2574 search results - page 8 / 515 » Typed Query Languages for Databases Containing Queries |
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...
DKE
2007
13 years 8 months ago
2007
XPath is the standard language for addressing parts of an XML document. We present a sound and complete decision procedure for containment of XPath queries. The considered XPath f...
DBPL
1999
Springer
14 years 27 days ago
1999
Springer
Semistructured databases are treated as dynamically typed: they come equipped with no independent schema or type system to constrain the data. Query languages that are designed fo...
EDBT
2006
ACM
14 years 8 months ago
2006
ACM
Abstract. We describe the construction of a generic natural language query interface to an XML database. Our interface can accept an arbitrary English sentence as a query, which ca...
IV
2002
IEEE
14 years 1 months ago
2002
IEEE
In this paper a visual approach to querying in large spatial databases is presented. A diagrammatic technique utilising a data flow metaphor is used to express different kinds of...