[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13709456#comment-13709456 ] Sebastian Schelter commented on MAHOUT-1272: I think we should rework the

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13707830#comment-13707830 ] Peng Cheng commented on MAHOUT-1272: Test on libimseti dataset

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13702175#comment-13702175 ] Peng Cheng commented on MAHOUT-1272: Hey Sebastian, Hudson, Thank you so much for on

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13701672#comment-13701672 ] Peng Cheng commented on MAHOUT-1272: Hey honoured contributors I've got some crude

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13701679#comment-13701679 ] Peng Cheng commented on MAHOUT-1272: Hi Sebastian may I ask question? I digged some

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13701682#comment-13701682 ] Peng Cheng commented on MAHOUT-1272: New parameter: lambda = 0.001 rank of the rating

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13701686#comment-13701686 ] Sebastian Schelter commented on MAHOUT-1272: Hi Peng, I also played with

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13701688#comment-13701688 ] Peng Cheng commented on MAHOUT-1272: Hi Sebastian, Really? I would break my fingers

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13701693#comment-13701693 ] Sebastian Schelter commented on MAHOUT-1272: Lets see what we can do to get

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13701717#comment-13701717 ] Hudson commented on MAHOUT-1272: Integrated in Mahout-Quality #2135 (See

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13701241#comment-13701241 ] Peng Cheng commented on MAHOUT-1272: The next step would be to create an online

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13701244#comment-13701244 ] Sebastian Schelter commented on MAHOUT-1272: Hello Peng, the code looks

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13701247#comment-13701247 ] Peng Cheng commented on MAHOUT-1272: Aye aye, more test on the way. Much obliged to

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13696932#comment-13696932 ] Peng Cheng commented on MAHOUT-1272: Looks like the 1/n learning rate doesn't work at

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13696155#comment-13696155 ] Peng Cheng commented on MAHOUT-1272: learning rate/step size are set to be identical

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13695784#comment-13695784 ] Sebastian Schelter commented on MAHOUT-1272: Are refering to a single-machine

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13695791#comment-13695791 ] Peng Cheng commented on MAHOUT-1272: I presume it be be a single-machine multi-core?

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13695800#comment-13695800 ] Peng Cheng commented on MAHOUT-1272: I'm reading the source code of ALS-WR,

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13695807#comment-13695807 ] Sebastian Schelter commented on MAHOUT-1272: There is also a MR version of

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13695818#comment-13695818 ] Peng Cheng commented on MAHOUT-1272: Thank a lot for the hint! Is it in

[jira] [Commented] (MAHOUT-1272) Parallel SGD matrix factorizer for SVDrecommender

[ https://issues.apache.org/jira/browse/MAHOUT-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13695821#comment-13695821 ] Sebastian Schelter commented on MAHOUT-1272: You should use the trunk, lots