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	<title>bits and bikes &#187; research computing</title>
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	<link>http://blog.greaterbayshell.com</link>
	<description>Compute, commute. Rinse and repeat.</description>
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		<title>Learning networks are about social search</title>
		<link>http://blog.greaterbayshell.com/2010/02/07/learning-networks-are-social-search/</link>
		<comments>http://blog.greaterbayshell.com/2010/02/07/learning-networks-are-social-search/#comments</comments>
		<pubDate>Mon, 08 Feb 2010 06:03:16 +0000</pubDate>
		<dc:creator>Ari</dc:creator>
				<category><![CDATA[Bits]]></category>
		<category><![CDATA[Books]]></category>
		<category><![CDATA[educational technology]]></category>
		<category><![CDATA[featured]]></category>
		<category><![CDATA[research computing]]></category>

		<guid isPermaLink="false">http://blog.greaterbayshell.com/?p=248</guid>
		<description><![CDATA[<a href="http://blog.vark.com/?p=361"><img class="right" src="http://www.googlelabs.com/show_app_thumbnail?app_key=agtnbGFiczIwLXd3d3IVCxIMTGFic0FwcE1vZGVsGPPhsAEM" alt="" width="78" height="78" /></a> Damon Horowitz and Sepandar Kamvar recently published a paper -- <A HREF="http://infolab.stanford.edu/~backrub/google.html">referentially</A> entitled "<A HREF="http://blog.vark.com/?p=352">The Anatomy of a Large-Scale <i>Social</i> Search Engine</A>" (<A HREF="http://vark.com/aardvarkFinalWWW2010.pdf">PDF</A>) -- in which they nicely lay out the social search problem and the <A HREF="http://vark.com">Aardvark</A> solution. As I was reading this paper, one thought kept surfacing...]]></description>
			<content:encoded><![CDATA[<p><a href="http://blog.vark.com/?p=361"><img class="right" src="http://www.googlelabs.com/show_app_thumbnail?app_key=agtnbGFiczIwLXd3d3IVCxIMTGFic0FwcE1vZGVsGPPhsAEM" alt="" width="78" height="78" /></a> Damon Horowitz and Sepandar Kamvar recently published a paper &#8212; <A HREF="http://infolab.stanford.edu/~backrub/google.html">referentially</A> entitled &#8220;<A HREF="http://blog.vark.com/?p=352">The Anatomy of a Large-Scale <i>Social</i> Search Engine</A>&#8221; (<A HREF="http://vark.com/aardvarkFinalWWW2010.pdf">PDF</A>) &#8212; in which they nicely lay out the social search problem and the <A HREF="http://vark.com">Aardvark</A> solution. As I was reading this paper, one thought kept surfacing: <strong>Learning networks are about social search.</strong> </p>
<p><a href="http://www.meetup.com"><IMG class="right" SRC="http://img2.meetupstatic.com/04199747090604847485/img/logo_82.png"></A> It seems reasonable to claim that since Q&#038;A is about learning, Aardvark&#8217;s network-based Q&#038;A site can be described as a type of learning network. The less obvious but, in my opinion, more interesting claim is that the design of learning networks can (and should!) be viewed as a social search problem. <a href="http://www.amazon.com/gp/product/0714508799?ie=UTF8&#038;tag=cpucycling0a-20&#038;linkCode=as2&#038;camp=1789&#038;creative=9325&#038;creativeASIN=0714508799">Illich</a><img src="http://www.assoc-amazon.com/e/ir?t=cpucycling0a-20&#038;l=as2&#038;o=1&#038;a=0714508799" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" /> argued this, <A HREF="http://www.meetup.com">Meetup</A> demonstrates it quite nicely, and <A HREF="http://blog.grockit.com/blog/category/learning/">Grockit</A> is moving in that direction, too. <A HREF="http://www.politicsdaily.com/2009/07/29/education-a-i-and-the-web-interviewing-grockits-ari-bader-n/">In an email exchange published last year</A>, I suggested that the future of AI in Education will have a lot to do with social search: </p>
<blockquote><p>I think the AIED systems of the future will be less about teaching directly, and more about providing guidance: when and how a student would benefit from working with someone else (perhaps a teacher, tutor, or peer.) When I get stuck solving a particular type of problem, who (that&#8217;s online and available) can best help me understand it? A good system will have predicted the frustrating challenge, and will have already lined up the person best-suited to explaining it to me in a way that I will understand. After I&#8217;ve demonstrated that I mastered the necessary skills, who can I then explain it to, both to help them and to clarify it for myself? A good system will be able to seamlessly coordinate this process. Through these interactions, the system will unobtrusively be learning more about me &#8212; both as a learner and as a peer-tutor &#8212; in order to improve with time.</p></blockquote>
<p>Downright Aardvarkian.</p>
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		<title>Announcing Grockit&#8217;s Summer 2010 Graduate Research Internship</title>
		<link>http://blog.greaterbayshell.com/2010/02/03/announcing-grockits-summer-2010-graduate-research-internship/</link>
		<comments>http://blog.greaterbayshell.com/2010/02/03/announcing-grockits-summer-2010-graduate-research-internship/#comments</comments>
		<pubDate>Thu, 04 Feb 2010 00:05:43 +0000</pubDate>
		<dc:creator>Ari</dc:creator>
				<category><![CDATA[Bits]]></category>
		<category><![CDATA[Books]]></category>
		<category><![CDATA[educational technology]]></category>
		<category><![CDATA[research computing]]></category>

		<guid isPermaLink="false">http://blog.greaterbayshell.com/?p=244</guid>
		<description><![CDATA[<a href="http://blog.grockit.com/files/2010/02/grockit_office.jpg"><a href="http://www.flickr.com/grockit"><img class="top right box" src="http://blog.grockit.com/files/2010/02/4328492454_15ff06fcd1.jpg" alt="Grockit from above" width="270" height="360" /></a>I'm happy to announce that Grockit will be offering its paid summer research internship program for the summer of 2010. This is the second year that we're doing this (<A HREF="http://blog.grockit.com/blog/2009/08/13/thank-you-angela/">thanks again, Angela!</A>), and I think it's a great opportunity for doctoral students to apply their own research experience to a system that a large (and growing) community of learners uses everyday. It's worth mentioning that Grockit has a large and interesting set of educational data, a <A HREF="http://blog.grockit.com/blog/category/learning/">variety of research interests</A>, a very <A HREF="http://blog.grockit.com/about/">talented team</A>, and a <A HREF="http://www.flickr.com/grockit">fantastic work environment</A>. I just posted details about this program (with an application form) on the <a href="http://blog.grockit.com/2010_summer_research_internship/"><span style="text-decoration: underline;">2010 Summer Research Internship</span></a>, and I encourage you to check it out.  ]]></description>
			<content:encoded><![CDATA[<p>(Cross-posted from the <A HREF="http://grockit.com/blog/main/2010/02/03/announcing-summer-2010-research-internship/">Grockit blog</A>.)</p>
<p><a href="http://www.flickr.com/grockit"><img class="top right box" src="http://grockit.com/blog/main/files/2010/02/4328492454_15ff06fcd1.jpg" alt="Grockit from above" width="270" height="360" />I&#8217;m happy to announce that Grockit will be offering its paid summer research internship program for the summer of 2010. This is the second year that we&#8217;re doing this (<A HREF="http://blog.grockit.com/blog/2009/08/13/thank-you-angela/">thanks again, Angela!</A>), and I think it&#8217;s a great opportunity for doctoral students to apply their own research experience to a system that a large (and growing) community of learners uses everyday. It&#8217;s worth mentioning that Grockit has a large and interesting set of educational data, a <A HREF="http://blog.grockit.com/blog/category/learning/">variety of research interests</A>, a very <A HREF="http://blog.grockit.com/about/">talented team</A>, and a <A HREF="http://www.flickr.com/grockit">fantastic work environment</A>. I just posted details about this program (with an application form) on the <a href="http://blog.grockit.com/2010_summer_research_internship/"><span style="text-decoration: underline;">2010 Summer Research Internship</span></a>, and I encourage you to check it out.  </p>
<p>I wanted to share a few thoughts on why we&#8217;re offering this, what we have in mind for the program, and why you (or perhaps someone you know) should <B><span style="text-decoration: underline;"> consider <a href="http://blog.grockit.com/2010_summer_research_internship/">applying</a>.</span></B> </p>
<p><a href="http://www.grockit.com/">Grockit</A>, as you may know, is a San Francisco-based web startup building a platform for &#8212; and a community around &#8212; <B><A HREF="http://blog.grockit.com/blog/2009/11/09/e-learn-2009-part-1/">synchronous</A> collaborative <A HREF="http://blog.grockit.com/blog/2009/07/13/grockit-on-the-docket-at-ai-in-ed/">learning games</A></b>. We strive to provide our growing global <A HREF="http://blog.grockit.com/blog/2009/11/24/social-contexts-for-learning/">network of learners</A> with a <A HREF="http://www.politicsdaily.com/2009/07/29/smart-technology-breeds-smart-students-in-web-test-prep-market/">smart platform</A> informed by <A HREF="http://blog.grockit.com/blog/2009/02/09/peer-powered-or-data-driven/">peer assistance</A> and <A HREF="http://www.politicsdaily.com/2009/07/29/education-a-i-and-the-web-interviewing-grockits-ari-bader-n/">adaptive support</A>. Towards this end, we&#8217;re <A HREF="http://dmlcompetition.net/pligg/story.php?title=644">constantly exploring new ways</A> to support collaborative learning online, and we&#8217;re frequently <A HREF="http://blog.grockit.com/blog/2009/08/13/thank-you-angela/">examining and applying techniques</A> for analyzing the learning data that we&#8217;ve been collecting. One reason that we&#8217;re offering this program is to expand on the ways in which we pursue these goals. </p>
<p>Two of the challenges in studying computational systems for peer learning &#8212; both of which I faced in completing my own graduate work &#8212; is that these systems can take quite some time to build, and it can often take even longer to cultivate a sufficiently large community of participating learners. As a result, the time required to get from hypothesis to data analysis can be (or at least can feel) quite long. At Grockit, we&#8217;ve been making good progress with regards to both challenges, and hope that this internship will provide an enterprising graduate student with the opportunity to speed up this process for their own research questions.</p>
<p>In addition to the research opportunity, we&#8217;re offering a program stipend, an accommodation stipend, and a travel stipend. You&#8217;ll also get a healthy breakfast and lunch cooked in the office every weekday and the chance to spend your summer in vibrant San Francisco. So if you are a doctoral student studying in a university in the United States and interested in applying for a summer research position with us, I&#8217;d encourage you to submit an application. </p>
<p><strong>The deadline is March 1, 2010, and <a href="http://blog.grockit.com/2010_summer_research_internship/"><span style="text-decoration: underline">you can apply today.</span></a></strong> </p>
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		<title>How many different ways can you misspell &#8220;accommodation&#8221;?</title>
		<link>http://blog.greaterbayshell.com/2008/05/07/how-many-different-ways-can-you-misspell-accommodation/</link>
		<comments>http://blog.greaterbayshell.com/2008/05/07/how-many-different-ways-can-you-misspell-accommodation/#comments</comments>
		<pubDate>Wed, 07 May 2008 16:58:38 +0000</pubDate>
		<dc:creator>Ari</dc:creator>
				<category><![CDATA[Bits]]></category>
		<category><![CDATA[research computing]]></category>

		<guid isPermaLink="false">http://blog.greaterbayshell.com/2008/05/07/how-many-different-ways-can-you-misspell-accommodation/</guid>
		<description><![CDATA[<A HREF="http://daaamn.com/"><IMG SRC="http://chart.apis.google.com/chart?chs=600x100&#038;chls=1,0,0&#038;chco=0077CC&#038;chm=B,E6F2FA,0,0,0&#038;chd=t:162000000,61600,122000,92400,60000,40200,24100,17200,14900,10900,8020,7550,5640,4030,3020,2720,2610,2040,1800,1450,1390,1140,930,996,734,699,664,570,403,505,464,274,210,231,252,156,183,115,130,145,129,107,91,241,88,112,44,28,39,87,15,163,39,14,16,48,37,9,7,9,4,34,7,4,1,2,2,5,2,2,5,4,5,3,6,3,1,5,0&#038;cht=ls&#038;chdl=damn"></A>
I spotted <A HREF="http://ohshiit.com/">this clever website</A> today (<A HREF="http://infosthetics.com/archives/2008/05/oh_shiit_damn_spelling_frequency.html">via</A>), which plots the number of Google results for various spellings of one particular expression. Now I, too, have generated statistics on various spellings of particular words, and have just yesterday posted them online. This includes about 100,000 spellings of about 3,000 English words, collected through the <A HREF="http://www.SpellBEE.org">SpellBEE</A> activity, as part of my <A HREF="http://www.aribadernatal.com/dissertation/">dissertation</A> work... ]]></description>
			<content:encoded><![CDATA[<p><a href="http://daaamn.com/"><img src="http://chart.apis.google.com/chart?chs=600x100&#038;chls=1,0,0&#038;chco=0077CC&#038;chm=B,E6F2FA,0,0,0&#038;chd=t:162000000,61600,122000,92400,60000,40200,24100,17200,14900,10900,8020,7550,5640,4030,3020,2720,2610,2040,1800,1450,1390,1140,930,996,734,699,664,570,403,505,464,274,210,231,252,156,183,115,130,145,129,107,91,241,88,112,44,28,39,87,15,163,39,14,16,48,37,9,7,9,4,34,7,4,1,2,2,5,2,2,5,4,5,3,6,3,1,5,0&#038;cht=ls&#038;chdl=damn" alt="" /></a><br />
I spotted <a href="http://daaamn.com/">this clever website</a> today (<a href="http://infosthetics.com/archives/2008/05/oh_shiit_damn_spelling_frequency.html">via</a>), which plots the number of Google results for various spellings of one particular expression.</p>
<p>I, too, have generated statistics on various spellings of particular words, and have just yesterday posted them online. This includes about 100,000 spellings of about 3,000 English words, collected through the <a href="http://www.SpellBEE.org">SpellBEE</a> activity, as part of my <a href="http://www.aribadernatal.com/dissertation/">dissertation</a> work. So if you&#8217;ve been wondering about the relative frequency of various misspellings of the word &#8220;accommodation&#8221;, you can now rest easy: check out <a href="http://www.aribadernatal.com/dissertation/spellbee_errors1.txt"><B>spellbee_errors1.txt</B></a>. Details, descriptions, and downloads are <a href="http://www.aribadernatal.comi/dissertation/">here</a>.</p>
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		<title>Coevisualizer</title>
		<link>http://blog.greaterbayshell.com/2007/11/15/coevisualizer/</link>
		<comments>http://blog.greaterbayshell.com/2007/11/15/coevisualizer/#comments</comments>
		<pubDate>Thu, 15 Nov 2007 19:19:13 +0000</pubDate>
		<dc:creator>Ari</dc:creator>
				<category><![CDATA[Bits]]></category>
		<category><![CDATA[my software]]></category>
		<category><![CDATA[research computing]]></category>

		<guid isPermaLink="false">http://blog.greaterbayshell.com/2007/11/15/coevisualizer/</guid>
		<description><![CDATA[<IMG SRC="http://www.aribadernatal.com/scripts/Coevisualizer/logo.jpg" class="left">Recently I've been spending time experimenting with (and extending) my coevolutionary simulation software, Coevisualizer, which I now use to model Teacher's Dilemma-driven learning. ... The teacher ends up consistently providing "appropriate" challenges for their student, even as the student's abilities change.]]></description>
			<content:encoded><![CDATA[<p><IMG SRC="http://www.aribadernatal.com/scripts/Coevisualizer/logo.jpg" class="left">Recently I&#8217;ve been spending time experimenting with (and extending) <a href="http://www.aribadernatal.com/scripts/Coevisualizer/index.html" title="Coevisualizer" target="_blank">my coevolutionary simulation software, Coevisualizer</a>, which I now use to Teacher&#8217;s Dilemma-driven learning. The blue line represents the increasing ability of a learning student, and the red marks the distribution over difficulty of problems posed to that student by a teacher who is motivated by the game-theoretic structure of the Teacher&#8217;s Dilemma.  The result? The teacher ends up consistently providing &#8220;appropriate&#8221; challenges for their student, even as the student&#8217;s abilities change.</p>
<p><a href="http://www.greaterbayshell.com/img/blog/800px/ObjectivePopulationView.jpg"><img src="http://www.greaterbayshell.com/img/blog/200px/ObjectivePopulationView.jpg" border="1" /></a></p>
<p><a href="http://www.greaterbayshell.com/img/blog/800px/Populations399.jpg"><img src="http://www.greaterbayshell.com/img/blog/200px/Populations399.jpg" border="1" /></a></p>
<p><a href="http://www.greaterbayshell.com/img/blog/800px/ProgressView.jpg"><img src="http://www.greaterbayshell.com/img/blog/200px/ProgressView.jpg" border="1" /></a></p>
<p><a href="http://www.aribadernatal.com/scripts/Coevisualizer/index.html" title="Coevisualizer" target="_blank">More about Coevisualizer (including download)</a></p>
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