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ICASSP
2010
IEEE
15 years 6 months ago
Evolutionary spectral clustering with adaptive forgetting factor
Many practical applications of clustering involve data collected over time. In these applications, evolutionary clustering can be applied to the data to track changes in clusters ...
Kevin S. Xu, Mark Kliger, Alfred O. Hero III
ICDE
2001
IEEE
115views Database» more  ICDE 2001»
16 years 8 months ago
Incremental Computation and Maintenance of Temporal Aggregates
We consider the problems of computing aggregation queries in temporal databases, and of maintaining materialized temporal aggregate views efficiently. The latter problem is partic...
Jun Yang 0001, Jennifer Widom
IACR
2011
209views more  IACR 2011»
14 years 6 months ago
Improved Attacks on Full GOST
GOST is a well known block cipher which was developed in the Soviet Union during the 1970’s as an alternative to the US-developed DES. In spite of considerable cryptanalytic eff...
Itai Dinur, Orr Dunkelman, Adi Shamir
ECAI
2010
Springer
15 years 6 months ago
Mining Outliers with Adaptive Cutoff Update and Space Utilization (RACAS)
Recently the efficiency of an outlier detection algorithm ORCA was improved by RCS (Randomization with faster Cutoff update and Space utilization after pruning), which changes the ...
Chi-Cheong Szeto, Edward Hung
ETT
2006
79views Education» more  ETT 2006»
15 years 6 months ago
On time-varying cyclic delay diversity
: Cyclic Delay Diversity (CDD) was introduced in 2001 to obtain spatial diversity in an Orthogonal Division Multiplexing (OFDM) based transmission system. In contrast to Space-Time...
Gerd Richter, Martin Bossert, Elena Costa, Martin ...