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DOI 的主要目的是惟一标识网络环境下的各种信息资源实体,包括各种物理和数字资源,它包括四个部分:数字对象标识符的编码规则、解析系统、元数据框架以及分配和管理机制,其显而易见的惟一和兼容性,正在成为研究人员查找文献、提高论文引用率的最便捷的工具.  相似文献   
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ABSTRACT

Using Artl@s as an example of a project that relies on volunteered geographic information (VGI), this article examines the specific challenges that exist, beyond those frequently discussed in general VGI systems (e.g., participants’ motivation and data quality control) in regard to sharing research data in humanities: (1) most data from the humanities is qualitative and collected from multiple data sources which are often inconsistent and unmappable; (2) data is usually interconnected with multiple relationships among different tables which creates challenges for both mapping and query functionality; (3) data is both geographical and historical. Consequently addresses that no longer exist have to be geolocated and visualized on historical basemaps and spaces must be represented diachronically; (4) the design of web map application needs to balance both sophisticated research requirements and a user-friendly interface; (5) finally contributors expect their data to be cited or acknowledged when used in other studies and users need metadata and citation information in order to reuse and repurpose datasets.

In this article, we discuss how Artl@s, a project which developed a georeferenced historical database of exhibition catalogues, addresses these challenges. Artl@s provides a case study for VGI adoption by digital humanities scholars for research data sharing, as it offers features, such as flexible batch data contribution, interrelated spatial query, automatic geolocalization of historical addresses, and data citation mechanisms.  相似文献   
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Since ions originating from the ionosphere were discovered in the magnetosphere in the be-ginning of 1970s[1], it is gradually confirmed that the ionosphere is a source of magnetospheric ion (the other source is solar wind). Research result on ionospheric…  相似文献   
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