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JFP
2006
80views more  JFP 2006»
15 years 4 months ago
Static analysis for path correctness of XML queries
A part of a query that will never contribute data to the query answer should be regarded as an error. This principle has been recently accepted into mainstream XML query languages...
Dario Colazzo, Giorgio Ghelli, Paolo Manghi, Carlo...
PVLDB
2008
156views more  PVLDB 2008»
15 years 3 months ago
eXtract: a snippet generation system for XML search
Snippets are used by almost every text search engine to complement ranking schemes in order to effectively handle user keyword search. Despite the fact that XML is a standard repr...
Yu Huang, Ziyang Liu, Yi Chen
WWW
2007
ACM
16 years 4 months ago
The use of XML to express a historical knowledge base
Since conventional historical records have been written assuming human readers, they are not well-suited for computers to collect and process automatically. If computers could und...
Katsuko T. Nakahira, Masashi Matsui, Yoshiki Mikam...
VLDB
2007
ACM
152views Database» more  VLDB 2007»
16 years 4 months ago
Structured Materialized Views for XML Queries
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
Andrei Arion, Ioana Manolescu, Véronique Be...
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ACIIDS
2009
IEEE
162views Database» more  ACIIDS 2009»
15 years 9 months ago
Deriving Conceptual Schema from XML Databases
In this paper, two concepts from different research areas are addressed together, namely functional dependency (FD) and multidimensional association rule (MAR). FD is a class of i...
Oviliani Yenty Yuliana, Suphamit Chittayasothorn