From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.emacs.gnus.general/49754 Path: main.gmane.org!not-for-mail From: Lars Magne Ingebrigtsen Newsgroups: gmane.emacs.gnus.general Subject: Re: GroupLens (gnus-gl.el) Date: Sun, 02 Feb 2003 01:24:30 +0100 Organization: Programmerer Ingebrigtsen Sender: owner-ding@hpc.uh.edu Message-ID: References: <4nlm161ks2.fsf@lockgroove.bwh.harvard.edu> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: main.gmane.org 1044145402 26586 80.91.224.249 (2 Feb 2003 00:23:22 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Sun, 2 Feb 2003 00:23:22 +0000 (UTC) Return-path: Original-Received: from malifon.math.uh.edu ([129.7.128.13]) by main.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 18f7uq-0006uf-00 for ; Sun, 02 Feb 2003 01:23:20 +0100 Original-Received: from sina.hpc.uh.edu ([129.7.128.10] ident=lists) by malifon.math.uh.edu with esmtp (Exim 3.20 #1) id 18f7wI-0000kS-00; Sat, 01 Feb 2003 18:24:50 -0600 Original-Received: by sina.hpc.uh.edu (TLB v0.09a (1.20 tibbs 1996/10/09 22:03:07)); Sat, 01 Feb 2003 18:25:47 -0600 (CST) Original-Received: from sclp3.sclp.com (sclp3.sclp.com [66.230.238.2]) by sina.hpc.uh.edu (8.9.3/8.9.3) with SMTP id SAA09186 for ; Sat, 1 Feb 2003 18:25:32 -0600 (CST) Original-Received: (qmail 65096 invoked by alias); 2 Feb 2003 00:24:31 -0000 Original-Received: (qmail 65091 invoked from network); 2 Feb 2003 00:24:31 -0000 Original-Received: from quimby.gnus.org (80.91.224.244) by 66.230.238.6 with SMTP; 2 Feb 2003 00:24:31 -0000 Original-Received: from news by quimby.gnus.org with local (Exim 3.12 #1 (Debian)) id 18f80z-0002NO-00 for ; Sun, 02 Feb 2003 01:29:41 +0100 Original-To: ding@gnus.org Original-Path: not-for-mail Original-Newsgroups: gnus.ding Original-Lines: 18 Original-NNTP-Posting-Host: quimbies.gnus.org Original-X-Trace: quimby.gnus.org 1044145781 9091 80.91.231.2 (2 Feb 2003 00:29:41 GMT) Original-X-Complaints-To: usenet@quimby.gnus.org Original-NNTP-Posting-Date: 2 Feb 2003 00:29:41 GMT Mail-Copies-To: never X-Now-Playing: Missy "Misdemeanor" Elliott's _Supa Dupa Fly_: "Beep Me 911" Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAG1BMVEVyPxD//9L+8I/zhzv6 vVz///8pFQINAwCwcyma0cZvAAACRUlEQVR4nF2UP4+jMBDFR4qEKA8U+mOWSClXaxepzdxqW6Jz T+XsJwgtOqOTP/a9Yfm3Z0Up5sfzjJ8fEGch9ERZGB4hozylRCndRqImZH2G+mMIfR6tiLQ3QKIr niMK4fGkKFwXRVGK1ukVYBopDD3qhdfVvdDXyt2IvXLLtf9a91dCk0QTo94b4WoB/oou0wfFD/TI rdvBOd6oSblJGDmKW3fCXtHQNdkWoD8K/P3D0k1YFZ/fQAcQXWPGLJyED8BfAaThMczgsoMXSyfL jQ5l0LzqVtC8EU31GUOpexaGcD1vWDrq/1RXDJWM3BLEIjMBwAkxFGFoM+ata9j7ovId05iPiUIe UU5vZdk4VH95z2RGBRTRw1z8XQQO41eStDAMFhpckW7BhfYoANB0DHkrLE7PXOnzFTMx2/aWncRx 4zZHGKBmnDk7OebGbPaeRRVF1f2dQXSrKXfLVGq3dwUv0b2tEqOKsvI/1cPW1ryZ6ChNcvE/IhSt 230HQPhs/T5hKLnsoHGanpRGAJHDfZQyBwtuuEZay/8DIhjSGrvnpGsWMIkYQW63LiVRvyjmK9rI b00zQEQdY6mHKxiGJ96ckyAL5SE/Z4AhID1WjrHCQWh4KPg09hu4iypAesx6ADW3M0CXCEmxPe/Y zAAaxGTX3GHcAvAGGmPcoulqhGEBTwXYbt6vw98KhpOxRjPEWocBOPkKYCOA87AMqgNAekH4q34A cMtaxGuxeAPzZwTfjE2RzcNm+jqzrvoInikFo/V6t+UfllQywNhdgkYAAAAASUVORK5CYII= User-Agent: Gnus/5.090015 (Oort Gnus v0.15) Emacs/21.2.50 (i686-pc-linux-gnu) Cancel-Lock: sha1:0Mb1QNy5jVHGROf1LlI4RpP2OqI= Precedence: list X-Majordomo: 1.94.jlt7 Xref: main.gmane.org gmane.emacs.gnus.general:49754 X-Report-Spam: http://spam.gmane.org/gmane.emacs.gnus.general:49754 Raja R Harinath writes: > But, GroupLens is not supposed to be a moderation system. It is > supposed to find people who appear to have opinions similar to yours, > and weights the score based on that "closeness" criterion. > > It is thus less likely to be poisoned -- unless you are poisonous too :-) It's a more subtle tool than, er, "flat" moderation, but it's still pretty easy to poison (unless you use some kind of authorization system, or keep it "in the family"). Hacking up a system that would inject a gazillion fake profiles that would make it likely that your important MAKE VIAGRA NOW messages rate highly isn't particularly difficult. Probably. -- (domestic pets only, the antidote for overdose, milk.) larsi@gnus.org * Lars Magne Ingebrigtsen