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Vegetation-Atmosphere Water Deficit as the Primary Control on Alpine Steppe and Forest Coverage: An Empirical Assessment from the Altay Mountains, Northwestern China. [PDF]

Biology (Basel)
Xu Q, Xu Y, Cui D, Lin T, Miao Z, Gong Y, Aili A, Bakayisire F.   +7 more
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Household Hygiene Behaviors, Perceived Responsibility for Vector Control, and Vulnerability to Rat and Mosquito Sightings in Disadvantaged Urban Communities

Xavier BIA, Santiago DCdC, Argibay HD, Dias MEO, Dantas AdC, Souza RHD, Silva IdS, Santos VC, Machado GG, Santana JO, Palma FAG, Nery N, Souza FN, Eyre MT, Cremonese C, Costa F, Awoniyi AM.   +16 more
europepmc   +1 more source

On computing condensed frequent pattern bases

2002 IEEE International Conference on Data Mining, 2002. Proceedings., 2003
Frequent pattern mining has been studied extensively. However, the effectiveness and efficiency of this mining is often limited, since the number of frequent patterns generated is often too large. In many applications it is sufficient to generate and examine only frequent patterns with support frequency in close-enough approximation instead of in full ...
Pei, Jian, Dong, Guozhu, Zou, Wei, Han, Jiawei   +3 more
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On compressing frequent patterns

Data & Knowledge Engineering, 2007
A major challenge in frequent-pattern mining is the sheer size of its mining results. To compress the frequent patterns, we propose to cluster frequent patterns with a tightness measure @d (called @d-cluster), and select a representative pattern for each cluster. The problem of finding a minimum set of representative patterns is shown NP-Hard.
Dong Xin, Jiawei Han 0001, Xifeng Yan, Hong Cheng 0001   +3 more
openaire   +2 more sources