KeyWorld: Extracting Keywords from a Document as a Small World
Yutaka Matsuo, Yukio Ohsawa, Mitsuru Ishizuka · 2001
The small world topology is known widespread in biological, social and man-made systems. This paper shows that the small world structure also exists in documents, such as papers. A document is represented by a network; the nodes represent terms, and the edges represent the co-occurrence of terms. This network is shown to have the characteristics of being small world, i.e., highly clustered and short path length.