Abstract
The lack of granular and rich descriptive metadata highly affects the discoverability and usability of cultural heritage collections aggregated and served through digital platforms, such as Europeana, thus compromising the user experience. In this context, metadata enrichment services through automated analysis and feature extraction along with crowdsourcing annotation services can offer a great opportunity for improving the metadata quality of digital cultural content in a scalable way, while at the same time engaging different user communities and raising awareness about cultural heritage assets. To address this need, we propose the CrowdHeritage open end-to-end enrichment and crowdsourcing ecosystem, which supports an end-to-end workflow for the improvement of cultural heritage metadata by employing crowdsourcing and by combining machine and human intelligence to serve the particular requirements of the cultural heritage domain. The proposed solution repurposes, extends, and combines in an innovative way general-purpose state-of-the-art AI tools, semantic technologies, and aggregation mechanisms with a novel crowdsourcing platform, so as to support seamless enrichment workflows for improving the quality of CH metadata in a scalable, cost-effective, and amusing way.
Highlights
Digital technology is transforming the way in which Cultural Heritage (CH) is produced, presented, and experienced
We present CrowdHeritage, an ecosystem that aims to combine machine and human intelligence in order to improve the metadata quality of digital cultural heritage collections available in CH portals
The tools interact with the crowdsourcing platform along two directions: they can supply it with datasets that have been automatically enriched and ask the crowd to validate the automatic annotations; and they can take datasets annotated by humans as ground-truth data
Summary
Digital technology is transforming the way in which Cultural Heritage (CH) is produced, presented, and experienced. In the last two decades, a number of initiatives at organizational, regional, national and international level have focused on aggregating and facilitating access to digital cultural content, giving rise to a number of thematic, domain-based as well as crossdomain CH hubs and web platforms, such as the European Digital Library Europeana (www.europeana.eu), the Digital Public Library of America (DPLA, https://dp.la), and many others. These initiatives aim on one hand to streamline the aggregation process and make it easier for CH Institutions to prepare and share high-quality content and, on the other, to engage users from different audiences-from educators and creatives to researchers and the general public-via a number of added-value services that make content make readily available for browsing, search, study, and reuse
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