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SIGMOD
2001
ACM
124views Database» more  SIGMOD 2001»
16 years 6 months ago
Space-Efficient Online Computation of Quantile Summaries
An -appro ximate quantile summary of a sequence of N elements is a data structure that can answer quantile queries about the sequence to within a precision of N. We presen t a new...
Michael Greenwald, Sanjeev Khanna
GBRPR
2009
Springer
16 years 25 days ago
Computing and Visualizing a Graph-Based Decomposition for Non-manifold Shapes
Modeling and understanding complex non-manifold shapes is a key issue in shape analysis and retrieval. The topological structure of a non-manifold shape can be analyzed through its...
Leila De Floriani, Daniele Panozzo, Annie Hui
ICAPR
2009
Springer
16 years 25 days ago
Hierarchical Local Maps for Robust Approximate Nearest Neighbor Computation
In this paper, we propose a novel method for fast nearest neighbors retrieval in non-Euclidean and non-metric spaces. We organize the data into a hierarchical fashion that preserv...
Pratyush Bhatt, Anoop M. Namboodiri
SEMWEB
2009
Springer
16 years 24 days ago
Parallelization and Distribution Techniques for Ontology Matching in Urban Computing Environments
The usage of parallelization and distribution techniques in the field of ontology matching is of high interest for the semantic web community. This work presents an approach for ma...
Axel Tenschert, Matthias Assel, Alexey Cheptsov, G...
HYBRID
2007
Springer
16 years 13 days ago
Computational Approaches to Reachability Analysis of Stochastic Hybrid Systems
This work investigates some of the computational issues involved in the solution of probabilistic reachability problems for discretetime, controlled stochastic hybrid systems. It i...
Alessandro Abate, Saurabh Amin, Maria Prandini, Jo...