128 search results - page 19 / 26 » A random walk approach to sampling hidden databases |
ICPR
2004
IEEE
15 years 10 months ago
2004
IEEE
In this paper, we propose an unsupervised approach to select representative face samples (models) from raw videos and build an appearance-based face recognition system. The approa...
101
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INFORMATICALT
2008
14 years 9 months ago
2008
Abstract. Data stream mining has become a novel research topic of growing interest in knowledge discovery. Most proposed algorithms for data stream mining assume that each data blo...
165
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
We introduce a framework for reordering join pipelines at runtime in a database system. This framework incorporates novel techniques for simulating the execution of a join pipeline...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
This paper studies Data Stream Management Systems that combine real-time data streams with historical data, and hence access incoming streams and archived data simultaneously. A s...
PDCN
2004
14 years 11 months ago
2004
It is well-known that the time and memory necessary to create a codebook from large training databases have hindered the vector quantization based systems for real applications. T...