arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 0707.0609physics.soc-phcond-mat.dis-nnphysics.data-an
收藏

复杂网络上的随机游走映射揭示了社区结构

Maps of random walks on complex networks reveal community structure

M. Rosvall, C. T. Bergstrom

摘要:

为了理解大规模生物和社会系统的多方组织,我们引入了一种新的信息理论方法,揭示了加权和定向网络中的社区结构。该方法通过最佳地压缩网络上的信息流的描述来将网络分解成模块。其结果是一个地图,既简化和突出显示的结构和它们的关系。我们通过绘制一张科学传播图来说明这种方法,这张图是在6000多种期刊的引文模式中捕获的。我们发现了一个多中心的组织,其领域在规模和融入科学网络的程度上差异很大。沿着网络的主干--包括物理学、化学、分子生物学和医学--信息是双向流动的,但地图揭示了从应用领域到基础科学的定向引用模式。

英文摘要:

To comprehend the multipartite organization of large-scale biological and social systems, we introduce a new information theoretic approach that reveals community structure in weighted and directed networks. The method decomposes a network into modules by optimally compressing a description of information flows on the network. The result is a map that both simplifies and highlights the regularities in the structure and their relationships. We illustrate the method by making a map of scientific communication as captured in the citation patterns of more than 6000 journals. We discover a multicentric organization with fields that vary dramatically in size and degree of integration into the network of science. Along the backbone of the network -- including physics, chemistry, molecular biology, and medicine -- information flows bidirectionally, but the map reveals a directional pattern of citation from the applied fields to the basic sciences.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑