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SIGMOD
2001
ACM
229views Database» more  SIGMOD 2001»
14 years 10 months ago
A Robust, Optimization-Based Approach for Approximate Answering of Aggregate Queries
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
Surajit Chaudhuri, Gautam Das, Vivek R. Narasayya
PODS
2002
ACM
154views Database» more  PODS 2002»
14 years 10 months ago
How to Evaluate Multiple Range-Sum Queries Progressively
Decision support system users typically submit batches of range-sum queries simultaneously rather than issuing individual, unrelated queries. We propose a wavelet based technique ...
Rolfe R. Schmidt, Cyrus Shahabi
EVOW
2010
Springer
14 years 5 months ago
Content-Based Image Retrieval of Skin Lesions by Evolutionary Feature Synthesis
This paper gives an example of evolved features that improve image retrieval performance. A content-based image retrieval system for skin lesion images is presented. The aim is to ...
Lucia Ballerini, Xiang Li, Robert B. Fisher, Ben A...
HICSS
2009
IEEE
213views Biometrics» more  HICSS 2009»
14 years 5 months ago
AURUM: A Framework for Information Security Risk Management
—As companies are increasingly exposed to a variety of information security threats, they are permanently forced to pay attention to security issues. Risk management provides an ...
Andreas Ekelhart, Stefan Fenz, Thomas Neubauer
SAC
2009
ACM
14 years 5 months ago
GPU-based computation of distance functions on road networks with applications
We present a GPU-based algorithm for computing discretized distance functions on road networks. As applications, we provide algorithms for computing discrete Order-k Network Voron...
Marta Fort, Joan Antoni Sellarès