Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Zhou XY"'
Publikováno v:
Journal of Software. 18:933
This paper considers the problem of outlier detection in data stream, proposes a new metric called weighted frequent pattern outlier factor for categorical data streams, and presents a novel fast outlier detection algorithm named FODFP-Stream (fast o
Publikováno v:
Journal of Software. 17:1213
Because the static materialized views lack of better response performance for dynamic query, an optimized algorithm DCO (dynamic cache optimization) is proposed, which generates a dynamic materialized views set to cooperate with the existing static m