347 search results - page 12 / 70 » Certain answers for XML queries |
WEBI
2007
Springer
14 years 2 months ago
2007
Springer
The paper addresses a problem of combining XML querying with ontology reasoning. We present an extension of a rule-based XML query and transformation language Xcerpt. The extensio...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
Searching for all occurrences of a twig pattern in an XML document is an important operation in XML query processing. Recently a holistic method TwigStack [2] has been proposed. T...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
Twig queries have been extensively studied as a major fragment of XPATH queries to query XML data. In this paper, we study PXMLRANK query, (Q, k), which is to rank top-k probabili...
ADC
2009
Springer
14 years 3 months ago
2009
Springer
Whenever a client frequently has to retrieve, to query and to locally transform large parts of a huge XML document that is stored on a remote web information server, data exchange...
PVLDB
2010
13 years 7 months ago
2010
This paper addresses the problem of explaining missing answers in queries that include selection, projection, join, union, aggregation and grouping (SPJUA). Explaining missing ans...