We introduce the Xdπ calculus, a peer-to-peer model for reasoning about dynamic web data. Web data is not just stored statically. Rather it is referenced indirectly, for example ...
Abstract. Retrieving semistructured (XML) data typically requires either a structured query such as XPath, or a keyword query that does not take structure into account. In this pap...
Keyword search is an effective approach for most users to search for information because they do not need to learn complex query languages or the underlying structures of the data....
Machine understandable metadata forms the main prerequisite for the intelligent services envisaged in a Web, which going beyond mere data exchange and provides for effective conten...
Stamatia Dasiopoulou, Vassilis Tzouvaras, Ioannis ...
XML data is often modeled as node-labeled trees. In a structure-generic relational storage scheme, the structure of the XML data is shredded into pieces of a generic type, such as...