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» Database and Information Retrieval Techniques for XML
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EDBT
2006
ACM
121views Database» more  EDBT 2006»
14 years 7 months ago
A Decomposition-Based Probabilistic Framework for Estimating the Selectivity of XML Twig Queries
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...
Chao Wang, Srinivasan Parthasarathy, Ruoming Jin
ICDE
2004
IEEE
137views Database» more  ICDE 2004»
14 years 9 months ago
Selectivity Estimation for XML Twigs
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....
WWW
2004
ACM
14 years 8 months ago
Web image learning for searching semantic concepts in image databases
Without textual descriptions or label information of images, searching semantic concepts in image databases is still a very challenging task. While automatic annotation techniques...
Chu-Hong Hoi, Michael R. Lyu
BMCBI
2006
140views more  BMCBI 2006»
13 years 7 months ago
MACSIMS : multiple alignment of complete sequences information management system
Background: In the post-genomic era, systems-level studies are being performed that seek to explain complex biological systems by integrating diverse resources from fields such as...
Julie D. Thompson, Arnaud Muller, Andrew M. Waterh...
W4A
2006
ACM
14 years 1 months ago
Opening up access to online documents using essentiality tracks
This paper discusses extensions to the previously developed “essentiality and proficiency” approach to increasing usability and accessibility of websites. The existing approa...
Matthew T. Atkinson, Jatinder Dhiensa, Colin H. C....