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» From Structured Documents to Novel Query Facilities
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SIGMOD
2005
ACM
154views Database» more  SIGMOD 2005»
16 years 6 months ago
Lazy XML Updates: Laziness as a Virtue of Update and Structural Join Efficiency
XML documents are normally stored as plain text files. Hence, the natural and most convenient way to update XML documents is to simply edit the text files. But efficient query eva...
Barbara Catania, Wen Qiang Wang, Beng Chin Ooi, Xi...
DASFAA
2010
IEEE
176views Database» more  DASFAA 2010»
15 years 6 months ago
Efficient Database-Driven Evaluation of Security Clearance for Federated Access Control of Dynamic XML Documents
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
Erwin Leonardi, Sourav S. Bhowmick, Mizuho Iwaihar...
APWEB
2006
Springer
15 years 10 months ago
Sample Sizes for Query Probing in Uncooperative Distributed Information Retrieval
The goal of distributed information retrieval is to support effective searching over multiple document collections. For efficiency, queries should be routed to only those collectio...
Milad Shokouhi, Falk Scholer, Justin Zobel
CIKM
2009
Springer
16 years 22 days ago
MRM: an adaptive framework for XML searching
In order to deal with the diversified nature of XML documents as well as individual user preferences, we propose a novel Multiodel (MRM), which is able to abstract a spectrum of i...
Ho Lam Lau, Wilfred Ng
SIGMOD
2003
ACM
239views Database» more  SIGMOD 2003»
16 years 6 months ago
D(k)-Index: An Adaptive Structural Summary for Graph-Structured Data
To facilitate queries over semi-structured data, various structural summaries have been proposed. Structural summaries are derived directly from the data and serve as indices for ...
Chen Qun, Andrew Lim, Kian Win Ong