十九世纪初期美国客邮述论

19世纪初期事关贸易成败的美国客邮是学界研究的空白。通过分析美国“太平洋商人号”商船在澳门修理期间发往广州的一批信件,证明了美国在广州客邮的关键环节：依托十三行商馆区后勤服务区秘密栖身,接收转发地址为广州十三行商馆区凿石街的泗兴办馆,办馆承担了邮局的收发邮政功能,澳门广州间的美国短途客邮具有独立运行的特点。这也为19世纪初期美国在华客邮提供了详实的个案。     

逻辑机器哲学的新发展

逻辑机器哲学是由美国当代哲学家、计算机科学家勃克斯提出的一种哲学思想,它是在信息时代计算机和网络技术迅猛发展的背景下提出的哲学新思维,又是对哲学史上的朴素唯物论、机械唯物论的继承与发展。在逻辑机器哲学中,拉美特利"人是机器"这个受尽奚落的命题成了其哲学思想的基本假定。它使得"人是机器"的哲学意蕴在计算机科学和信息技术蓬勃发展的今天可以得到新的阐释。尽管面临着许多挑战,但它为计算机科学哲学和信息技术哲学的诞生铺平了道路。近年来认知科学哲学的发展,把逻辑机器哲学研究推向了一个新的阶段,其标志是人工生命哲学的诞生。逻辑机器哲学研究为复杂系统科学视野下的人工生命及其哲学的新发展奠定了坚实的基础。     

The influence of acculturation level and family relationships on quality of life among U.S. Chinese older adults

ABSTRACT

The present study examined the influence of acculturation level and family relationships (i.e., positive family support and negative family strain) on quality of life (QOL), using the data from the Population Study of ChINese Elderly (PINE) in Chicago (N = 3159). Controlling for sociodemographic variables and health status, it was found that individuals’ acculturation level and positive family support were positively related to QOL, whereas negative family strain was negatively associated with QOL. More importantly, higher acculturation levels were associated with increased protective effects of positive family support and reduced risk effects of negative family strain on QOL among U.S. Chinese older adults.     

Additive hazards regression of current status data with auxiliary covariates

This paper discusses the regression analysis of current status failure time data arising from the additive hazards model with auxiliary covariates. As often occurs in practice, it is impossible or impractical to measure the exact magnitude of covariates for all subjects in a study. To compensate the missing information, some auxiliary covariates are utilized instead. We propose two easy-to-implement procedures for estimation of regression parameters by making use of auxiliary information. The asymptotic properties of the resulting estimators are established and extensive numerical studies indicate that both procedures work well in practice.     

十八世纪朝日文人的“文会”与 “文战”——以笔谈唱和集资料为中心

从17世纪初到19世纪初,朝鲜王朝多次向日本派出通信使团,朝鲜通信使团成员与日本文人进行了广泛的接触与交流,其中又以18世纪最为突出.朝日文人的交流可从“文会”与“文战”两个方面来看.具体来说,朝日文人展开“文会”的目的在于“追求文趣”与“收集资讯”,而对“中华文化”与“自身文化”、“性理学”与“古学”的不同看法,则是双方进行“文战”的诱因.到了18世纪后期,日本文人认同与提高日本文化地位的意识不断高涨,也激发了日本文人与朝鲜文人展开文战的底气.     

Objective Bayesian inference for the ratio of the scale parameters of two Weibull distributions

The Weibull distribution is widely used due to its versatility and relative simplicity. In our paper, the non informative priors for the ratio of the scale parameters of two Weibull models are provided. The asymptotic matching of coverage probabilities of Bayesian credible intervals is considered, with the corresponding frequentist coverage probabilities. We developed the various priors for the ratio of two scale parameters using the following matching criteria: quantile matching, matching of distribution function, highest posterior density matching, and inversion of test statistics. One particular prior, which meets all the matching criteria, is found. Next, we derive the reference priors for groups of ordering. We see that all the reference priors satisfy a first-order matching criterion and that the one-at-a-time reference prior is a second-order matching prior. A simulation study is performed and an example given.     

自由与责任:网络空间伦理诉求及其实现策略

习近平在世界互联网大会上的主旨讲话中指出,互联网把世界变成了“鸡犬相闻”的地球村,改变着人们的生产生活,有力推动了社会发展;同时,他又指出,网络空间不是“法外之地”,并明确提出了加强网络空间治理、规范网络空间行为等要求.网络的虚拟性、开放性和交互性,既给人们提供了自由的空间和舞台,又对人们的道德要求和责任担当提出了更高的要求.行为主体网络信息的自由表达有其必要的边界和限度,网络行为中的责任担当对规范网络空间和现实社会的有序发展存在着积极的应然价值,自由与责任构建了网络空间最基本的伦理诉求.     

Gender differences in the experience of loneliness in U.S. Chinese older adults

This study aimed to explore the gender differences in the experiences of loneliness in the U.S. Chinese older population. The data were drawn from the PINE study, a population-based study of U.S. Chinese adults aged 60 years and older. The Revised–University of California at Los Angeles Loneliness Scale (R-UCLA) was used to measure loneliness. Overall, older Chinese women (28.3%) had a higher rate of loneliness than older men (23.3%, p < .001). In particular, women were more likely to sometimes or often experience a lack of companionship than men (22.9% vs. 17.3%, p < .001). Older women living with fewer people, with lower health status, poorer quality of life, and worsening health changes over the past year were more likely than men to experience any loneliness. This study indicates that gender differences exist in the prevalence, symptoms, and correlates of loneliness. Longitudinal studies should be undertaken to understand gender differences in risk factors and outcomes of loneliness.     

高校教师信息素养评价体系研究

本文将在综合分析信息素养的发展历程和研究进展基础上深入探讨高校教师信息素养评价体系的现实课题,并期望未来研究采用实证定量研究对其信度和效度进行验证。     

现代政治文化与民族国家治理

现代政治文化具有世俗性、自主性、开放性与融合性。民族国家治理是国家公共权力控制和引导政治、社会活动的运作行为。政治文化现代化与民族国家治理之间存在互动关系。现代政治文化对民族国家治理提供支撑与协调,民族国家的治理活动推动、引导政治文化现代化的发展。