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Tag Metadata in Feeds

2008 Aug 25, 10:13

As noted previously, my page consists of the aggregation of my various feeds and in working on that code recently it was again brought to my attention that everyone has different ways of representing tag metadata in feeds. I made up a list of how my various feed sources represent tags and list that data here so that it might help others in the future.

Tag markup from various sources
Source Feed Type Tag Markup Scheme One Tag Per Element Tag Scheme URI Human / Machine Names Example Markup
LiveJournal Atom atom:category yes no no , (source)
LiveJournal RSS 2.0 rss2:category yes no no technical
(soure)
WordPress RSS 2.0 rss2:category yes no no , (source)
Delicious RSS 1.0 dc:subject no no no photosynth photos 3d tool
(source)
Delicious RSS 2.0 rss2:category yes yes no domain="http://delicious.com/SequelGuy/">
hulu

(source)
Flickr Atom atom:category yes yes no term="seattle"
scheme="http://www.flickr.com/photos/tags/" />

(source)
Flickr RSS 2.0 media:category no yes no scheme="urn:flickr:tags">
seattle washington baseball mariners

(source)
YouTube RSS 2.0 media:category no no no label="Tags">
bunny rabbit yawn cadbury

(source)
LibraryThing RSS 2.0 No explicit tag metadata. no no no n/a, (source)
Tag markup scheme
Tag Markup Scheme Notes Example
Atom Category
atom:category
xmlns:atom="http://www.w3.org/2005/Atom"
category/@term
Required category name.
category/@scheme
Optional IRI id'ing the categorization scheme.
category/@label
Optional human readable category name.
term="catName"
scheme="tag:deletethis.net,2008:tagscheme"
label="category name in human readable format"/>
RSS 2.0 category
rss2:category
empty namespace
category/@domain
Optional string id'ing the categorization scheme.
category/text()
Required category name. The value of the element is a forward-slash-separated string that identifies a hierarchic location in the indicated taxonomy. Processors may establish conventions for the interpretation of categories.
domain="tag:deletethis.net,2008:tagscheme">
MSFT
Yahoo Media RSS Module category
media:category
xmlns:media="http://search.yahoo.com/mrss/"
category/text()
Required category name.
category/@domain
Optional string id'ing the categorization scheme.
scheme="http://dmoz.org"
label="Ace Ventura - Pet Detective">
Arts/Movies/Titles/A/Ace_Ventura_Series/Ace_Ventura_-_Pet_Detective
Dublin Core subject
dc:subject
xmlns:dc="http://purl.org/dc/elements/1.1/"
subject/text()
Required category name. Typically, the subject will be represented using keywords, key phrases, or classification codes. Recommended best practice is to use a controlled vocabulary.
humor

Update 2009-9-14: Added WordPress to the Tag Markup table and namespaces to the Tag Markup Scheme table.

PermalinkCommentsfeed media delicious technical atom youtube yahoo rss tag

Microsoft launches 3D wonder Photosynth for consumers | Webware : Cool Web apps for everyone - CNET

2008 Aug 22, 5:35Photosynth now available and easy to use: "Photosynth, a technology demo from Microsoft Live Labs, has graduated from its "ooh, that's pretty" status to being a viable Web service for consumers. The technology, which takes a grouping of photographs and stitches them into a faux 3D environment, can now be implemented with photos you've taken on your digital camera or mobile phone, and converted right on your computer. Previously, the process of stitching these photos together took weeks of processing on specially configured server arrays. With its latest version, Microsoft has managed to shrink that into around the time it takes to upload your photos."PermalinkCommentsvia:felix42 photosynth photos photography 3d microsoft free tool

Braid Recommendation

2008 Aug 14, 9:38

Braid screen shot. By gamerscoreblogI recently finished Braid, the Xbox Live game, and a comparison with Portal is helpful. From a screen shot Braid looks like a normal 2D platformer, but that's like looking at a screen shot of Portal and saying its a first person shooter. While the scaffolding of the game-play may sort of fall into that category, the games are actually about exploring the character's ability and solving puzzles. In Portal the ability is bending space and in Braid its bending time. However, whereas in Portal there is one space bending mechanism, the portal gun, Braid's protagonist explores several different time bending techniques including, most prominently, reversing time, but also time dilation, multiple time-lines, and other odd things.

Similar to the difference in game-play, while Portal has a strict simplicity to its visual style, Braid is much more ornate, like you're playing in an oil painting. Without seeing video of the game, or playing the demo (which is available for free on Xbox Live) its difficult to convey, but it is quite lovely and the animation adds quite a bit. Both games too are rather short leaving you just a bit hungry for more and have an interesting plot and an ending that I'd hate to spoil although Braid replaces Portal's humor with melancholy. If you enjoyed Portal and Twelve Monkeys then I'd recommend Braid.

PermalinkCommentsbraid game videogame portal nontechnical

How to Clean Old Markings off a Whiteboard (super secret method)

2008 Aug 8, 2:51

Photo of Whiteboard, by Richard HoldenI've got a new office and I must clean off my inherited whiteboard. The previous owner left various diagrams, code snippets, etc. on for such a time that they can no longer be erased by conventional means: the whiteboard eraser is useless! I couldn't find any whiteboard cleaner either, but Ali told me the following secret. You can write over the dried on text with a normal dry erase marker. When you erase the new markings the old are erased as well. It sounds too fantastic, but believe me, its true! I don't know the brand or material of the whiteboard but the whiteboard markers are 'Expo, Bold Color Dry Erase'.

PermalinkCommentserase howto whiteboard office secret nontechnical

New office, new cubes

2008 Aug 5, 6:32

Second Window OfficeNew Patent CubesMy previous window office was ripped from me when our team moved buildings but now I've got another. The photo is poor because I didn't get the lighting correct and it depicts the office before I've moved all my crap into it. I have a lovely view of our parking lot and freeway which Jane spun as an 'urban view'. At any rate I'm not complaining: I like knowing what its like outside and that there is an outside. The day after I found out about my office, I also got two new patent cubes. I didn't have any pictures last time so I took some now and blacked out their text for fear of laywers.

PermalinkCommentsmicrosoft patent cube office nontechnical

Dark Knight and Mariners Baseball

2008 Aug 4, 8:39

The weekend before last I saw Dark Knight with some friends from work and then we all ate at Z'Tejas after. Like everyone has said and as the name implies Dark Knight is... dark. Dark Knight was a little over the top at times as compared to Batman Begins but I really enjoyed it. Two times during the movie I thought it had ended but I was wrong. The Joker is both frightening (Cringe inducing line "Wanna know how I got these scars?") and humorous ("Where is Harvey Dent? ... You know where Harvey is? You know who he is?", as well as the pencil magic trick). I can certainly recommend it to anyone who enjoyed Batman Begins. The previews included Burn After Reading a new Coen Brother's comedy that I look forward to, and Quantum of Solace which hopefully does the same thing Dark Knight has, keep up the new direction on the refreshed franchise.

Safeco Field Suite photoThis past weekend Sarah and I went to a Mariners baseball game. I think this is the first MLB baseball game I've seen in person. Sarah's company gave out tickets for the game and the use of a suite. Its a room half way up the stadium with comfortable chairs, a mini-fridge built-in to the marble counter-topped center table, and a big flat screen television with the game on it. I suppose that's in case you don't want to turn to the right and sit at the window, or walk out onto the balcony which features three rows of comfy chairs overlooking the field. Anyway there was free food and drinks and I met some of the people Sarah works with.

PermalinkCommentsbaseball batman nontechnical

View from the Safeco Field Suite

2008 Aug 3, 12:53

sequelguy posted a photo:

View from the Safeco Field Suite

PermalinkCommentsseattle washington baseball mariners safecofield

In the Safeco Field Suite

2008 Aug 3, 12:52

sequelguy posted a photo:

In the Safeco Field Suite

PermalinkCommentsseattle me washington baseball mariners safecofield

Safeco Field Suite

2008 Aug 3, 12:52

sequelguy posted a photo:

Safeco Field Suite

PermalinkCommentsseattle washington baseball mariners safecofield

New Patent Cubes

2008 Aug 3, 12:52

sequelguy posted a photo:

New Patent Cubes

PermalinkCommentswork microsoft patent patentcubes

Second Window Office

2008 Aug 3, 12:51

sequelguy posted a photo:

Second Window Office

My new window office, before I took out the old furniture and moved in all of my crap. A lovely view of parking lot and freeway.

PermalinkCommentswork office microsoft windowoffice

New Scientist Short Sharp Science Blog: What do your belongings say about you?

2008 Jul 22, 6:15Determine one's personality based on their home. Feels like pop science, fortune cookie results still fun though: "Sam Gosling, psychologist ... analysed photos from a handful of New Scientist readers to see what he could deduce about their personalitiesPermalinkCommentsscience psychology article personality

Cabinet of Wonders: The Art of Gesture in Tourist Italy

2008 Jul 18, 2:00Photos of tourists holding up the leaning tower. But from the wrong angle so they just look silly.PermalinkCommentshumor photo italy tourist

Earplug Alarm Clock

2008 Jul 9, 1:37

Dirt PileIn my previous home, just after I moved in, my neighbor which was the city of Redmond's various city government buildings, decided to build a parking structure. This was maybe 30 feet from my window, lasted for at least a year and would regularly wake me up at seven or eight in the morning. Determined to not be so punctual for work, I got earplugs which meant in addition to not hearing the construction outside, I couldn't hear my alarm. I had an idea for a combination ear plug, headphone, alarm clock that I never did anything with, except to write down the phrase "earplug / headphone / alarm clock" on a list that I just now found. In retrospect, I think this problem might be too specific to result in my earplug alarm clock selling well.

PermalinkCommentsidea earplug headphone alarm clock random nontechnical

Flickr: ieteam's Photostream

2008 Jun 25, 1:58The official IE team flickr pool.PermalinkCommentsie photo flickr ie8 blog chris-wilson

Trip to Victoria, BC

2008 Jun 25, 12:26

Victoria Marriott Inner HarbourThe weekend before last was Sarah's birthday and as part of that, last weekend we took a trip to Victoria, BC. I've got a map of our trip locations and photos. Not all the photos are on the map but they're all in the trip photo set on Flickr. It turns out there's a lot of tourist intended activities right around our hotel which was in the inner harbor and downtown Victoria area. As such we didn't get a rental car and did a lot of walking.

Sarah in HallwayOn the first day we checked out the Royal British Columbia Museum which had some interesting exhibits in it and the Undersea Garden which was interesting in that its like a floating aquarium but was a bit grimy. There was a group of Japanese tourists next to us during the undersea show in which a diver behind the glass in the ocean would pick up and parade various animal life. The group all repeated the word starfish in unison after the show's narrator and one of the tourists was very excited to see the diver bring over the octopus. The diver made the octopus wave to us while it desperately tried to get away.

British Columbia Parliament BuildingsWe flew in and out of the Victoria International Airport which is a smaller sized airport. Although we needed our passports we didn't need to take off our shoes -- what convenience! The US dollar was just a bit worse than the Canadian dollar which was also convenient. The weather was lovely while we were there and I only got slightly sun burned.

PermalinkCommentsvictoria canada vacation nontechnical

The Fulgurator fulgurates (?) subliminal messages on photographs - Boing Boing Gadgets

2008 Jun 25, 11:59Cool hack but I'd be irritated if my photos we're messed up. "a camera-like device that implants messages in a sub-visible spectrum on its object. These messages are invisible to the naked eye, but are clearly visible when photographed. "PermalinkCommentsvideo photography humor camera hack

CCTV Graffiti

2008 Jun 24, 10:06

sequelguy posted a photo:

CCTV Graffiti

PermalinkCommentscanada graffiti cctv victoria

Olde Time-y Phone Booth

2008 Jun 24, 10:06

sequelguy posted a photo:

Olde Time-y Phone Booth

PermalinkCommentscanada sarah phonebooth victoria

British Columbia Parliament Buildings

2008 Jun 24, 10:05

sequelguy posted a photo:

British Columbia Parliament Buildings

en.wikipedia.org/wiki/British_Columbia_Parliament_Buildings

PermalinkCommentscanada victoria britishcolumbiaparliamentbuildings
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