Wikidata, which has accumulated 900 million entries to date, but also faces the challenge of bad data. For example, duplicate entry names or content. Second, the Wikipedia source entries that have moved or the content have been updated, but the cross-referenced Wikidata entries have not been adjusted.
This talk shares the experience of using open source tools and the MediaWiki open data APIs to detect and help to fix the bad data issues.
About Hong-I Hsu