[jira] [Commented] (SPARK-13733) Support initial weight distribution in personalized PageRank

2016-03-22 Thread Gayathri Murali (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-13733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15207219#comment-15207219
 ] 

Gayathri Murali commented on SPARK-13733:
-

[~mengxr] [~dwmclary] https://issues.apache.org/jira/browse/SPARK-5854 - 
mentions one key difference between page rank and personalized page rank as:
"In PageRank, every node has an initial score of 1, whereas for Personalized 
PageRank, only source node has a score of 1 and others have a score of 0 at the 
beginning.", which basically means we initialize as [1, 0, 0, 0, ..] where we 
set 1 only to the seed node. 

For this JIRA, do we want to instead set an initial distribution of weights 
such that all nodes receive non-zero initial values?  Could you clarify if this 
is the behavior that is intended?




> Support initial weight distribution in personalized PageRank
> 
>
> Key: SPARK-13733
> URL: https://issues.apache.org/jira/browse/SPARK-13733
> Project: Spark
>  Issue Type: New Feature
>  Components: GraphX
>Reporter: Xiangrui Meng
>
> It would be nice to support personalized PageRank with an initial weight 
> distribution besides a single vertex. It should be easy to modify the current 
> implementation to add this support.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

-
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org



[jira] [Commented] (SPARK-13733) Support initial weight distribution in personalized PageRank

2016-03-19 Thread Gayathri Murali (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-13733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15198327#comment-15198327
 ] 

Gayathri Murali commented on SPARK-13733:
-

[~mengxr] Should the rest of the vertices also be set to resetProb(which is 
0.25 initial weight) ?

> Support initial weight distribution in personalized PageRank
> 
>
> Key: SPARK-13733
> URL: https://issues.apache.org/jira/browse/SPARK-13733
> Project: Spark
>  Issue Type: New Feature
>  Components: GraphX
>Reporter: Xiangrui Meng
>
> It would be nice to support personalized PageRank with an initial weight 
> distribution besides a single vertex. It should be easy to modify the current 
> implementation to add this support.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

-
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org



[jira] [Commented] (SPARK-13733) Support initial weight distribution in personalized PageRank

2016-03-08 Thread Gayathri Murali (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-13733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15185945#comment-15185945
 ] 

Gayathri Murali commented on SPARK-13733:
-

I can work on this

> Support initial weight distribution in personalized PageRank
> 
>
> Key: SPARK-13733
> URL: https://issues.apache.org/jira/browse/SPARK-13733
> Project: Spark
>  Issue Type: New Feature
>  Components: GraphX
>Reporter: Xiangrui Meng
>
> It would be nice to support personalized PageRank with an initial weight 
> distribution besides a single vertex. It should be easy to modify the current 
> implementation to add this support.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

-
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org