Subjects: Library Science,Information Science >> Library Science submitted time 2023-08-27 Cooperative journals: 《图书情报工作》
Abstract: [Purpose/significance] This paper aims to meet personalized retrieval needs of digital library users for numerical knowledge, and realize the fine-grained knowledge service.[Method/process] Based on the analysis of numerical knowledge element, it proposes a method of identifying, extracting, indexing and retrieving numerical knowledge elements, and constructs a retrieval system for numerical knowledge elements. [Result/conclusion] In addition, the case study shows that the meta-knowledge service based on numerical knowledge can improve the efficiency and user satisfaction of retrieving and using numerical knowledge.