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Sunday 7 September 2008

DBTune wins the second prize in the Triplify challenge!

I submitted DBTune to the Triplify challenge, a couple of months ago. The text of the submission is there. The results of the challenge were given on Friday, at the i-semantics conference. Many many thanks to Michael Hausenblas for representing DBTune there!

And, DBTune won the second prize! Here is a picture of the prize ceremony:

Congratulations to the winners, LinkedMDB, for their amazing work and well-deserved prize, and many thanks to Sören Auer for organizing the challenge!

Thursday 31 July 2008

Semantic search on aggregated music data

I just moved the semantic search demo to a faster server, so it should hopefully be a lot more reliable. This demo uses the amazing ClioPatria on top of an aggregation of music-related data. This aggregation was simply constructed by taking a bunch of Creative Commons MP3s, running GNAT on them, and crawling linked data starting from the web identifiers outputted by GNAT.

I also set up the search tab to work correctly. For example, when you search for "punk", you get the following results.

Punk search 1

Punk search 2

Note that the results are explained: "punk" might be related to the title, the biography, a tag, the lyrics, content-based similarity to something tagged as punk (although it looks like Henry crashed in the middle of the aggregation, so not a lot of such data is available yet), etc. Moreover, you get back different types of resources: artists, records, tracks, lyrics, performances etc.

For example, if you click on one of the records, you get the following.

Punk search 3

This record is available under a Creative Commons license, so you can get a direct access to the corresponding XSPF playlist, Bittorrent items etc., by following the Music Ontology "available as" property. For example, you can click on an XSPF playlist, and listen to the selected record.

Punk search 4

Of course, you can still do the previous things - plotting music artists (or search results, just take a look at the "view" drop-down box) on a map, on a time-line, browse using facets, etc.

Btw, if you like DBTune, please vote for it in the Triplify Challenge! :-)

Wednesday 9 July 2008

Nominated!

We learned yesterday that DBTune was nominated for the Triplify Challenge! The other seven projects are really interesting as well, so I guess the competition will be really high! The final results will be given at the I-Semantics conference in early September.

Also, Tim Berners-Lee made a great talk about linked data and the semantic web on Radio 4 earlier today. The first use-case he mentions sounds quite familiar: finding bands based on geo-location data. He already mentioned that in one of his blog posts, linking to this screencast.

An interesting discussion took place on the Linking Open Data mailing list just afterwards, to gather use-cases for explaining to a general public what linked data can be useful for.