A new similarity measure for subject hierarchical structures

• Published in: Journal of documentation Vol. 70; no. 3; pp. 364 - 391
• Main Authors: Zhang, Jin, Lei Zeng, Marcia
• Format: Journal Article
• Language: English
• Published: Bingley Emerald Group Publishing Limited 06.05.2014; Emerald
• Subjects: Classification; Computer science; Diabetes; Directories; Document management; Exact sciences and technology; Indexing; Individualized Instruction; Information and communication sciences; Information retrieval; Information science. Documentation; Knowledge organization; Library & information science; Library and information science. General aspects; Nodes; Records management & preservation; Reference Materials; Researchers; Sciences and techniques of general use; Semantics; Semiotics; Similarity; Similarity measures; Social research; Structural hierarchy; Subject heading schemes; Taxonomy; Subject hierarchical structure comparison method; Subject hierarchical structure similarity measure; Tree similarity; Measurement; Similarity; Method; Structure; Topic; Comparative study

Purpose – The purpose of this paper is to introduce a new similarity method to gauge the differences between two subject hierarchical structures. Design/methodology/approach – In the proposed similarity measure, nodes on two hierarchical structures are projected onto a two-dimensional space, respect...