Release Announcement: Jubatus 1.0.5

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Takeaki Imai

Aug 28, 2017, 5:06:05 AM8/28/17
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Hi, Jubatus guys.

We are glad to announce that Jubatus 1.0.5 is now available.

This release contains the following feature improvements and bug fixes.

* Bandit: Add GreedyMix algorithm which decreases the exploration ratio according to the trial count, and can stably obtain larger rewards. We can use this algorithm using "epsilon_decreasing" method.
* Python Bridge Plugin: Enables to implement feature extraction plugins easily using Python.
* Jubakit: Add jubamodel transform option that enables to extract nearest neighbor models from classifier models, regression models, and so on.
* Enables RHEL6 to use image feature extraction plugins.
* Fix crash when search neighbors for empty nearest neighbor model.

The full changelogs are following.


* Improvements
    * bandit: add epsilon-decreasing method (#354, #381)
    * Improve compatibility with gcc-6.x (#368, #369)
    * Improve compatibility with FreeBSD (#376, #384)
    * Improve compatibility with environment missing (#371)
    * Implement equality comparator for json objects (#380)
    * Improve string to number conversion (#377)
* Bug fixes
    * nearest_neighbor: fix crash when search neighbors for empty model (#382, #383)
    * Fix FMV not working (#378, #379)

* New Features
    * Add python bridge plug-in (#1197, #1208, #1209)
* Improvements
    * Image feature extraction plug-in now available on RHEL 6 (#1210)
* Bug fixes
    * Fix config comparison on model load to work stably (#1207)

We hope you enjoy this release!

Takeaki Imai @ Jubatus Team
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