[Cs5500] More questions - Homework 1

[tkoc at ccs.neu.edu]

Hi,

Thank you Madhuvanthi. I have completely the same questions. Also, I couldn`t understand the difference between claim and instance.

For example, we say Alice makes a claim C=0.5, but in protocol we say Bob provides x, Alice provides y. How does Alice provide y? She makes a claim with a c value, not with a y value. I am really confused.

Best,

Tugba Koc

----- Original Message -----
From: "Madhuvanthi Balasubramanian" <balasubramanian.m at husky.neu.edu>
To: "Managing Software Development" <cs5500 at lists.ccs.neu.edu>
Sent: Sunday, September 18, 2011 10:56:39 PM GMT -05:00 US/Canada Eastern
Subject: [Cs5500] More questions - Homework 1


Hello All, 


         Could someone help us with the following issues? 


1.      How is quality calculated in general ?  


         In case of HSR, it is the ratio of the "claimed" highest rung to the highest rung n.  
         In CSP, it is the ratio of the number of variables assigned to the maximum number of variables. 
         I'm not sure how this compares to the MMG problem. Is the quality measured by how close the claimed c is, to the maximum C ? In that case, the SCG court is supposed to  
         have an idea of the maximum C, which cannot be possible. So how do we measure quality then?  


2.      What's the deal with computing reputation in case of an agreement?  


         There are 3 conditions that both Alice and Bob would have to meet,in order to win/defend the agreement. 
         But we are not clear on how this works.(Why would Bob have to defend C,against Alice, to agree with Alice on C ?? ) 
         Could someone clear this up for us? 


3.      We have assumed that in case of a refute, an instance is provided, and in case of a strengthen, the current claim is strengthened with a better value (new claim ). Is our 
         understanding right?  


4.       Let's say Alice makes a claim for C = 0.50, Bob strengthens it with a value of 0.55. Now can Alice only defend her own claim, or strengthen Bob's claim again? Even if she 
         defends, how does she do it? Does she provide an instance for Bob, for which he cannot provide a solution? 


5.       Is there a document that details the different use-cases possible, in terms of proposing and opposing? 


Any help would be appreciated. 



--   Thanks 
- Madhu 

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