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- 저자 : Guihong Bi (검색결과 2 건)
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The Complex Agent Artificial Social Network based on Sugarscape ─CASugarscape
Qunxiu Yu,Guihong Bi,Shouming Zhang,Chao Wang 보안공학연구지원센터 2015 International Journal of u- and e- Service, Scienc Vol.8 No.9
We present an artificial social model of complex agent network, CASugarscape, to study the interaction between social network and social wealth. In the space of Sugarscape, agents survive by constantly looking for wealth within their own social circle taking their own field of vision as radius. However, agents survive by looking for wealth within the social network of friends who share wealth each other in the space of CASugarscape. In the proposed CASugarscape model, agents have different social radius based on social circle theory, which form acquaintance networks through social radius and build friendship networks through the rules of matching social wealth. Individual takes advantage of the distribution information of wealth, which comes from friend network, to look for wealth. The change of agents’ wealth distribution will affect their own acquaintance and friendship networks. Eventually it forms the social wealth and social network co-evolution mechanism. We analyze the impacts of different friend networks built through different rules of matching social wealth on social networks and social wealth distribution.
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Xiaojie Zhao,Guihong Bi,Tongyin Li,Richard L. Harkess,Eugene K. Blythe 한국원예학회 2021 원예과학기술지 Vol.39 No.6
In this study, the influence of nitrogen (N) and phosphorus (P) rates on plant growth, flowering, and uptake of essential nutrients was evaluated in container-grown tall bearded (TB) iris (Iris germanica) ‘Immortality’. Factorial combinations of three N (5, 10, or 15 mM) rates and three P (5, 10, or 15 mM) rates were applied to plants via fertigation twice per week from March to September 2013. Plant height, leaf SPAD reading, and flowering data were collected during the growing season. Plants were harvested in December 2013 to measure dry weight (DW) and analyze concentrations of essential mineral elements. Greater N rates had positive effects on plant height, leaf SPAD reading, flowering performance, and uptake of several essential elements, such as potassium (K), calcium (Ca), and iron (Fe). Phosphorous rate did not significantly affect most of the growth parameters. Greater P rates increased P concentration in leaves and roots and decreased boron (B) concentration in leaves but did not significantly influence net uptake of other nutrients except copper (Cu). The average N:P ratio ranged from 4.7 to 7.5, 2.4 to 4.0, and 6.0 to 8.7 in leaves, roots, and rhizomes, respectively.
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