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BNCOD
2007
13 years 11 months ago
2007
The XQuery language is the standard query language for XML. The result of XQuery queries are typically XML documents in other formats. We introduce the term output schemas of an X...
BNCOD
2007
13 years 11 months ago
2007
Query performance issues over semi-structured data have led to the emergence of materialised XML views as a means of restricting the data structure processed by a query. However p...
BNCOD
2004
13 years 11 months ago
2004
A student with a Computing Science degree is expected to have reached a reasonable level of expertise in SQL. SQL is a non-trivial skill to master and is taught with different degr...
BNCOD
2006
13 years 11 months ago
2006
We examine the problem of producing the optimal evaluation order for queries containing joins, selections, and maps. Specifically, we look at the case where common subexpressions i...
BNCOD
2001
13 years 11 months ago
2001
The core idea of the Semantic Web is to make information accessible to human and software agents on a semantic basis. Hence, web sites may feed directly from the Semantic Web explo...