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open access

An exploration of text mining of narrative reports of injury incidents to assess risk

Description: In this article, a topic model was explored using unsupervised machine learning to summarized free-text narrative reports of 77,215 injuries that occurred in coal mines in the USA between 2000 and 2015. Latent Dirichlet Allocation modeling processes identified six topics from the free-text data. The modeling success enjoyed in this exploratory effort suggests that additional topic mining of these injury text narratives is justified, especially using a broad set of covariates to explain variatio… more
Date: December 14, 2018
Creator: Passmore, David L.; Chae, Chungil; Kustikova, Yulia; Baker, Rose M. & Yim, Jeong-Ha
open access

Contextual Metadata in Digital Aggregations: Application of Collection-Level Subject Metadata and its Role in User Interactions and Information Retrieval

Description: Article discussing a study of contextual metadata in digital aggregations. Results of this study prove importance of provision of collection-level metadata in general and subject metadata in particular to enhance user experiences and information retrieval in digital libraries.
Date: December 19, 2011
Creator: Zavalina, Oksana
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