| --- Log opened Mon Apr 04 00:00:36 2011 | ||
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| serialhex | is anyone on?? i know it's got to be like stoopit-o-clock-am in germany... but maybe someone is an early riser there??? | 03:27 |
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| serialhex | yep... just added a widget for germany-time and it's 3:33am there :P ok, maybe i'll just e-mail my Q | 03:33 |
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| serialhex | Q has been e-mailed... and sleep is on its way (1:20 here... 7:20 there :P ) | 07:19 |
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| CIA-31 | shogun: Soeren Sonnenburg master * r4276e9b / src/configure : | 12:19 |
| CIA-31 | shogun: Improve lua detection | 12:19 |
| CIA-31 | shogun: lua-config is only available on debian systems | 12:19 |
| CIA-31 | shogun: (and already obsoleted). We therefore attempt to use lua config and if | 12:19 |
| CIA-31 | shogun: that fails fall back to a simply -llua<ver> etc. - http://bit.ly/fOQuNO | 12:19 |
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| CIA-31 | shogun: Soeren Sonnenburg master * rb3d0c44 / src/configure : | 13:51 |
| CIA-31 | shogun: define #shogun | 13:51 |
| CIA-31 | shogun: This way potential submodules know that they are | 13:51 |
| CIA-31 | shogun: compiled within shogun. - http://bit.ly/eX6ivh | 13:51 |
| CIA-31 | shogun: Soeren Sonnenburg master * r54f4f73 / (src/Makefile src/Makefile.template): | 14:07 |
| CIA-31 | shogun: add -follow option to find | 14:07 |
| CIA-31 | shogun: This enable symlinked sub-modules. - http://bit.ly/dZvopt | 14:07 |
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| CIA-31 | shogun: Soeren Sonnenburg master * rc26d04a / (src/Makefile src/Makefile.template): | 15:47 |
| CIA-31 | shogun: Revert "add -follow option to find" | 15:47 |
| CIA-31 | shogun: This reverts commit 54f4f735cf9956899de750b8fd9aeeb8bf0afd03 (was | 15:47 |
| CIA-31 | shogun: causing infinity loops upon find) - http://bit.ly/dO1FG5 | 15:47 |
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| hiteshk | hi sonney2k | 19:37 |
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| @sonney2k | hi | 21:02 |
| @bettyboo | sonney2k, moin | 21:02 |
| @sonney2k | betty is always there for us :) | 21:03 |
| @bettyboo | sonney2k: it is always good to have a bot doing some real work - even though its name is *heh* | 21:03 |
| @bettyboo | ;D | 21:03 |
| * sonney2k wonders what kindof AI knrrrd built into betty | 21:10 | |
| @sonney2k | hiteshk, you were pinging me? | 21:10 |
| hiteshk | sonney2k , you said that svm_light source code is not available , but it is there | 21:12 |
| @sonney2k | hiteshk, it is available but it is not open source | 21:12 |
| hiteshk | you want to use it for commercial purpose | 21:13 |
| hiteshk | ya , got it | 21:16 |
| hiteshk | I want to ask whethet we can use SMO algorithm in our implementation or not | 21:17 |
| @sonney2k | hiteshk, well open source means that one cannot limit what the code is used for | 21:25 |
| @sonney2k | and no I don't want to use it for commercial software | 21:25 |
| @sonney2k | hiteshk, SMO is already implemented in libsvm | 21:26 |
| @sonney2k | I don't think that code can be easily improved (they've done a very good job) | 21:26 |
| @sonney2k | however, there are some clever things one can do in chunking based methods like svmlight. | 21:27 |
| @sonney2k | and I am not happy about the dependency ... | 21:28 |
| hiteshk | But don't we need QP solver for that | 21:28 |
| hiteshk | like primal dual interior point solver which is a disadvantage | 21:29 |
| hiteshk | SMO does not need that | 21:29 |
| hiteshk | what dependency are you referring to | 21:37 |
| @sonney2k | hiteshk, we have pr_loqo in shogun - that is what svm light is using as qp-solver now | 21:52 |
| @sonney2k | hiteshk, it is true SMO is more elegant in this respect | 21:53 |
| hiteshk | sonney2k , svmlight has many options , do I have to implement all of them | 22:00 |
| @sonney2k | hiteshk, just an svm solver | 22:00 |
| @sonney2k | not transduction or whatever useless estimation :D | 22:01 |
| @bettyboo | yep. | 22:01 |
| hiteshk | sonney2k , where should I submit my proposal so that you can suggest some improvements | 22:05 |
| @sonney2k | hiteshk, so it boils down to selecting chunks to be optimized in the qp solver, selecting the chunks effecitvely using the alphas that have the highest gradient, doing speedups for linear svms and shrinking | 22:06 |
| @sonney2k | to me in private if you want | 22:06 |
| hiteshk | how to do speedups for linear svms | 22:10 |
| hiteshk | except SMO algorithm | 22:10 |
| @sonney2k | by keeping the 'w' around | 22:12 |
| @sonney2k | i.e. start with w=0 | 22:12 |
| @sonney2k | then when alpha_1 ... alpha_q change only compute an update on w, via w <- w + \sum_i (alpha_i - alpha_i^old) \Phi(x_i) | 22:14 |
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| hiteshk | what is this \Phi(x_i) ; it is \sigma x_i * y_i * \alpha_i in w expression generally | 22:47 |
| @sonney2k | just some feature space transformation function | 22:48 |
| hiteshk | ok | 22:53 |
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| @bettyboo | morning sonney2k? | 23:09 |
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| --- Log closed Tue Apr 05 00:00:36 2011 | ||
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