22 search results - page 3 / 5 » On the complexity of nonrecursive XQuery and functional quer... |
WISE
2002
Springer
13 years 10 months ago
2002
Springer
How to extract data from XML documents is an important issue for XML research and development. However, how to view XML documents determines how they can be queried. In this paper...
OTM
2007
Springer
13 years 11 months ago
2007
Springer
Abstract The W3C has developed XPath [3] as a query language for XML data. XPath is embedded in many other languages like XQuery and XSLT. The name of XPath derives from its basic ...
ICDT
1999
ACM
13 years 9 months ago
1999
ACM
Abstract. In this paper we present a new approach for studying aggregations in the context of database query languages. Starting from a broad de nition of aggregate function, we ad...
ICDE
2006
IEEE
14 years 6 months ago
2006
IEEE
Relational data streams and XML streams have previously provided two separate research foci, but their unified support by a single Data Stream Management System (DSMS) is very des...
SIGMOD
1996
ACM
13 years 9 months ago
1996
ACM
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...