexpress...
Dario Colazzo, Giorgio Ghelli, Paolo Manghi, Carlo...