Homework-03-28-2008

Homework-03-28-2008
1. Read the abstract of Paper 3, 6 and 7. If possible, skim the whole paper. Summarize the papers briefly.
Ans:

• Paper3：Social Network Analysis to Blog-based Online Communities Summary：Social Network Analysis is used as a research vehicle to investigate the structural patterns of blogging communities. SNA is a sociological methodology for analyzing patterns of relationships and interactions between social actors in order to discover the underlying social structure.Not only the attributes of social actors, such as their age, gender, socioeconomic status, and education, but also the properties of relationships between social actors, such as the nature, intensity, and frequency of the relationships, are believed to have important implications to the social structure. SNA methods have been employed to study organizational behavior, interorganizational relations , citation patterns, virtual communities , and many other domains.
  Reference:
  Osmand's Paper 3
  Summary of paper 3
  

• Paper6：Mobile Computing for Indoor Wayfinding Based on BluetoothSensors for Individuals with Cognitive Impairments
  Summary：In this paper, Bluetooth is used for personal way finding purposes where Bluetooth beacons and ID scanning are used, but no device inquiry, time-consuming pairing, or information exchange does happen. Bluetooth operated in this discovery mode saves power, eliminate manual passkey challenges, and reduce privacy and security concern as the use does not expose her ID. Based on the Bluetooth beacon received, the position where the user is can be identified at the remote server and enable the way finding sequences. The Bluetooth sensors can automatically be read from several meters away and does not have to be in the line of sight of the reader.
  Reference:
  Buddhi 's Summary of paper 6
  Osmand's Paper 6
  

• Paper7：Action Science Approach to Experimenting Nonprofit Web 2.0 Services for Employment of Individuals with Mental Impairments
  Summary：In this paper, the Authors proposed the project called Nonprofit 2.0 based on Web 2.0 technology. The goal of this project is to submit new approach that could be implemented by the Taiwan Government to provide better facilities and treatments to the citizen who are get mental ilness.The Authors created a prototype which was tested by the job coaches one month after the survey and extensive field study. The user feedback will be our guidelines to further improve the prototype. In the designed architecture, we provide four solutions as database of employers, database of employment service, database 289 of mental disabled persons, and software package for briefing candidate employers.
  Reference:
  Buddhi's Summary of paper 7
  
  Osmand's Paper 7
  
  

2. According to Chap. 6 of Textbook. what is a functional architecture of e-commerce systems?
Ans:A functional architecture of e-commerce systems consists of several components with its own unique functions that linked together. There are four primary components of e-commerce systems:

• a. Client: computer system, typically a PC, which is connected to the internet. Usually used by buyer to browsing and/or purchasing. (e.g.: home PC, PC of buyer's company).
  

• b. Merchant: computer system or systems that contain the seller's electronic catalog and, in the case of online goods, products for over-the-Net fulfillment. (e.g.: content servers).
  

• c. Transaction system: computer system or systems that process a particular order and that are responsible for payment, record keeping, and other business aspects of the transaction. (e.g.: application servers).
  

• d. Payment gateway: computer system that routes payment instructions into existing financial networks such as for credit card authorization and settlement. (e.g.: resource managers).

3. Lab: PageRank :PageRank is a tool for measuring the importance of websites. Given every URL, there is a PageRank value for it.
Ans:

CNN(9/10)







New York Times(9/10)









Jack's HomeWork Center( 3/10 )
Ha It should be wrong number. I'm use firefox browser.