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Food Systems Transformation in Kenya: Lessons from the Past and Policy Options for the Future
Food Systems Transformation Kenya Policy Options Lessons
2024/4/1
The International Food Policy Research Institute (IFPRI), a CGIAR Research Center established in 1975, provides research-based policy solutions to sustainably reduce poverty and end hunger and ma...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Subsampling for Rare Events Data and maximum sampled conditional likelihood
罕见事件数据 子采样 最大采样 条件似然
2023/5/15
In this talk, we show that the available information about unknown parameters in rare events data is only tied to the relatively small number of cases, which justifies the usage of negative sampling. ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：逻辑动态系统研究进展
逻辑动态系统 研究进展 矩阵半张量积 代数状态空间
2023/4/25
逻辑是人类认知和交流的基本手段，因此逻辑动态系统的分析与控制是认识和改造世界的根本工具之一。此前针对逻辑系统的分析与综合缺乏合适的数学工具，本报告首先介绍基于矩阵半张量积的代数状态空间方法，并对逻辑动态系统分析与控制理论作简要回顾，进一步汇报我们在逻辑动态系统方面近期的研究进展。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Regional inequality in China during its rise as a giant exporter: A value chain analysis
中国 出口大国 区域不平等 价值链分析
2023/4/27
China's exports success has implications for regional income inequality, because most of its export products are manufactured in the coastal zone. We propose a value chain-based accounting framework t...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：集装箱港口货运需求预测研究：以环渤海三大港口为例
集装箱港口 货运需求预测 环渤海 三大港口
2023/4/28
本文基于TEI@I理论框架，提出了适用于港口物流货运复杂系统的TEI@I的综合集成预测模型，并基于环渤海三大港口青岛港、天津港和大连港集装箱吞吐量数据,预测和分析了TEI@I的港口物流货运量的集成预测理论框架的各部分。预测结果表明，基于TEI@I集成预测模型的效果远远优于单独模型的预测结果，方向变化统计量(Dstat)的评价结果从65%-75%提高到了90%以上，对主要决策者方向性的判断更有实际意...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Prediction When Factors are Weak
因素较弱 预测 宏观经济预测
2023/5/5
In macroeconomic forecasting, principal component analysis (PCA) has been the most prevalent approach to the recovery of factors, which summarize information in a large set of macro predictors. Nevert...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Multiclass Sparse Discriminant Analysis Incorporating Graphical Structure among Predictors
预测变量 图形结构 多类稀疏 判别分析
2023/5/9
In the era of big data, many sparse linear discriminant analysis methods have been proposed for the classification and variable selection of the high-dimensional data. In order to solve the multiclass...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：粮食主产区粮食产量预测模型
粮食主产区 粮食产量 预测模型
2023/5/16
报告主要介绍东北四省区等粮食主产区的粮食产量预测的模型情况，以及模型的应用、改进空间等等。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：How to capture tourists' search behavior in tourism forecasts？A two-stage feature selection approach
旅游预测 游客 搜索行为 两阶段 特征选择方法
2023/5/16
Search engine data have been widely used and shown to be useful in tourism demand forecasting. However, considering of the vast amounts of search keywords, how to better capture the tourists' attentio...
近日，管理学院赵海川副教授与中山大学的吴记副教授、肯塔基大学的Haipeng(Allan) Chen教授合作的研究成果“Coupons or free shipping? Effects of price promotion strategies on online review ratings”发表在管理类国际顶级期刊Information Systems Research上，该期刊是UTD 2...
苏州大学东吴商学院Dawoon Jung老师关于创新创业的研究发表于顶级期刊《Information Systems Research》
苏州大学东吴商学院 Dawoon Jung 老师 创新创业 顶级期刊 信息系统
2019/5/29
日前，我校东吴商学院智慧供应链研究中心Dawoon Jung老师（第一作者）与韩国高丽大学Byung Cho Kim、Myungsub Park以及美国Temple大学Detmar W. Straub合作名为“Innovation and Policy Support for Two-Sided Market Platforms: Can Government Policy Makers and ...
中国石油大学（北京）工商管理学院管理会计双语课件Chapter8 Motivating Behavior in Management Accounting and Control Systems
中国石油大学（北京）工商管理学院 管理会计 双语课件 Chapter8 Motivating Behavior in Management Accounting Control Systems
2019/1/16
中国石油大学（北京）工商管理学院管理会计双语课件Chapter8 Motivating Behavior in Management Accounting and Control Systems。
中国石油大学（北京）工商管理学院管理会计双语课件Chapter7 Management Accounting and Control Systems:Assessing Performance over the Value Chain
中国石油大学（北京）工商管理学院 管理会计 双语课件 Chapter7 Management Accounting Control Systems Assessing Performance over the Value Chain
2019/1/16
中国石油大学（北京）工商管理学院管理会计双语课件Chapter2 Management Accounting and Control Systems:Assessing Performance over the Value Chain。
中国石油大学（北京）工商管理学院管理会计双语课件Chapter4 Activity-Based Cost Systems
中国石油大学（北京）工商管理学院 管理会计 双语课件 Chapter4 Activity-Based Cost Systems
2019/1/16
中国石油大学（北京）工商管理学院管理会计双语课件Chapter4 Activity-Based Cost Systems。
中国石油大学（北京）工商管理学院管理会计双语课件Chapter3 Traditional Cost Management Systems
中国石油大学（北京）工商管理学院 管理会计 双语课件 Chapter3 Traditional Cost Management Systems
2019/1/16
中国石油大学（北京）工商管理学院管理会计双语课件Chapter3 Traditional Cost Management Systems。