Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
Abstract. Current XPath processors use direct approach to query evaluation which is quite inefficient in some cases and usually implemented serially. This may be a problem in case ...
Abstract. One of the virtues of XML is that it allows complex structures to be easily expressed. This allows XML to be used as an intermediate, neutral, and standard form for repre...
The growing acceptance of XML as a standard for semi-structured documents on the Web opens up challenging opportunities for Web query languages. In this paper we introduce XML-GL,...
Stefano Ceri, Sara Comai, Ernesto Damiani, Piero F...
: Semi-structured data has become more and more attention-getting with the emergence of XML, and it has aroused much enthusiasm for integrating XML and SQL in database community. D...