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IPM
2010
174views more  IPM 2010»
15 years 17 days ago
Managing structured queries in probabilistic XML retrieval systems
Focusing on the context of XML retrieval, in this paper we propose a general methodology for managing structured queries (involving both content and structure) within any given st...
Luis M. de Campos, Juan M. Fernández-Luna, ...
131
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ADBIS
2007
Springer
119views Database» more  ADBIS 2007»
15 years 9 months ago
Combining Efficient XML Compression with Query Processing
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...
Przemyslaw Skibinski, Jakub Swacha
ITNG
2006
IEEE
15 years 9 months ago
Utilizing XML Schema for Describing and Querying Still Image Databases
In this paper, still images are modeled by hierarchical tree structures and object relational graphs. These modeling concepts can be described naturally using XML schema. We intro...
Kazem Taghva, Min Xu, Emma Regentova, Tom Nartker
ICDE
2008
IEEE
132views Database» more  ICDE 2008»
16 years 4 months ago
The Space Complexity of Processing XML Twig Queries Over Indexed Documents
Abstract-- Current twig join algorithms incur high memory costs on queries that involve child-axis nodes. In this paper we provide an analytical explanation for this phenomenon. In...
Mirit Shalem, Ziv Bar-Yossef
SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
16 years 3 months ago
Constraint-Based XML Query Rewriting For Data Integration
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
Cong Yu, Lucian Popa