Seeing the Unseen: an approach for visualising situated statements in the Cultural Heritage domain

Data visualisation tools, including semantic technologies, help users to explore novel connections in a dataset and generate new knowledge. In recent years, semantic models have been the subject of new formalisations capable of effectively conveying complex qualitative information, including meta-information (provenance, reliability) and contexts, particularly relevant in the cultural heritage (CH) domain where historical data are often ambiguous, contested, or missing. Nevertheless, there is still a lack of adequate insights into the practices and epistemological models in visualising uncertain data for the humanities. The present paper, therefore, aims to: (1) identify some of the main strategies for representing and visualizing qualitative information in the digital humanities domain; and (2) suggest the use of higraphs as a technique for visualizing complex statements in the context of semantic applications.