Dear DBpedians, Shortly after the 2015-04 release we started working on the new 2015-10 to keep up with our two releases per year schedule. We hope to be able to publish the new release at the end of November.
As a lot of new languages and infobox-to-ontology mappings for various languages have already been entered by the mapping editors community into the DBpedia Mapping Wiki (http://mappings.dbpedia.org/ <http://mappings.dbpedia.org/index.php/Main_Page>) since the last DBpedia release, we hope to be able to provide clean data for even more infoboxes in even more languages with the new release. With this email, we would also like to ask all members of the mapping editors community for their help with the upcoming DBpedia release in the form of a *MappingSprint*: 1. Could you please check whether the mappings that you have entered into the wiki over the last year still work correctly? 2. If you still want to refine and extend mappings and/or the ontology, now would be the perfect time to do so. 3. In order to help increasing the infobox coverage of the new release, it would also be great if you map additional templates or additional properties of existing templates to the ontology. Also note that now we have separate issue trackers for the mappings and the ontology where we discuss design issues https://github.com/dbpedia/ontology-tracker/issues https://github.com/dbpedia/mappings-tracker/issues For helping you see which widely used templates still require additional property mappings, we have updated the Mapping Wiki statistics for all languages: http://mappings.dbpedia.org/server/statistics/ Further functionality for testing and exploring the current mappings is available at: http://mappings.dbpedia.org/server/ for example mapping syntax errors http://mappings.dbpedia.org/server/mappings/fr/validate/* *New additions since the last sprint* Redirects that need to be fixed (moved / merged) http://mappings.dbpedia.org/server/mappings/en/redirects/ Wrong mappings (according to our ontology). http://mappings.dbpedia.org/validation/ Wikidata mappings (create owl:equivalent classes & properties to Wikidata) http://mappings.dbpedia.org/server/ontology/wikidata/missing/ *Examples* For the English Wikipedia edition, you can see for instance at http://mappings.dbpedia.org/server/statistics/en/?show=100 that there is still room for improving the mappings. The statistics for German, Spanish and French are found below and also still show lots of gaps for these important languages: http://mappings.dbpedia.org/server/statistics/de/?show=100 http://mappings.dbpedia.org/server/statistics/es/?show=100 http://mappings.dbpedia.org/server/statistics/fr/?show=100 You also have a possibility to see the list of errors for the current mappings, for instance for French you can validate either a specific mapping or all mappings at once http://mappings.dbpedia.org/server/mappings/fr/ http://mappings.dbpedia.org/server/mappings/fr/validate/* - error list for all French mappings If you want to to refine and extend the ontology, note that you can add links between the DBpedia ontology and other schemata/ontologies, e.g. to schema.org or Wikidata as in the example below http://mappings.dbpedia.org/index.php/OntologyProperty:Author Wikipedia infobox templates evolve over time and some of our mappings need to catch up as well. Some cases are simple where a simple move would do (double check the new mapToClass) while others require merging (we have a mapping both for the redirect and the target) http://mappings.dbpedia.org/server/mappings/en/redirects/ Invalid mappings report the use of properties in a mapping that does not comply with the property domain definition. In these case we could a) change the property and find a more appropriate one, b) broaden the domain of the property or c) adjust the class hierarchy (BE Carefull with this one!!!) http://mappings.dbpedia.org/validation/ *Deadline* We will use all mappings that are entered into the Mapping Wiki until *Oct 31st* for the upcoming DBpedia release. It would thus be great if as many editors as possible participate in the mapping sprint and we as a community try to increase the mapping coverage as far as possible until this date. Lots of thanks advance to all mapping editors who participate. Let's all try to make the next DBpedia release even better! Best wishes, Markus Freudenberg, Dimitris Kontokostas, Sebastian Hellmann
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