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Automated Quality Assessment of Metadata across Open Data Portals
Sebastian Neumaier, Jürgen Umbrich, Axel Polleres
Article No.: 2
The Open Data movement has become a driver for publicly available data on the Web. More and more data—from governments and public institutions but also from the private sector—are made available online and are mainly published in...
Towards More Accurate Statistical Profiling of Deployed schema.org Microdata
Robert Meusel, Dominique Ritze, Heiko Paulheim
Article No.: 3
Being promoted by major search engines such as Google, Yahoo!, Bing, and Yandex, Microdata embedded in web pages, especially using schema.org, has become one of the most important markup languages for the Web. However, deployed Microdata is...
Luzzu—A Methodology and Framework for Linked Data Quality Assessment
Jeremy Debattista, SÖren Auer, Christoph Lange
Article No.: 4
The increasing variety of Linked Data on the Web makes it challenging to determine the quality of this data and, subsequently, to make this information explicit to data consumers. Despite the availability of a number of tools and frameworks to...
Recent efforts in data cleaning of structured data have focused exclusively on problems like data deduplication, record matching, and data standardization; none of the approaches addressing these problems focus on fixing incorrect attribute values...