Analysis of collaboration networks in OpenStreetMap through weighted social multigraph mining

This paper aims to qualify the behaviour of contributors to OpenStreetMap (OSM), a volunteered geographic information (VGI) project, through a multigraph approach. The main purpose is to reproduce contributor’s interactions in a more comprehensive way. First, we define a multigraph that combines existing spatial collaboration networks from the literature with new graphs that illustrate collaboration based on specific aspects of the VGI modes of contribution through semantics, geometry and topology. Indeed, the ways that contributors interact with one another through editing, completion, or even consumption may provide additional information on each user’s operation mode and therefore, on the quality of the contributed data. Social collaborations drawn from indirect criteria – for example, comparisons between contributors’ activity areas – can also be contemplated under another network. Second, the resulting multigraph is analysed using data mining approaches to characterise individuals and identify behavioural groups. The implementation of a multiplex network based on an OSM data sample and an initial analysis make it possible to identify useful behaviours for data qualification. The initial results characterise some contributors as pioneers, moderators and truthful contributors, according to their special roles in the graphs. Mapping elements that include these contributors’ participation are likely to be reliable data     

单层结构远程协同拟动力试验平台开发

基于网络通讯平台NetSLab,采用Visual Basic语言开发了一个标准化的开放式单层结构远程协同拟动力试验平台NetSLab-SDOF,它由控制中心、真实试验机、虚拟试验机和远程观察器4个模块组成,并通过互联网传输试验控制信号和反馈数据。该平台可以使不同的结构实验室联合进行结构拟动力试验,同时还提供远程用户同步观察试验并获取试验数据的功能。通过桥梁结构的真实拟动力试验及数值模拟试验和网络速度测试,验证了NetSLab-SDOF试验平台的有效性。     

Communication,Partnerships, and the Role of Social Science: Conservation Delivery in a Brave New World

Abstract

The Saginaw Bay Regional Conservation Partnership Program (RCPP) in Michigan is an innovative conservation effort organized to address water quality impairments involving a unique collaboration between conservation organizations, agronomists, universities, commodity groups, and agribusinesses. We track the evolution and adaptation of the Saginaw Bay RCPP, and the collaboration among the traditional and nontraditional conservation partners. Our reflections are organized around three key lessons: vertical and horizontal communication challenges; contextual and structural constraints; barriers that remain between private and public sector entities for this and alternative conservation-delivery models. Lessons from this evaluation will inform the design of future collaborative/multi-stakeholder watershed management efforts. We also demonstrate that rather than being used as an ad-hoc approach, social science evaluation was integrated into conservation planning and practice, hence increasing the salience and legitimacy of the conservation social science in collaborative watershed management.     

Improving National Park Service and Nonprofit Partnerships—Lessons from the National Trail System

Federal land management agencies are increasingly relying on collaborative partnerships for managing national trails, heritage areas, scenic rivers, and recreation areas. For agencies such as the National Park Service, these joint approaches are significantly different from traditional management approaches. This article uses a case study of the Juan Bautista De Anza National Historic Trail to identify partnership lessons for this case and other protected areas that rely on public–private partnerships. The research highlights partnership issues with nonprofit capacity and mission alignment, project momentum, and leadership dilemmas. We suggest that agencies such as the National Park Service need to assess the mission and capacity of community and nonprofit groups to determine their partnership approach. This is a significant shift, from agencies simply needing to find organizations willing to partner on collaborative management efforts, to a role in assessing, forming, and developing nonprofit partners.     

多维邻近性对区域创新合作网络形成的影响——基于江浙沪医学科研机构的实证

本文以Web of Science数据库的合著论文信息为基础构建江浙沪区域医学科研机构合作网络,采用计量分析与半结构化访谈相结合的方式从宏观和微观层面考察多维邻近性（地理邻近性、制度邻近性、社会邻近性、认知邻近性和文化邻近性）对该区域医学领域创新合作网络形成的影响,并进一步讨论了地理邻近性和非地理邻近性之间的交互效应（替代效应或互补效应）。综合定量与定性分析结果,研究发现：① 地理邻近性、制度邻近性、社会邻近性和认知邻近性对该区域医学创新合作网络的形成有促进作用,而文化邻近性的作用不显著;② 地理邻近性与制度邻近性之间存在替代效应;③ 地理邻近性与社会邻近性、认知邻近性之间均存在互补效应;④ 地理邻近性与文化邻近性之间不存在显著的交互效应。     

马芜铜宜城市带区域旅游协作研究

基于区域旅游协作的内涵与理论基础,针对马芜铜宜城市带区域旅游资源在地理分布上的差异性,协作区域地缘通达性,以及该区域旅游发展现状存在着协作的必要性等,提出马芜铜宜城市带区域旅游协作应该优先发展长江旅游线,各中心城市据点启带动作用辐射整个协作区。尝试构建该区域旅游协作的具体可行模式,包括城市带的旅游区域组合和区域旅游主题产品组合。     

上海浦东新区电子信息与生物医药企业创新合作网络比较研究

企业创新合作网络是企业利用外部资源的通道。基于技术特征不同等原因,电子与信息产业和生物医药产业的企业创新合作网络呈现出相似性和差异性。文章通过研究上海浦东新区电子与信息产业和生物医药产业的企业创新信息来源及与创新合作伙伴交流情况,认为这两个产业的企业创新合作网络建设还处于一个初级阶段。由于绝大多数生物医药和电子与信息企业属于植入型的企业,尤其不少是跨国公司企业,母公司、国外供应商是其主要的创新合作伙伴,他们的本地根植性较弱。生物医药企业创新合作网络更体现出技术驱动的特征,与高校、科研机构的创新合作交流比较频繁;而客户在电子与信息企业的创新过程中越来越重要,与客户的创新合作交流要比生物医药企业更紧密。     

CAD标准是规范勘察设计企业协同设计活动的基本准则

基于我国目前勘察设计企业的设计管理的发展趋势与存在的问题,概述了协同设计的基本概念和特点,以及基于网络化的CAD协同设计面临的基础性问题,提出了CAD标准是规范勘察设计企业协同设计活动的基本准则的观点,同时介绍了本企业在CAD标准编制、实施以及不断修编和完善方面的基本情况。并根据积累的经验,介绍了设计企业在CAD规范编制过程中所应注意的内容分类方法与实施步骤。对一般设计企业在设计活动中的规范管理具有非常重要的参考意义。     

Organizing a professional-amateur collaboration with a Lhires III spectrograph

Amateur spectroscopists are getting organized to contribute to professional astronomy work. We present here the work done within the AUDE association to design, manufacture and distribute the Lhires III high-resolution Littrow spectrograph, which fits usual amateur telescopes and CCD cameras. We also review how the communication is organized through the ARAS distribution list (Spectro-L), forums, and workshops to develop and promote spectroscopic work among amateurs. Last but not least, we introduce the Be stars spectra (BeSS) Virtual Observatory-compatible database and its use for the monitoring of Be stars in association with the COROT satellite.