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FSTTCS
2007
Springer
14 years 4 months ago
2007
Springer
Abstract. Pushdown systems (PDSs) are an automata-theoretic formalism for specifying a class of infinite-state transition systems. Infiniteness comes from the fact that each con...
ICDT
2005
ACM
14 years 3 months ago
2005
ACM
In recent years wavelets were shown to be effective data synopses. We are concerned with the problem of finding efficiently wavelet synopses for massive data sets, in situations...
FOSSACS
2009
Springer
14 years 2 months ago
2009
Springer
We study generalized fixed-point equations over idempotent semirings and provide an efficient algorithm for the detection whether a sequence of Kleene's iterations stabilizes ...
CIKM
2006
Springer
14 years 1 months ago
2006
Springer
Text segmentation is important for text analysis, while text alignment is to determine shared sub-topics among similar documents. Multi-task text segmentation and alignment is the...
ICMCS
2009
IEEE
13 years 8 months ago
2009
IEEE
In this paper, a novel weighted cross prediction (WCP) mode is proposed to replace DC mode in Intra_4x4 prediction of H.264/AVC. In the proposed scheme, the upper right part of one...