Saturday, March 15, 2008

Web Service System Design Homework (March 15th, 2008)

1. Read Paper 1 & Paper 2. Provide a summary for each of the paper.
Paper1
Paper2

2. Read Chap. 4 of the textbook. What is the Business-to-business model?
Business-to-business (B2B) is a term commonly used to describe electronic commerce transactions between businesses, as opposed to those between businesses and other groups, such as business and individual consumers (B2C) or business and government (B2G).
B2B is also commonly used as an adjective to describe any activity, be it marketing, sales, or e-commerce, that occurs between businesses and other businesses rather than between businesses and consumers.
On the Internet, B2B (business-to-business), also known as e-biz, is the exchange of products, services, or information between businesses rather than between businesses and consumers.

3. Digital goods can be distributed over the Internet but physical goods have to be delivered logistically. What are digital goods? What are the differences between the two?
Digital goods are bitstrings, sequences of 0s and 1s, that have economic value.
Digital goods can be distinguished from physical goods by five characteristics: digital goods are nonrival, infinitely expansible, discrete, aspatial, and recombinant.

4. Using RSS to track many blogs at one time.
What is the RSS feed that Google Reader takes in?
All of the RSS feed that have any of these formats: RSS 0.9x, RSS 1.x, RSS 2.x (this is the available formats up to this writing). Usually, the URL which use any of those formats have the "subscribe" symbol ( ).

List the URL of these RSS feeds.
iapblog.blogspot.com :
http://www.google.com/reader/view/#stream/feed%2Fhttp%3A%2F%2Fiapblog.blogspot.com%2Ffeeds%2Fposts%2Fdefault

New York Times :
http://www.google.com/reader/view/#stream/feed%2Fhttp%3A%2F%2Fwww.nytimes.com%2Fservices%2Fxml%2Frss%2Fnyt%2FHomePage.xml

osmandp.blogspot.com/feeds/comments/default :
http://www.google.com/reader/view/#stream/feed%2Fhttp%3A%2F%2Fosmandp.blogspot.com%2Ffeeds%2Fcomments%2Fdefault

3 comments:

Yao Jen said...

Again, you are No. 1. I will take time reading your work over the weekend.

Osmand said...

Hahaha! Thank you for the compliment, Sir :D
If there's something wrong, feel free to make the comments.
I will try my best to fix it. ^_^

Yao Jen said...

I was expecting a short summary. You did much more than I expected. Your summary is already a good abstract of the original paper. Good job!