Hi all,
I'm working on my master thesis and my work concerns to understand the
syncronization process between Wikipedia and DBpedia live-uptades
(changesets). In the following I describe some of the problems I came
across and I would like to have an answer:
First, according to the changes made in Wikipedia and the ones reported in
DBpedia, I cannot identify a corrispondence one to one. In other words, I
found that there are a lot of added and removed triples for a resource in
DBpedia than the changes of the same resource shown in Wikipedia history
page. How does it come? I was expecting that a change in change in the
Wikipedia infobox of an article is mapped in DBpedia as an added/removed
triple for the same article/resource.
Second, based on the structure of live-updates of DBpedia there is an
incompatibility between a folder and its correspondent zip folder, e.g., if
we consider zip folder 2012-09-01.tar.gz and the folder 2012-09-01, we find
that there are triples that are present in the former folder and missing in
the latter one. Is it caused because the system is down sometimes? In case
of a positive answer, which folder should we take in consideration for our
analysis?
Last point but not less relevant regards to the last modified field
associated with the added/removed file. I want to understand if the last
modified value corresponds either to the effective time of the change
carried out in a DBpedia resource or to the uploading time of the
added/removed file in the changeset?
Best regards,
Andrea Giacomini
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