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ECIR
2007
Springer
14 years 6 days ago
Feature- and Query-Based Table of Contents Generation for XML Documents
The availability of a document’s logical structure in XML retrieval allows retrieval systems to return document portions (elements) instead of whole documents. This helps searche...
Zoltán Szlávik, Anastasios Tombros, ...
XSYM
2005
Springer
84views Database» more  XSYM 2005»
14 years 4 months ago
Patterns and Types for Querying XML Documents
Among various proposals for primitives for deconstructing XML data two approaches seem to clearly stem from practise: path expressions, widely adopted by the database community, an...
Giuseppe Castagna
SYRCODIS
2007
86views Database» more  SYRCODIS 2007»
13 years 12 months ago
XML Query Algera for Cost-based Optimization
Several requirements for algebra suitable for ecient cost-based optimization are presented. It is shown that known XML algebras do not fully satisfy this requirements. A new alge...
Maxim Lukichev, Dmitry Barashev
ICDE
2004
IEEE
90views Database» more  ICDE 2004»
15 years 4 days ago
Multiresolution Indexing of XML for Frequent Queries
XML and other types of semi-structured data are typically represented by a labeled directed graph. To speed up path expression queries over the graph, a variety of structural inde...
Hao He, Jun Yang 0001
ICDT
2010
ACM
219views Database» more  ICDT 2010»
14 years 8 months ago
Aggregate Queries for Discrete and Continuous Probabilistic XML
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...
Serge Abiteboul, T.-H Hubert Chan, Evgeny Kharlamo...