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    <title>MaplePrimes - comments on Post, Calculating Back Reputation</title>
    <link>http://www.mapleprimes.com/posts/89203-Calculating-Back-Reputation</link>
    <language>en-us</language>
    <copyright>2026 Maplesoft, A Division of Waterloo Maple Inc.</copyright>
    <generator>Maplesoft Document System</generator>
    <lastBuildDate>Thu, 11 Jun 2026 05:19:11 GMT</lastBuildDate>
    <pubDate>Thu, 11 Jun 2026 05:19:11 GMT</pubDate>
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    <itunes:summary />
    <description>The latest comments added to the Post, Calculating Back Reputation</description>
    <image>
      <url>http://www.mapleprimes.com/images/mapleprimeswhite.jpg</url>
      <title>MaplePrimes - comments on Post, Calculating Back Reputation</title>
      <link>http://www.mapleprimes.com/posts/89203-Calculating-Back-Reputation</link>
    </image>
    <item>
      <title>Top user list</title>
      <link>http://www.mapleprimes.com/posts/89203-Calculating-Back-Reputation?ref=Feed:MaplePrimes:Calculating Back Reputation:Comments#comment89235</link>
      <itunes:summary>&lt;p&gt;Will,&lt;/p&gt;
&lt;p&gt;Thank you for describing the way the recalculations were done.&lt;/p&gt;
&lt;p&gt;While it may seem working OK in many cases, but there are (at least) 2 problems with that.&lt;/p&gt;
&lt;p&gt;First, applying new rules backwards is not something that should be ever done. The previous scores were officially established, and moving to the new version of Mapleprimes, a normal way would be to preserve them, and not invent some new system of recalculating them. By preserving I mean either saving them as they were, or multiplying by some coefficient - either 4 or, which seems more natural with new inflated scores, by 5.&lt;/p&gt;
&lt;p&gt;Changing the scoring system backwards gives an idea that moving to the v.3 version of Mapleprimes, the scores might be recalculated again in some new and unpredictable way.&lt;/p&gt;
&lt;p&gt;The second problem is that your classification what is the answer and what is a comment, and in which cases 4 points should be added, being quite subjective, in many cases is wrong, as the Unanswered Questions section shows, in particular, in which almost all questions are actually answered.&lt;/p&gt;
&lt;p&gt;Preserving scores &lt;a href="http://www.mapleprimes.com/posts/36609-Username-Ranking"&gt;as they were&lt;/a&gt; (with some coefficient), would be much easier to do, consistent, and fair.&lt;/p&gt;
&lt;!--break--&gt;
&lt;p&gt;_______________&lt;br&gt; Alec Mihailovs, PhD&lt;br&gt; Maplesoft Member&lt;/p&gt;</itunes:summary>
      <description>The latest comments added to the Post, Calculating Back Reputation</description>
      <guid>89235</guid>
      <pubDate>Mon, 07 Jun 2010 22:56:41 Z</pubDate>
      <itunes:author>Alec Mihailovs</itunes:author>
      <author>Alec Mihailovs</author>
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    <item>
      <title>Reputation</title>
      <link>http://www.mapleprimes.com/posts/89203-Calculating-Back-Reputation?ref=Feed:MaplePrimes:Calculating Back Reputation:Comments#comment89237</link>
      <itunes:summary>&lt;p&gt;The new reputation system is very different than the old Maple Points system. In new Primes, you can only gain reputation by having other users vote up your Posts, Questions and Answers. This means that your reputation completely relies on how other people react to what you do on the site.&lt;/p&gt;
&lt;p&gt;The old Maple Points system was purely based on how much you posted to the site. If someone were to come to Primes and post hundreds of terrible blog posts, they would still receive a high number of Points even if no one finds value in the posts.&lt;/p&gt;
&lt;p&gt;For this reason, we chose not to directly copy the points from old Primes into new Primes. We chose to instead re-calculate the Reputation based on how other people react to your items. And the only way to do this in bulk is to count the comments that your items have received.&amp;nbsp;&lt;/p&gt;
&lt;p&gt;You don't need to worry about the classification of Comments or Answers, both Comments and Answers count equally to you receiving the reputation value from them.&amp;nbsp;&lt;/p&gt;
&lt;p&gt;We understand that the conversion isn't perfect but we think it was useful to fill in the reputation scores so that people could quickly see the top users of MaplePrimes.&lt;/p&gt;
&lt;!--break--&gt;
&lt;p&gt;____&lt;/p&gt;
&lt;p&gt;William Spaetzel&lt;br&gt; MaplePrimes Administrator&lt;br&gt; Software Developer, Maplesoft&amp;nbsp;&lt;/p&gt;</itunes:summary>
      <description>The latest comments added to the Post, Calculating Back Reputation</description>
      <guid>89237</guid>
      <pubDate>Mon, 07 Jun 2010 23:17:24 Z</pubDate>
      <itunes:author>Will</itunes:author>
      <author>Will</author>
    </item>
    <item>
      <title>irrelevant</title>
      <link>http://www.mapleprimes.com/posts/89203-Calculating-Back-Reputation?ref=Feed:MaplePrimes:Calculating Back Reputation:Comments#comment89239</link>
      <itunes:summary>&lt;p&gt;&lt;a href="http://www.mapleprimes.com/posts/89203-Calculating-Back-Reputation#comment89235"&gt;@Alec Mihailovs&lt;/a&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;It is a kind of number fetish, addicted to statistics and I guess you are teasing (no?). But maintainers, marketing and 'mgmt' love it.&lt;/p&gt;
&lt;p&gt;If one would really need that, then on usenet one would be lost: two positives and one for trash is enough for me.&lt;/p&gt;
&lt;p&gt;And I do not see why mine should be between Robert Israel and Joe Riel ... funny. Besides others, which I appreciate pretty much. So what.&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;@Will: you should not use Port 81 here.&lt;/p&gt;</itunes:summary>
      <description>The latest comments added to the Post, Calculating Back Reputation</description>
      <guid>89239</guid>
      <pubDate>Mon, 07 Jun 2010 23:30:59 Z</pubDate>
      <itunes:author>Axel Vogt</itunes:author>
      <author>Axel Vogt</author>
    </item>
    <item>
      <title>Maplesoft blog</title>
      <link>http://www.mapleprimes.com/posts/89203-Calculating-Back-Reputation?ref=Feed:MaplePrimes:Calculating Back Reputation:Comments#comment89240</link>
      <itunes:summary>&lt;p&gt;Since nobody else but me seem to have problems with that, that may be OK - the significant difference with the old scoring system is only in 3 or 4 cases, which will be corrected itself in time.&lt;/p&gt;
&lt;p&gt;Still, a normal way of doing that would be to post a poll suggesting several ways of doing that, and go with the poll decision - perhaps, with counting the poll votes weighted by people scores. It may be not too late to do that even now.&lt;/p&gt;
&lt;p&gt;And how the new items were calculated - Maplesoft blog, in particular?&lt;/p&gt;
&lt;!--break--&gt;
&lt;p&gt;_______________&lt;br&gt; Alec Mihailovs, PhD&lt;br&gt; Maplesoft Member&lt;/p&gt;</itunes:summary>
      <description>The latest comments added to the Post, Calculating Back Reputation</description>
      <guid>89240</guid>
      <pubDate>Mon, 07 Jun 2010 23:36:06 Z</pubDate>
      <itunes:author>Alec Mihailovs</itunes:author>
      <author>Alec Mihailovs</author>
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    <item>
      <title>arguing</title>
      <link>http://www.mapleprimes.com/posts/89203-Calculating-Back-Reputation?ref=Feed:MaplePrimes:Calculating Back Reputation:Comments#comment89241</link>
      <itunes:summary>&lt;p&gt;&lt;a href="http://www.mapleprimes.com/posts/89203-Calculating-Back-Reputation#comment89240"&gt;@Alec Mihailovs&lt;/a&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;Well, assuming that arguing has an essential effect assumes that your counter part is open minded in some (at least minor) sense.&lt;/p&gt;</itunes:summary>
      <description>The latest comments added to the Post, Calculating Back Reputation</description>
      <guid>89241</guid>
      <pubDate>Mon, 07 Jun 2010 23:42:16 Z</pubDate>
      <itunes:author>Axel Vogt</itunes:author>
      <author>Axel Vogt</author>
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    <item>
      <title>Scores</title>
      <link>http://www.mapleprimes.com/posts/89203-Calculating-Back-Reputation?ref=Feed:MaplePrimes:Calculating Back Reputation:Comments#comment89242</link>
      <itunes:summary>&lt;p&gt;&lt;a href="http://www.mapleprimes.com/posts/89203-Calculating-Back-Reputation#comment89239"&gt;@Axel Vogt&lt;/a&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;I just really don't see why that was done that way. What Will described - that somebody logged in and posted hundreds of comments that nobody cared about, never happened - not even tens of posts.&lt;/p&gt;
&lt;p&gt;On the other hand, Robert Israel's position moved from 1st to 5th, which is absolutely not fair, and I don't see how that could be called a good job.&lt;/p&gt;
&lt;p&gt;Also, 2 users, alex_01 and Cristopher2222, while being respectable members of the community, and I don't want to say anything bad about them, moved much higher in the top users list than they used to be - because most of their posts had a lot of comments, and I don't see how that might be related to their Maple knowledge (which may be good, just not related to the amount of comments, I think.)&lt;/p&gt;
&lt;p&gt;A typical example - this thread. It has 6 comments and might get more in time. That would add 24 points to Will's score if it was in old Mapleprimes. How is that related to his Maple knowledge?&lt;/p&gt;
&lt;p&gt;Alec&lt;/p&gt;</itunes:summary>
      <description>The latest comments added to the Post, Calculating Back Reputation</description>
      <guid>89242</guid>
      <pubDate>Mon, 07 Jun 2010 23:49:45 Z</pubDate>
      <itunes:author>Alec Mihailovs</itunes:author>
      <author>Alec Mihailovs</author>
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