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  • Open Access

    ARTICLE

    Network Security Situation Awareness Framework based on Threat Intelligence

    Hongbin Zhang1, 2, Yuzi Yi1, *, Junshe Wang1, Ning Cao3, *, Qiang Duan4

    CMC-Computers, Materials & Continua, Vol.56, No.3, pp. 381-399, 2018, DOI:10.3970/cmc.2018.03787

    Abstract Network security situation awareness is an important foundation for network security management, which presents the target system security status by analyzing existing or potential cyber threats in the target system. In network offense and defense, the network security state of the target system will be affected by both offensive and defensive strategies. According to this feature, this paper proposes a network security situation awareness method using stochastic game in cloud computing environment, uses the utility of both sides of the game to quantify the network security situation value. This method analyzes the nodes based on… More >

  • Open Access

    ARTICLE

    Biodegradation of Medicinal Plants Waste in an Anaerobic Digestion Reactor for Biogas Production

    Kabir Fardad1, Bahman Najafi1, Sina Faizollahzadeh Ardabili1, Amir Mosavi2,3, Shahaboddin Shamshirband,4,5,*, Timon Rabczuk2

    CMC-Computers, Materials & Continua, Vol.55, No.3, pp. 381-392, 2018, DOI:10.3970/cmc.2018.01803

    Abstract Glycyrrhiza glabra, Mint, Cuminum cyminum, Lavender and Arctium medicinal are considered as edible plants with therapeutic properties and as medicinal plants in Iran. After extraction process of medicinal plants, residual wastes are not suitable for animal feed and are considered as waste and as an environmental threat. At present there is no proper management of waste of these plants and they are burned or buried. The present study discusses the possibility of biogas production from Glycyrrhiza Glabra Waste (GGW), Mentha Waste (MW), Cuminum Cyminum Waste (CCW), Lavender Waste (LW) and Arctium Waste (AW). 250 g… More >

  • Open Access

    REVIEW

    Review of extinction risk in African Cycads

    Bamigboye SO, PM Tshisikhawe, PJ Taylor

    Phyton-International Journal of Experimental Botany, Vol.85, pp. 333-336, 2016, DOI:10.32604/phyton.2016.85.333

    Abstract Over a long period of time, cycads endemic to Africa have been facing high risk of extinction. Several conservation efforts have been made to reduce the risk of losing these highly endangered species. In this study we review the current risk of extinction of all African cycads species. We calculated the percentages of each category of species found in African cycads using the IUCN (International Union of Conservation of Nature) red list of threatened species 2014 version. We compared our result with that of Donaldson (2003) on percentages of different categories of IUCN for cycads… More >

  • Open Access

    ARTICLE

    An evaluation of the extent and threat of bark harvesting of medicinal plant species in the Venda Region, Limpopo Province, South Africa

    Tshisikhawe MP1,2*, MW van Rooyen1, RB Bhat2

    Phyton-International Journal of Experimental Botany, Vol.81, pp. 89-100, 2012, DOI:10.32604/phyton.2012.81.089

    Abstract The medicinal flora of the Venda region consists of a variety of species, which may potentially provide therapeutic agents to treat different diseases. Bark use for medicinal purposes has been reported for approximately 30% of the woody species (153 species) in the Venda region in southern Africa. However, only 58 plant species are commonly harvested for the medicinal properties in their bark and found in muthi shops in the region. These 58 species were scored for the possible threat of bark harvesting to the plant survival. Ethnobotanical studies indicate that the growing trade in indigenous medicinal More >

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