org.dbpedia.extraction.scripts

MapObjectUris

object MapObjectUris

Maps old object URIs in triple files to new object URIs: - read one or more triple files that contain the URI mapping:

Redirects SHOULD be resolved in the following datasets:

disambiguations infobox-properties mappingbased-properties page-links persondata topical-concepts

Redirects seem to be so rare in categories that it doesn't make sense to resolve these:

article-categories skos-categories

The following datasets DO NOT have object URIs that can be redirected:

category-labels external-links flickr-wrappr-links geo-coordinates homepages images infobox-property-definitions infobox-test instance-types iri-same-as-uri labels specific-mappingbased-properties

Maybe we should resolve redirects in interlanguage-links, but we would have to integrate redirect resolution into interlanguage link resolution. We're pretty strict when we generate interlanguage-links-same-as. If we resolve redirects in interlanguage-links, we would probably gain a few interlanguage-links (tenths of a percent), but we would not eliminate errors.

Example call: ../run MapObjectUris /data/dbpedia transitive-redirects .nt.gz infobox-properties,mappingbased-properties,... -redirected .nt.gz,.nq.gz 10000-

The following should be redirected (as of 2012-07-11) disambiguations,infobox-properties,mappingbased-properties,page-links,persondata,topical-concepts (specific-mappingbased-properties is not necessary, it has only literal values)

TODO: merge with CanonicalizeUris?

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