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Mdale: This screen cast will give you an introduction to the metavid project. You can learn more about metavid at metavid.org

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Mdale: Metavid started with two art students attempting to do political mashups incorpoerating footage of their representatives. They discovered the only footage avaliable was in a proprietary archive at 60$/h, and forbid reuse online. This seemed like a high cost to pay for public domain footage. So As a thesis project they decided to build an archive to make that content available for free, without restrictions. to download and reuse.

0:00:45 to 0:00:58( Edit History Discussion )

Mdale: This screen cast will give you an overview of the metavid Wiki software. This overview covers simple searching and viewing, re-posting clips to your blog, using rss feeds, helping improving the archive, making sequences and advanced searches.

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Mdale: We can focus on a particular person n we can say every time surveillance was mentioned by Christopher Bond and re run the search

0:02:27 to 0:02:57( Edit History Discussion )

Mdale: Search for Iraq we see we get thousands of results if we limit to be spoken by Hillery Clinton or Barack Obama we use that or operator and run it again. so we get a subset of clips.

0:03:19 to 0:03:50( Edit History Discussion )

Mdale: lets look at blogging clips . here we just have to grab this embed code copy it into our blogger account paste in the html and then we can publish the blog post and then view the blog, and it should show up there in-inline, here it is.

0:03:50 to 0:04:13( Edit History Discussion )

Mdale: people can play it inline in your browser, full screen, stop it, they can also download a version from if they want to download to local disk. Copies are hosted on archive.org in a number of different formats.

0:04:33 to 0:05:00( Edit History Discussion )

Mdale: Continuing right along we will talk about Rss Feeds. Again every time you do a searches it creates an rss feed. So In this case we have our search we have our search feed of Hillary Clinton or Barack Obama that we can scroll though. We can add it using firefox live bookmarks.

0:05:00 to 0:05:45( Edit History Discussion )

Mdale: Plug it into programs like miro here is a separate example of subscription to ever time Dennis Kucinch appears on the floor. We can also use it in your igoogle or my yahoo or whatever. We can go ahead and add that here. Then we can go back to the i-google home and we have matches by Hillary Clinton

0:06:17 to 0:06:44( Edit History Discussion )

Mdale: for proceeding of august 1st of 07 it has two timelines here one for the annotative layer and one for the actual text transcripts. This separation is useful for tagging long ranges of text in this case been tagged of opening prayer.

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Mdale: you can play different clips here so here is Harry Reid giving a some talk about the morning schedule we can stop that ... you can shift things around so if we play here it says 2:64 so lets go ahead and improve this

0:08:18 to 0:08:45( Edit History Discussion )

Mdale: you can do this for text to the more people that participate in that way the more will improve the archive. Also for streams that don't have transcripts yet we can add new transcript or new annotation layer. only one at a time

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Mdale: Sort of navigation you notice we are only looking the first 20 mint of the stream so first two speeches of the first 20 minutes we can continue through the stream with these little forward and next buttons we can also directly modify the URL. I don't know if you can see that, right here.

0:09:56 to 0:10:20( Edit History Discussion )

Mdale: We will quickly cover sequences, sequences are a way for metavid participants to group together sets of clips they find interesting or make an edit list so they can embed a play list rather than one clip its a sequence of clips.

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Mdale: This is a test Sequence that we been working on. We can edit that it will pull up the in browser sequence editor. you can scrub around zoom in zoom out set in and out points for the clips rearrange them and then play

0:11:05 to 0:11:15( Edit History Discussion )

Mdale: add to the end of the sequence. So then we have that clip added.

0:11:30 to 0:11:51( Edit History Discussion )

Mdale: Cover some of the more advanced features of metavid. We have done a pretty substantial screen scrape of several of the congress data web sites out there including maplight and govTrack

0:11:51 to 0:12:15( Edit History Discussion )

Mdale: addtional metadata per person, per bill, per interest group level and relate all these properties with semantic mediaWiki so essentially here is a persons page we have Byron Dorgan heres the last few speeches with the categories they are in. Bills that he has sponsored, bill that he has co-sponsored.

0:12:45 to 0:13:05( Edit History Discussion )

Mdale: we get the speeches by people that have received more than a million from that interest group. If we click though to this person we can confirm their contributions from Attorneys & law exceed a million

0:13:12 to 0:13:52( Edit History Discussion )

Mdale: MetaVidWiki is free software built on free software. Its an extension to mediaWiki also extends semantic media wiki as you saw earlier with the semantic queries and is built on a lot of tools from the xiph foundation since we use (patented unencumbered) open source video and also use annodex technologies to structure metdata, serve up portions of ogg streams, and support in-browser playback through their ogg-plugin

0:13:52 to 0:14:10( Edit History Discussion )

Mdale: Because metavid is open source we have already seen some great applications aside from our congress video data set there are some open source hackers in Missoula have pointed it at their city council which is a promising project.

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Mdale: metavid would like to thank the sunlight foundation for the grant to work on this project for the last year and also the university of Santa Cruz for hosting our site.