Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Jian-pei ZHANG"'
Publikováno v:
Tongxin xuebao, Vol 38, Pp 53-66 (2017)
In view of the strong randomness and pre-setting the related threshold of traditional overlapping community detection method based on label propagation,overlapping community detection in complex networks based on multi kernel label propagation (OMKLP
Externí odkaz:
https://doaj.org/article/1b2f256b2b814f1a94209a36460cf40d
Publikováno v:
Tongxin xuebao, Vol 36, Pp 125-134 (2015)
In data publishing privacy preserving,while classifying temporary anonymous groups,the existing algorithms didn’t consider the distance between adjacent data points,and could easily produce a lot of unnecessary information loss,thus affecting the a
Externí odkaz:
https://doaj.org/article/6c4f22ef19cb4906a89d06d618654b77
Publikováno v:
Tongxin xuebao, Vol 36, Pp 97-104 (2015)
A model based on proximity breach for numerical sensitive attributes is proposed.At first,it divides numerical sensitive value into several intervals on the premise of protecting the internal relations between quasi-identifier attributes and numeri
Externí odkaz:
https://doaj.org/article/a6e05277c58c450393a90f6191d575c3
Publikováno v:
Tongxin xuebao, Vol 36, Pp 1-11 (2015)
A (s,λ)-overlap was proposed which based on the angle and location between two trajectories to construct the relationship between them, and also measure the weight between two trajectories by trajectory angle and distance, to-gether to construct the
Externí odkaz:
https://doaj.org/article/139fbd75e7204a80834a1d802bf8778c
Publikováno v:
Tongxin xuebao, Vol 36, Pp 144-157 (2015)
In order to reduce the privacy disclosure risks when trajectory data is released,a variety of trajectories anonymity methods were proposed.However,while calculating similarity of trajectories,the existing methods ignore the impact that the shape fact
Externí odkaz:
https://doaj.org/article/35d766fcaf7f4410952743650e3289dc
Publikováno v:
Tongxin xuebao, Vol 35, Pp 1-201 (2014)
Aim to address the problem of anonymization on data streams,an anonymization algorithm based on time density for data stream was proposed.Time weight and time density were designed for describing the data stream’s temporal,when the published cl
Externí odkaz:
https://doaj.org/article/872cecaa04ec4bcab018cee9bcb73c72
Publikováno v:
Tongxin xuebao, Vol 34, Pp 121-134 (2013)
The complexity of traditional CCA methods is too high meet the requirements to analyze big data due to their huge scale which is reaching the level of peta-byte.A novel approach to CCA was proposed to mine the big data by introducing the cloud model
Externí odkaz:
https://doaj.org/article/2d177084dbeb4d82a68c2a3b1b84a1fa
Publikováno v:
PLoS ONE, Vol 11, Iss 9, p e0163053 (2016)
In the existing centralized location services system structure, the server is easily attracted and be the communication bottleneck. It caused the disclosure of users' location. For this, we presented a new distributed collaborative recommendation str
Externí odkaz:
https://doaj.org/article/5cfdd254d82a431186b268853326a6eb
Autor:
Guo-Zhu Su, Jin-Yao Yong, Jian-Pei Zhang, Mi Li, Hong-Li Jia, Yu-Huan Li, Shuang-Gang Ma, Xiao-Jing Wang, Ru-Bing Wang, Maoluo Gan, Wen-Rui Li
Publikováno v:
The Journal of Organic Chemistry. 86:2017-2022
Illihenin A (1), a novel sesquiterpenoid, was isolated from the roots of Illicium henryi. The structure was determined by spectroscopic analyses, ECD calculation, and single-crystal X-ray diffraction. Compound 1 represents a class of novel 5/7/6 tric
Publikováno v:
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica. 46(22)
Three seco-prezizaane-type sesquiterpene lactones, one phenylpropanoid, and two lignans were isolated from the 95% ethanol extract of stems and branches of Illicium ternstroemioides with silica gel column chromatography, ODS column chromatography, an