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Map APIs

July 13th, 2005, by Akshay Java, posted in Semantic Web, Technology Impact, Web

Recently both Yahoo! and Google released their Map APIs. Both have interesting and unique features – while Google map is easy to customize and embed in your website or application, all you need to do with Yahoo Map API is provide it with the XML formatted data for
plotting information on the map. The nice thing about Yahoo API vs Google API is that you do not need to specify the exact latitude and longitude information and it does the geocoding for you using the address.

Having played with both a little, I hacked up an application that would extract the latest news from Yahoo! US News website and display on the map. You can view it in action here and it has also been added on the yahoo developer network’s featured application list here. ;-)

These APIs provide a simple way for anyone to visualize geospatial information and I hope that such nifty applications would motivate people to provide metadata information such as OPML or geocoding in images.

Blog Hosting (Live Blogosphere) – Ranked

July 8th, 2005, by Pranam Kolari, posted in Blogging, Semantic Web, Social, Technology Impact, Web

Following up on RSS Readers: Narrowing Down Your Choices and Danny Ayers’s post on blogging hosts — here’s our attempt at ranking blog hosting websites. These statistics are based on Technorati’s index. Software used (MT, WordPress etc.) are not part of the statistic.

Technorati API allows 500 queries per day. We picked query words randomly from an english dictionary. We then collected the top 100 results (most live blogs) between 9:00 AM and 1:00 PM EST over a period of the last 18 days. We eliminated duplicate blog home pages to create a list of 173192 unique blogs.

Note: Technorati ranks results by freshness — our statistics are hence for the “Live Blogosphere”.

We do not claim our statistics to be representative. These are the biases –

  1. Technorati index.
  2. US Blogs, given our query time-frame.
  3. Blogger — spam blogs are very live.
  4. Self hosted blogs. Our numbers only use URLs to classify blogs. For instance, a blogger weblog hosted at a personal website is not classified with blogger. Blogger blog’s are identified by “blogspot.com” being part of the URL.

Even with these biases, our numbers should give a good estimate of blogging host popularity.

Based on our collection here’s how blog hosts compare.

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Technorati API also provides inlink information of blogs. We normalized inlink for these blog hosts to find the the number of inlinks/blog for each of these hosts. Total inbound links in our collection is 1.8 Million. The mean inlink/blog is 10.64

The impact rating – inlinks/blog

The Rest .. includes many blogs which are self-hosted. Self-hosted blogs, as is evident are the most popular.

Thanks to Jim Mayfield for suggesting the use of technorati.

Google Earth brings GIS to the everyday people

June 30th, 2005, by Harry Chen, posted in Semantic Web, Technology Impact, Web

Google Earth is a Java-based GIS application that allows users to find places on the face of the Earth. The users can zoom from space down to street level and combine imagery, 3D geography, maps, and business data to get the total picture in seconds.

I love it! If your computer meets these requirements, give it a try.

Google Earth

It took me 15 mins to find the place where I used live in Hong Kong in Google Earth.

EPIC 2014: Summary Of The World: Googlezon And The Newsmasters EPIC

June 21st, 2005, by li ding, posted in Technology Impact, Web

Googlezon id card

This is a fictionary 8-mintue mini-movie speculating the evolution of media from 1984 up until 2014 .

  • ’2005 – In response to Google’s recent moves, Microsoft buys Friendster. ‘
  • ’2008 sees the alliance that will challenge Microsoft’s ambitions. Google and Amazon join forces to form Googlezon.’
  • ‘In 2011, the slumbering Fourth Estate awakes to make its first and final stand. The New York Times Company sues Googlezon…’
  • ‘In year 2014, New York Times has gone offline.’

source: http://www.robinsloan.com/epic/; transcript

Virtual property to kill for!

June 8th, 2005, by Anand, posted in GENERAL, Social, Technology Impact, Technology Policy

Trading virtual objects may sound zany, but it seems people can get motivated enough to kill for them, like this tragic incident.

Who owns virtual resources? Can there be rights over objects/artifacts in virtual gaming worlds and for that matter the Internet? Do we own email messages sent or received on Hotmail or Gmail? Is this really different from privacy? Is this DRM?

$9m trade revenues on eBay for such artifacts, gives an idea of the scope of the problem.

Its official, Apple moves to Intel

June 6th, 2005, by Anand, posted in GENERAL, Technology, Technology Impact

IBM seems to have captured the gaming console market, becoming the sole chip provider for PS3, XBox 360 and Nintendo.

Apple moves on in search of greener pastures, switching to Intel x86 chips. Mac users will probably see dropped prices and increasing support for x86 applications by end of 2007. Seems to be win-win situation for Intel, Apple and Mac enthusiasts! We might finally see non-linux robust software on x86 after all ;).

WiMax chip from Intel

April 18th, 2005, by Anupam Joshi, posted in GENERAL, Mobile Computing, Pervasive Computing, Technology Impact

So the major players have joined in the WiMax game. This report from the Washington Post describes Intel coming to DC area to release their new WiMax chipset.

How TiVo does its collaborative filtering

February 18th, 2005, by Harry Chen, posted in Machine Learning, Technology Impact

There is an interesting paper that describes how TiVo computes its recording recommendations.

The abstract:

We describe the TiVo television show collaborative recommendation system which has been fielded in over one million TiVo clients for four years. Over this install base, TiVo currently has approximately 100 million ratings by users over approximately 30,000 distinct TV shows and movies. TiVo uses an item-item (show to show) form of collaborative filtering which obviates the need to keep any persistent memory of each user�s viewing preferences at the TiVo server. Taking advantage of TiVo�s client-server architecture has produced a novel collaborative filtering system in which the server does a minimum of work and most work is delegated to the numerous clients. Nevertheless, the server-side processing is also highly scalable and parallelizable. Although we have not performed formal empirical evaluations of its accuracy, internal studies have shown its recommendations to be useful even for multiple user households. TiVo�s architecture also allows for throttling of the server so if more server-side resources become available, more correlations can be computed on the server allowing TiVo to make recommendations for niche audiences.

See PVRBLog

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