620 search results - page 61 / 124 » Optimizing Path Expression Queries of XML Data |
129
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ICDE
2006
IEEE
15 years 9 months ago
2006
IEEE
XML structural joins, which evaluate the containment (ancestor-descendant) relationships between XML elements, are important operations of XML query processing. Estimating structu...
165
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ICDT
2012
ACM
13 years 5 months ago
2012
ACM
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
134
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SEBD
2007
15 years 4 months ago
2007
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
153
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EDBT
2002
ACM
16 years 3 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
118
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ICDT
2003
ACM
15 years 8 months ago
2003
ACM
Interest in XML databases has been growing over the last few years. In this paper, we study the problem of incorporating probabilistic information into XML databases. We propose th...