The missing path: Analysing incompleteness in knowledge graphs

IF 1.8 4区 计算机科学 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING
Marie Destandau, Jean-Daniel Fekete
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引用次数: 10

Abstract

Knowledge Graphs (KG) allow to merge and connect heterogeneous data despite their differences; they are incomplete by design. Yet, KG data producers need to ensure the best level of completeness, as far as possible. The difficulty is that they have no means to distinguish cases where incomplete entities could and should be fixed. We present a new visualization tool: The Missing Path, to support them in identifying coherent subsets of entities that can be repaired. It relies on a map, grouping entities according to their incomplete profile. The map is coordinated with histograms and stacked charts to support interactive exploration and analysis; the summary of a subset can be compared with the one of the full collection to reveal its distinctive features. We conduct an iterative design process and evaluation with nine Wikidata contributors. Participants gain insights and find various strategies to identify coherent subsets to be fixed.
缺失的路径:分析知识图中的不完备性
知识图(KG)允许合并和连接异构数据,尽管它们存在差异;它们的设计是不完整的。然而,KG数据生产者需要尽可能地确保最佳的完整性。困难在于,它们没有办法区分哪些情况下不完整的实体可以而且应该被修复。我们提出了一个新的可视化工具:缺失路径,以支持他们识别可以修复的实体的连贯子集。它依赖于一张地图,根据实体的不完整概况对它们进行分组。地图与直方图和堆叠图表相协调,以支持交互式探索和分析;一个子集的摘要可以与一个完整的集合进行比较,以揭示其独特的特征。我们与九个维基数据贡献者一起进行迭代设计过程和评估。参与者获得洞察力并找到各种策略来确定要固定的连贯子集。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Information Visualization
Information Visualization COMPUTER SCIENCE, SOFTWARE ENGINEERING-
CiteScore
5.40
自引率
0.00%
发文量
16
审稿时长
>12 weeks
期刊介绍: Information Visualization is essential reading for researchers and practitioners of information visualization and is of interest to computer scientists and data analysts working on related specialisms. This journal is an international, peer-reviewed journal publishing articles on fundamental research and applications of information visualization. The journal acts as a dedicated forum for the theories, methodologies, techniques and evaluations of information visualization and its applications. The journal is a core vehicle for developing a generic research agenda for the field by identifying and developing the unique and significant aspects of information visualization. Emphasis is placed on interdisciplinary material and on the close connection between theory and practice. This journal is a member of the Committee on Publication Ethics (COPE).
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