80 search results - page 7 / 16 » Efficient evaluation of generalized path pattern queries on ... |
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
EDBT
2002
ACM
14 years 7 months ago
2002
ACM
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
ACSC
2006
IEEE
14 years 1 months ago
2006
IEEE
Manipulating semistructured data, such as XML, does not t well within conventional programming languages. A typical manipulation requires nding all occurrences of a structure matc...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
We study the problem of querying relational data embedded in XML. Relational data can be represented by various tree structures in XML. However, current XML query methods, such as...
DASFAA
2007
IEEE
13 years 11 months ago
2007
IEEE
Label stream partition is a useful technique to reduce the input I/O cost of holistic twig join by pruning useless streams beforehand. The Prefix Path Stream (PPS) partition scheme...