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Fritz Ackermann: a true and unequalled friend 弗里茨·阿克曼:一个真正的、无与伦比的朋友
1区 地球科学 Q1 Social Sciences Pub Date : 2023-04-03 DOI: 10.1080/10095020.2023.2231734
Ed Mikhail
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引用次数: 0
Perspectives on the nature of geospatial information 关于地理空间信息本质的观点
IF 6 1区 地球科学 Q1 Social Sciences Pub Date : 2017-04-03 DOI: 10.1080/10095020.2017.1337320
J. van Genderen
In the first issue of this year, our editor-in-chief wrote an inspiring Editorial about the 20 years’ history of this journal. That forms a nice background to this Special Issue, in that he gave a very good overview of the journal’s aims and scope, and an interesting summary of geospatial information science, as well as some challenges for the future. During this 20th anniversary year, we will be producing two Special Issues to mark this auspicious occasion. It is a great pleasure that I am writing this guest editorial for the first of these two Special 20th Anniversary Issues for our journal on the subject of “Perspectives on the nature of geospatial information”. Since the introduction of remote sensing in the 1960s, of GIS in the 1970s, followed by GPS, and geospatial information technology, such technologies now permeate in all aspects of people’s daily lives. The advent of smartphones, social media, the cloud computing, big data, the Internet of Things, artificial intelligence (AI), robotics and automation, virtual reality, and several others have enabled many location-based services and other geospatial services to be used in construction, industry, commerce, agriculture, defense and security, disaster management, agriculture as well as many other application areas. The theme of this Special Issue, “Perspectives on the nature of geospatial information” was especially selected to show the wide range of different perspectives, approaches to, and applications of geospatial information. In this issue, we have included major contributions of the leading geospatial information science practitioners and organizations that have shaped this dynamic field. There are 13 papers in it, with authors coming from 13 countries, showing the truly international nature of this journal. We have some excellent review papers on policy, at the global and national levels, as well as overview/status papers with various perspectives on the nature of geospatial information. These include technical, educational, commercial, industrial, security, scientific perspectives on the nature of geospatial information, as well as on geospatial standards issues, in addition to some application examples. The papers also cover many different parts of the world.
在今年的第一期,我们的主编写了一篇关于本刊20年历史的鼓舞人心的社论。这为本期特刊提供了一个很好的背景,因为他很好地概述了该杂志的目标和范围,并对地理空间信息科学进行了有趣的总结,以及未来的一些挑战。在20周年纪念之际,我们将出版两期特刊,以纪念这一吉祥的时刻。我很高兴为《地理空间信息》杂志20周年特刊的第一期撰写客座社论,主题是“地理空间信息的本质透视”。自20世纪60年代的遥感、70年代的地理信息系统、随后的GPS和地理空间信息技术问世以来,这些技术已经渗透到人们日常生活的方方面面。智能手机、社交媒体、云计算、大数据、物联网、人工智能、机器人和自动化、虚拟现实等技术的出现,使许多基于位置的服务和其他地理空间服务被用于建筑、工业、商业、农业、国防和安全、灾害管理、农业以及许多其他应用领域。本期特刊的主题是“地理空间信息的本质”,以展示地理空间信息的各种不同观点、方法和应用。在这期杂志中,我们收录了地理空间信息科学的主要实践者和组织的主要贡献,他们塑造了这个充满活力的领域。收录了13篇论文,作者来自13个国家,真正体现了本刊的国际性。我们有一些关于全球和国家层面政策的优秀综述论文,以及从不同角度阐述地理空间信息本质的综述/现状论文。这些包括技术、教育、商业、工业、安全、关于地理空间信息性质的科学观点,以及地理空间标准问题,此外还有一些应用实例。这些报纸还覆盖了世界上许多不同的地区。
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引用次数: 4
Design and Implement of Parallel Spatial Analysis System Based on MySQL & MPI: Design and Implement of Parallel Spatial Analysis System Based on MySQL & MPI 基于MySQL & MPI的并行空间分析系统的设计与实现基于MySQL & MPI的并行空间分析系统的设计与实现
IF 6 1区 地球科学 Q1 Social Sciences Pub Date : 2012-12-03 DOI: 10.3724/SP.J.1047.2012.00448
Yuke Zhou, Ting Ma, Chenghu Zhou, Xizhang Gao, Junfu Fan
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引用次数: 0
Quasi-Likelihood Techniques in a Logistic Regression Equation for Identifying Simulium damnosum s.l. Larval Habitats Intra-cluster Covariates in Togo. 用Logistic回归方程拟似然技术识别多哥沙棘幼虫栖息地群内协变量。
IF 6 1区 地球科学 Q1 Social Sciences Pub Date : 2012-01-01 Epub Date: 2012-09-24 DOI: 10.1080/10095020.2012.714663
Benjamin G Jacob, Robert J Novak, Laurent Toe, Moussa S Sanfo, Abena N Afriyie, Mohammed A Ibrahim, Daniel A Griffith, Thomas R Unnasch

The standard methods for regression analyses of clustered riverine larval habitat data of Simulium damnosum s.l. a major black-fly vector of Onchoceriasis, postulate models relating observational ecological-sampled parameter estimators to prolific habitats without accounting for residual intra-cluster error correlation effects. Generally, this correlation comes from two sources: (1) the design of the random effects and their assumed covariance from the multiple levels within the regression model; and, (2) the correlation structure of the residuals. Unfortunately, inconspicuous errors in residual intra-cluster correlation estimates can overstate precision in forecasted S.damnosum s.l. riverine larval habitat explanatory attributes regardless how they are treated (e.g., independent, autoregressive, Toeplitz, etc). In this research, the geographical locations for multiple riverine-based S. damnosum s.l. larval ecosystem habitats sampled from 2 pre-established epidemiological sites in Togo were identified and recorded from July 2009 to June 2010. Initially the data was aggregated into proc genmod. An agglomerative hierarchical residual cluster-based analysis was then performed. The sampled clustered study site data was then analyzed for statistical correlations using Monthly Biting Rates (MBR). Euclidean distance measurements and terrain-related geomorphological statistics were then generated in ArcGIS. A digital overlay was then performed also in ArcGIS using the georeferenced ground coordinates of high and low density clusters stratified by Annual Biting Rates (ABR). This data was overlain onto multitemporal sub-meter pixel resolution satellite data (i.e., QuickBird 0.61m wavbands ). Orthogonal spatial filter eigenvectors were then generated in SAS/GIS. Univariate and non-linear regression-based models (i.e., Logistic, Poisson and Negative Binomial) were also employed to determine probability distributions and to identify statistically significant parameter estimators from the sampled data. Thereafter, Durbin-Watson test statistics were used to test the null hypothesis that the regression residuals were not autocorrelated against the alternative that the residuals followed an autoregressive process in AUTOREG. Bayesian uncertainty matrices were also constructed employing normal priors for each of the sampled estimators in PROC MCMC. The residuals revealed both spatially structured and unstructured error effects in the high and low ABR-stratified clusters. The analyses also revealed that the estimators, levels of turbidity and presence of rocks were statistically significant for the high-ABR-stratified clusters, while the estimators distance between habitats and floating vegetation were important for the low-ABR-stratified cluster. Varying and constant coefficient regression models, ABR- stratified GIS-generated clusters, sub-meter resolution satellite imagery, a robust residual intra-cluster diagnostic test, MBR-based his

盘尾丝虫病的主要黑蝇媒介Simulium damnosum s.l.的聚集性河流幼虫栖息地数据回归分析的标准方法,假设了将观测生态采样参数估计值与多产栖息地相关联的模型,而不考虑残留的聚类内误差相关效应。一般来说,这种相关性来自两个来源:(1)随机效应的设计和回归模型中多个水平的协方差;(2)残差的相关结构。不幸的是,无论如何处理(如独立、自回归、Toeplitz等),残差聚类内相关估计的不显著误差都会高估预测damnosum s.l.河流幼虫栖息地解释属性的精度。本研究于2009年7月至2010年6月在多哥2个预先建立的流行病学站点取样,确定并记录了多个基于河流的水蚤幼虫生态系统栖息地的地理位置。最初,数据被聚合到proc genmod中。然后进行了基于凝聚的分层残差聚类分析。然后使用月度咬人率(MBR)分析抽样的聚类研究地点数据的统计相关性。然后在ArcGIS中生成欧几里得距离测量和与地形相关的地貌统计数据。然后在ArcGIS中使用按年咬人率(ABR)分层的高密度和低密度群集的地理参考地面坐标进行数字覆盖。这些数据被叠加到多时相亚米像素分辨率卫星数据上(即QuickBird 0.61m波段)。然后在SAS/GIS中生成正交空间滤波特征向量。基于单变量和非线性回归的模型(即Logistic、泊松和负二项)也被用来确定概率分布,并从抽样数据中识别统计上显著的参数估计。此后,使用Durbin-Watson检验统计量来检验零假设,即回归残差与AUTOREG中残差遵循自回归过程的备选方案不自相关。对PROC MCMC中每个采样估计量采用正态先验构造贝叶斯不确定性矩阵。残差揭示了高、低abr分层簇的空间结构化和非结构化误差效应。分析还表明,对于高abr分层的群集,估计量、浊度水平和岩石的存在具有统计学意义,而对于低abr分层的群集,估计量与浮动植被之间的距离具有重要意义。变系数和常系数回归模型、ABR分层gis生成的聚类、亚米分辨率卫星图像、鲁棒残差聚类诊断测试、基于mbr的直方图、特征分解空间滤波算法和贝叶斯矩阵能够准确地自回归估计潜在不确定性影响和其他残差概率(即:异方差性)用于检验地理参考的河鼠幼虫栖息地估定值之间的相关性。由此得到的残差调整后的聚类内预测误差自协变量系数的渐近分布可以建立,而渐近方差的估计可以导致构建近似置信区间,以准确定位基于时空野外采样计数数据的生产性沙棘栖息地。
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引用次数: 4
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Geo-spatial Information Science
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