Graphical Interface Web Design

Step 1: Input tags

The Del.icio.us social bookmarking system runs much of my aggregator: users see a post they like and bookmark it in Del.icio.us with a special tag.

The first step in Pipes is to collect the input (right). Pull the "Text Input" module (above) onto your Pipes work space. This lets you collect user input. Give it both a name and a prompt. In most instances it's fine that these be the same as the prompt won't be visible in the end. It's good to put something down in Debug for later on in the Pipes process.

Step 2: Construct the RSS call

We take our two input tags and use them to construct an URL by using the "URLBuilder". The base URL is Del.icio.us's RSS feed (http://del.icio.us/rss/). The URL builder adds the user input then the tag input to give us a valid URL (http://del.icio.us/rss/user/tag/).

Step 4: Grab the feed

Yahoo Pipes' "Fetch" module takes that URL input and turns it into an RSS feed. Shown to the right is Fetch with the final "Pipe Output".

See it in action

You can see how this fits together by going to my Del.icio.us Sample page on Pipes. You can make a copy and play with it yourself. Add "&user=username&tag=tagname&_render=rss" to that URL and you've made it a feed.

Okay so I've turned a Del.icio.us RSS feed into... a Yahoo Pipes RSS feed with identical input and output. Well, we're only getting started. Our input tags can be reused for other searches and spliced together inside of a more elaborate Pipe. That's where the fun starts and I'll get there soon.

The other advantage of sending things through Pipes is that we can easily rename fields. Del.icio.us, Flickr and other services often extend RSS standards by including metadata in "dc" fields, an abbreviation for the Dublin Core standards extension. A recent entry from my Del.icio.us feed includes this:

     <dc:creator>martin_kelley</dc:creator>
     <dc:date>2007-03-15T05:18:53Z</dc:date>
     <dc:subject>tech tech.design</dc:subject>

Standard PHP parsers like MagpieRSS and SimplePie often have trouble pulling dc data. With Pipes you can rename the fields you like; in theory that should make them more accessible to the parsers. You can also combine fields and use Pipes' Regex module to operate on them with regular expressions.

Here's some of what Johnson has to say:

Distribution, content creation, and the ability to more easily compete with established local players online... blogging is perfect for that. I mean a blog is chronologically arranged, in columns, divided by categories and changes (in many cases) everyday. That's the broad definition of a newspaper, right? A blog is so much more than that, but the basic structure lends itself very well to developing an online competitor for newspapers.

It was three years ago that I followed Brad Choate's instructions for using Moveable Type as a whole-site content management system. What started as an experiment became a way of life for me. The MT interface lends itself so well to content management that I'm now using it for my non-techie clients: Quakersong.org and Quakeryouth.org are both put together by MT and I've been surprised that there's been almost no learning curve for the client's adoption of this software.

Given this, it seems odd that the kids at Moveable Type haven't taken MT in this direction (even more surprising since they hired Brad himself a few years ago!). I see a big market in my niche sites for this sort of functionality and three years later I'm still having to tweak templates to get this to work. Anil, what's up? If Drupal had better documentation and smoother installation it would have been the brawn behind MartinKelley.com.

It would be fun to follow Until Monday's example and create a hyperlocal site (hint hint to VW if she's reading this). Of course, locality is not just geographically-based anymore. Quakerquaker.org is a local portal of a different kind. I'm a big believer that the hyperlocality of niche and geographic sites are the cutting edge in the next-wave of the social web.

There's a lot of pioneering to be done in this regards. The net has a lot of power to take down culture monopolies by confronting old boy networks and business-as-usual thinking with innovative social networks that harness the talents of the outsiders. The smart newspapers, magazines, churches and cultural organizations will come on board and leap-frog themselves to twenty-first century relevance. Too many of the Philadelphia (and/or) Quaker institutions I know respond to change by shuffling job titles and putting blinders up against recognizing the ever-narrower demographic they serve.