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» Illumination-Invariant Change Detection
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WEBDB
2007
Springer
159views Database» more  WEBDB 2007»
16 years 1 months ago
A clustering-based sampling approach for refreshing search engine's database
Due to resource constraints, search engines usually have difficulties keeping the local database completely synchronized with the Web. To detect as many changes as possible, the ...
Qingzhao Tan, Ziming Zhuang, Prasenjit Mitra, C. L...
ICASSP
2010
IEEE
15 years 4 months ago
A distributed psycho-visually motivated Canny edge detector
This paper proposes a distributed Canny edge detection algorithm which can be mapped onto multi-core architectures for high throughput applications. In contrast to the conventiona...
Srenivas Varadarajan, Chaitali Chakrabarti, Lina J...
DAWAK
2007
Springer
16 years 1 months ago
What-If Analysis for Data Warehouse Evolution
In this paper, we deal with the problem of performing what-if analysis for changes that occur in the schema/structure of the data warehouse We abstract software modules, queries, r...
George Papastefanatos, Panos Vassiliadis, Alkis Si...
WIDM
2005
ACM
16 years 13 days ago
Impact of XML schema evolution on valid documents
In this paper we investigate the problem of XML Schema evolution. We first discuss the different kinds of changes that may be needed on an XML Schema. Then, we investigate how to...
Giovanna Guerrini, Marco Mesiti, Daniele Rossi 000...
AAAI
2007
15 years 9 months ago
UNDERTOW: Multi-Level Segmentation of Real-Valued Time Series
The discovery of meaningful change points, finding segments, in both categorical and real-value data time series is a well-studied problem. Prior segmentation algorithms and task...
Tom Armstrong, Tim Oates