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List:       kde-announce-apps
Subject:    Evolvescore2 1.2
From:       Jakob Rohrhirsch <jakob.rohrhirsch () gmx ! de>
Date:       2009-08-31 17:45:20
Message-ID: cbbb3e98dc2ec0bbee35b42d788df44d () www ! kde-apps ! org
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Name: Evolvescore2
Version: 1.2
Type: Amarok Script
Depend: 
License: GPL
Homepage: 
More Info:
http://www.kde-apps.org/content/show.php?content=110970

Description:
 Evolvescore2 - AmaroK script
Version: 1.2

Dependencies:
Python, python-sqlite, your database has got to be
sqlite

Description:
This is a scoring script for Amarok 1.x. It always
bothered me that songs are only scored when you
listen to them. I think songs should be decreased
when you *don't* listen to them. That's why I
wrote this script. Now everytime you listen to a
song, the score increases by the number of minutes
"n" you listened to the song. Then "n" random
songs' score is decreased by 1 point. The average
score over all songs is therefore always
conserved. New songs or songs with a score of 0
start out with a score of 50. The script includes
handling of boundary conditions, that means no
song ever gets below 0 or above 100. So why don't
I just substract n/totaltracks from every song?
Because I'm using dcops "set-score-by-path"
function and doing so can take a very long time if
your collection is big. The beauty of this script
is, that the longer you use it, the better your
score gets (IMHO).



Changelog:
 The function to increase listened tracks has been
changed from newscore = oldscore + minutes to the
more complex
newscore = oldscore + (100-oldscore) * minutes /
(minutes + 15)
this makes it harder to get really high scores.
The decrease has been changed to decreasing
((newscore - oldscore) * 10) random tracks by a
value of 0.1. This makes the decrease-distribution
less arbitrary.





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------
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------
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