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EDBT
2009
ACM
113views Database» more  EDBT 2009»
16 years 1 months ago
Query ranking in probabilistic XML data
Twig queries have been extensively studied as a major fragment of XPATH queries to query XML data. In this paper, we study PXMLRANK query, (Q, k), which is to rank top-k probabili...
Lijun Chang, Jeffrey Xu Yu, Lu Qin
EDBT
2009
ACM
133views Database» more  EDBT 2009»
16 years 1 months ago
Multiplicative synopses for relative-error metrics
Existing hierarchical summarization techniques fail to provide synopses good in terms of relative-error metrics. This paper introduces multiplicative synopses: a summarization par...
Panagiotis Karras
CIKM
2009
Springer
16 years 1 months ago
Packing the most onto your cloud
Parallel dataflow programming frameworks such as Map-Reduce are increasingly being used for large scale data analysis on computing clouds. It is therefore becoming important to a...
Ashraf Aboulnaga, Ziyu Wang, Zi Ye Zhang
DEXA
2009
Springer
124views Database» more  DEXA 2009»
16 years 1 months ago
VisiNav: Visual Web Data Search and Navigation
Semantic Web technologies facilitate data integration over a large number of sources with decentralised and loose coordination, ideally leading to interlinked datasets which descri...
Andreas Harth
IROS
2008
IEEE
230views Robotics» more  IROS 2008»
16 years 26 days ago
Visual recognition of grasps for human-to-robot mapping
— This paper presents a vision based method for grasp classification. It is developed as part of a Programming by Demonstration (PbD) system for which recognition of objects and...
Hedvig Kjellström, Javier Romero, Danica Krag...