Coming back to an old thread. We now extract references from Wikipedia and are available in the 2015-10 beta release
citation_data_en.ttl.bz2 <http://downloads.dbpedia.org/2015-10/core-i18n/en/citation_data_en.ttl.bz2>citation_links_en.ttl.bz2 <http://downloads.dbpedia.org/2015-10/core-i18n/en/citation_links_en.ttl.bz2> any feedback is more than welcome Best, Dimitris On Thu, Jun 4, 2015 at 3:00 PM, Markus Krötzsch < mar...@semantic-mediawiki.org> wrote: > On 04.06.2015 12:17, Dimitris Kontokostas wrote: > ... > >> >> Another question: can DBpedia extract references from Wikipedia >> articles too? If this would be possible, it might be feasible to >> guess and suggest a reference (or a list of references). Especially >> with things like date of death, one would expect that references >> have a publication date very close to (but strictly after) the >> event, which could narrow down the choices very much. >> >> >> We don't extract them for now, although I think we could relatively >> easily. The problem in this case would be that we cannot associate >> references with facts. The DBpedia Information Extraction Framework is >> quite module and can be easily extended with new extractors but it is >> hard to make these extractors "talk to each other". >> So we could easily get something like the following >> dbp:A dbo:birthDate "..." >> dbp:A dbo:deahthDate "..." >> dbp:A dbo:reference dbp:r1 # and maybe " dbp:r1 ....something else" >> depending on the modeling >> dbp:A dbo:reference dbp:r2 >> >> but not sure if this solves your problem >> > > Yes, I understand that you can hardly get the association between > extracted facts and references. My suggestion was to extract both > independently and then to query for references that have a publication date > close to a person's death so as to suggest them to users as a possible > reference for the death-date fact. This would still require a manual check, > since we cannot know if the guessed reference belongs to the date of death, > but if it has a high precision it would be a worthwhile way of spending > volunteer time to obtain confirmed references. > > At the same time, it might be one of the fastest ways to get sourced date > of death into Wikidata, since news articles will usually appear before the > major authority files are updated (so even if we get donations from them, > some lag would remain). With such an extraction framework, one could > establish a pipeline from Wikipedia to Wikidata. > > In the long run, references from authority files will become more valuable > than news articles, because they are more long-lived. > > Best wishes, > > Markus > > > > _______________________________________________ > Wikidata mailing list > Wikidata@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikidata > -- Kontokostas Dimitris
_______________________________________________ Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata
