The first aim of this paper is to present the logical core of XPath 2.0: a logically clean, decidable fragment, which includes most navigational features of XPath 2.0 (complex co...
This paper is concerned with storing XML data in a native repository suitable for querying with modern languages such as XPath or XQuery. It contains a description of the experimen...
nition of a common model that abstracted the shared knowledge (ontology); a formalism for representing such knowledge (Knowledge Interchange Format, or KIF); and a transport-indepe...
Database queries often take the form of correlated SQL queries. Correlation refers to the use of values from the outer query block to compute the inner subquery. This is a conveni...
In this paper, we propose a pseudo-relevance feedback method to deal with the photographic retrieval and medical retrieval tasks of ImageCLEF 2007. The aim of our participation to...