195 search results - page 19 / 39 » Containment of Nested XML Queries |
ECIR
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. In focussed XML retrieval, a retrieval unit is an XML element that not only contains information relevant to a user query, but also is specific to the query. INEX defin...
ADBIS
2007
Springer
14 years 3 months ago
2007
Springer
This paper describes a new XML compression scheme that offers both high compression ratios and short query response time. Its core is a fully reversible transform featuring substit...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
XML languages, such as XQuery, XSLT and SQL/XML, employ XPath as the search and extraction language. XPath expressions often define complicated navigation, resulting in expensive...
EDBT
2006
ACM
14 years 9 months ago
2006
ACM
In this paper we present a novel approach for estimating the selectivity of XML twig queries. Such a technique is useful for approximate query answering as well as for determining...
SIGMOD
2000
ACM
14 years 1 months ago
2000
ACM
XML is rapidly emerging as the new standard for data representation and exchange on the Web. An XML document can be accompanied by a Document Type Descriptor (DTD) which plays the...