中文摘要：

学术博客日益引起学界的重视。作为重要特性的链接促使学术博客成为知识交流与共享的便捷平台。在文献调研的基础上，本文提出了学术博客中链接的类型；进一步，通过调查35个不同学科的学术博客，分析链接所指向的页面性质和被链接文本的特性，将学术博客中的链接类型进行细化；在此基础上，探究各链接在学术博客中所起的作用。结果显示，学术博客存在丰富的、不同类型的链接，且引用链接所占比重最大；这些链接主要发挥学术性功能和社交性功能，所起的作用主要有提供相关信息，进行内容组织与管理，建立学术身份与提高可信度，形成社区与保持关系，以及促进知识交流与共享等。

英文摘要：

Scholars are paying increased attention to academic blogs. Hyperlinking, as a crucial characteristic, makes academic blogs be convenient platforms for knowledge communication and sharing. On the basis of literature review, this paper puts forward types of hyperlinks in academic blogs. Furthermore, data are collected from 35 blogs in different disciplines, and types of links are refined by analyzing pages and texts hyperlinked. Finally the roles that hyperlinks play in the academic blogs are explored. Results show that, a variety of hyperlinks are used by academic bloggers, and reference links account for the most. The hyperlinks play the roles of scholarly and social for several purposes, among others to provide relevant information, to organize and manage contents, to create scholarly identity and improve academic credibility, to form communities and build relationships, and to foster knowledge communication and sharing.