209 search results - page 17 / 42 » Derived Data Update in Semantic Databases |
BNCOD
2004
13 years 9 months ago
2004
When storing data in heterogeneous databases, one of the top-down design issues concerns the usage of multiple query languages. A common language enables querying of database schem...
DIWEB
2001
13 years 9 months ago
2001
XPathLog is a logic-based language for manipulating and integrating XML data. It extends the XPath query language with Prolog-style variables. Due to the close relationship with X...
POPL
2008
ACM
14 years 8 months ago
2008
ACM
A lens is a bidirectional program. When read from left to right, it denotes an ordinary function that maps inputs to outputs. When read from right to left, it denotes an "upd...
DASFAA
2008
IEEE
14 years 2 months ago
2008
IEEE
Twig pattern matching (TPM) is the core operation of XML query processing. Existing approaches rely on either efficient data structures or novel labeling/indexing schemes to reduce...
SIGMOD
2000
ACM
14 years 3 hour ago
2000
ACM
The DataLinks technology developed at IBM Almaden Research Center and now available in DB2 UDB 5.2 introduces a new data type called DATALINK for a database to reference and manag...