Results 91 to 100 of about 34,740 (207)
Comprehensive framework for assessing and optimizing existing research networks
Conservation Biology, EarlyView.Abstract Conservation, monitoring, and research networks, or collections of ecological research sites unified under a common mission of data collection or a research mission, are essential infrastructure for understanding large landscapes. However, most networks developed opportunistically over decades rather than through systematic design, creating ...
Alyson East +2 more
wiley +1 more source
Analysis and Design of Historical Data Archive System for a Commercial Bank [PDF]
, 2015 大数据时代已经悄然来临，在信息经济和互联网金融冲击下，在金融媒介多元化竞争中，商业银行作为数据密集型行业，将在更广领域和更深层次获得并使用涉及客户方方面面的更加全面、完整、系统的数据，并增强对海量数据的搜集和分析萃取能力，挖掘分析得到过去不可能获得的信息和无法企及的商机。由此，商业银行的IT系统建设将迎来新的规划和变革，其中，历史数据归档系统作为全行各种内部数据和外部数据的长期历史周期的集中点，更是在商业银行大数据应用变革中占有重要的一席之地，如何将来自多渠道多系统的数据原貌及长期保存 ...
林碧珍
core
Conservation Biology, EarlyView.Abstract Recognition and engagement of Indigenous Peoples and local communities (IP&LCs) and other traditional knowledge (TK) holders in formal biodiversity governance remain limited, despite their significant contribution to the conservation and sustainable use of biodiversity through their knowledge, innovations, practices, and land stewardship.
Kinga Öllerer +8 more
wiley +1 more source
Evaluating the empirical basis for threat attribution in the IUCN Red List
Conservation Biology, EarlyView.Abstract Understanding the impacts of different threats on species is key to successful conservation interventions and policies. The International Union for Conservation of Nature (IUCN) assesses threats to species, and the organization's Red List of Threatened Species is a key conservation tool.
Ena Humphries +5 more
wiley +1 more source
Pairs trading strategy of ETF based on mixture Copula(基于混合Copula的ETF配对交易策略)
Zhejiang Daxue xuebao. Lixue ban, 2016 配对交易是一种非常普遍的投资策略，被广泛应用于金融市场.距离法和协整法在配对交易策略中使用最普遍，然而，这2种方法只能描述股票之间的线性相关结构.本文基于3类基本的阿基米德Copula函数构成的混合Copula,定量刻画了资产之间的条件相关性，给出了新的配对交易策略，并将其运用于高频ETF市场.实证分析表明，新的策略可以捕获更多相依信息，得到更多的交易机会.
SHENYinfang(沈银芳) +2 more
doaj +1 more source
Research and Improvement on Outlier Detection for Categorical Data [PDF]
, 2015 离群点检测是数据挖掘中重要的研究分支,用于识别某些特征显著区别于其他观测数据的对象。在实际应用如评估金融风险、检测结构的缺陷、侵入检测等领域中会出现的一些离群数据，它们往往预示了某些重要的信息。通过对检测出的离群数据进行分析，可以获取大量能用于预测和决策支持的有用的知识。因此,离群点检测是一个相当有意义的研究方向。 本文以离群点检测为研究背景，以提高分类数据离群点检测性能为主要目标，在介绍离群点相关的概念和主要检测方法的基础上，主要对基于加权频率和聚类 ...
吴旻雯
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Using incentive payments to promote human–carnivore coexistence
Conservation Biology, EarlyView.Abstract For many large carnivores, minimizing the financial burden they impose on local people is critical to their conservation. Incentive‐based programs that provide people with financial benefits for taking pro‐conservation actions or achieving conservation goals are a promising tool for promoting human–carnivore coexistence. Although the number of
Adam Pekor +9 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2019 《纽约时报》2012年的一篇闻名世界专栏"伟大数据时代"宣告了大数据为代表的时代特征。2016年10月,中国共产党中央委员会、国务院发布《"健康中国2030"规划纲要》,明确要求健康医疗大数据广泛应用、深度挖掘并开放共享,促进大数据技术在健康医疗快速发展,将给医疗领域带来前所未有的发展和突破。因此本文分析大数据对医学的影响,并对大数据时代医学生培养策略提出思考和对策建议。
梁美英, 梁贤明
doaj
Micro-blog Explosive Events Analysis and Interactive Visualization Design [PDF]
, 2016 社交网络作为一个公共信息的聚集平台，其信息的走势与社会焦点的脉动息息 相关。如果能够从这些信息中提取有价值的爆发性事件进行实时检测和跟踪，并将 这些数据进行可视化处理，用于政府信息监控、商业信息提取、社会现象研究和民 意调查等方面，将产生不可估量的社会意义和商业价值，从而使社交网络可以更好 地为社会服务。 本文针对中文社交网络爆发性事件定义，提出了一种爆发性分析和评估的方法， 对事件爆发性进行了详细的分析，并利用模糊综合评价对爆发性进行评估。为了可 以使用户更直观的了解爆发性事件分析结果 ...
王倩
core
Automating the analysis of public saliency and attitudes toward biodiversity from digital media
Conservation Biology, EarlyView.Abstract Measuring public attitudes toward wildlife provides crucial insights into human relationships with nature and helps monitor progress toward Global Biodiversity Framework targets. Yet, conducting such assessments at a global scale presents challenges.
Noah Giebink +8 more
wiley +1 more source