I'm working on a ranking algorithm to weight posts on a particular page (a-la hackernews or facebook top news). i'd like to weight a post on the user's "karma" and the number of up-votes the post receives over time. does anyone have any insight on how to accurately go about handling something like this?
<a href="http://arclanguage.org/" rel="nofollow">http://arclanguage.org/</a> contains the source code for HN, less some of the secret bits (and bytes).