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VLDB
2007
ACM
130views Database» more  VLDB 2007»
14 years 4 months ago
A Simple and Efficient Estimation Method for Stream Expression Cardinalities
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
Aiyou Chen, Jin Cao, Tian Bu
ICDE
2006
IEEE
134views Database» more  ICDE 2006»
14 years 6 months ago
ISOMER: Consistent Histogram Construction Using Query Feedback
Database columns are often correlated, so that cardinality estimates computed by assuming independence often lead to a poor choice of query plan by the optimizer. Multidimensional...
Utkarsh Srivastava, Peter J. Haas, Volker Markl, M...
CIDM
2007
IEEE
13 years 8 months ago
Mining the Students' Learning Interest in Browsing Web-Streaming Lectures
Web-Streaming lectures overcome the space and time barriers between learning and teaching, but bring higher requirements on the learning feedback of students when they browse lectu...
Long Wang 0002, Christoph Meinel
ICMCS
2006
IEEE
138views Multimedia» more  ICMCS 2006»
13 years 10 months ago
An Effective Mode Decision Scheme in Macroblock-Based PFGS
The Progressive Fine Granularity Scalable (PFGS) coding is a promising technique for streaming video applications. The macroblock-based PFGS coding proposes several INTER modes fo...
Tiantian Sun, Jizheng Xu, Feng Wu, Wen Gao
BMCBI
2007
147views more  BMCBI 2007»
13 years 4 months ago
Statistical significance of quantitative PCR
Background: PCR has the potential to detect and precisely quantify specific DNA sequences, but it is not yet often used as a fully quantitative method. A number of data collection...
Yann Karlen, Alan McNair, Sébastien Persegu...