{"id":183,"date":"2008-09-29T05:00:26","date_gmt":"2008-09-29T09:00:26","guid":{"rendered":"http:\/\/whamit.mit.edu\/?p=183"},"modified":"2008-09-27T13:50:51","modified_gmt":"2008-09-27T17:50:51","slug":"cog-lunch-930-12pm-steve-piantadosi","status":"publish","type":"post","link":"https:\/\/ling-phil.mit.edu\/whamit\/2008\/09\/29\/cog-lunch-930-12pm-steve-piantadosi\/","title":{"rendered":"Cog Lunch 9\/30 12pm: Steve Piantadosi"},"content":{"rendered":"<p>This week&#8217;s Cog Lunch features Steve Piantadosi, presenting work with Noah Goodman and Josh Tenenbaum.<BR><\/p>\n<p>Title: A formal model of number word acquisition<BR><br clear='none'\/>\nTime: Tues 9\/30, 12PM<BR><br clear='none'\/>\nLocation: 46-3310<BR><\/p>\n<blockquote><p>\n<P>We present a formal computational model for learning number word<br clear='none'\/>\nmeanings from noisy, cross-situational evidence. The model learns to<br clear='none'\/>\nconstruct number word meanings in a developmentally-plausible &#8220;language<br clear='none'\/>\nof thought&#8221; and shows how rational probabilistic inference can explain<br clear='none'\/>\nseveral key developmental patterns. The model also illustrates how<br clear='none'\/>\ninfinite, structured, recursive concepts may be learned from relatively<br clear='none'\/>\nlittle data in a fairly unrestricted hypothesis space.<\/P><\/p>\n<p><P>The model also provides a formal framework for studying conceptual<br clear='none'\/>\nchange. It implements bootstrapping, where each successive numerical<br clear='none'\/>\nconcept is defined in terms of the previous one (Carey & Sarnecka 2006,<br clear='none'\/>\nCarey 2004). However, we provide a new formalization of bootstrapping<br clear='none'\/>\nthat avoids a key problem posed by Rips, Asmuth & Bloomfield (2006,<br clear='none'\/>\n2008)&#8212;that bootstrapping presupposes knowledge of number and therefore<br clear='none'\/>\ncannot explain how children learn numerical concepts. The model also<br clear='none'\/>\nshows how linguistic and conceptual structures may be crucially related<br clear='none'\/>\nin number word learning.<\/P>\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>This week&#8217;s Cog Lunch features Steve Piantadosi, presenting work with Noah Goodman and Josh Tenenbaum. Title: A formal model of number word acquisition Time: Tues 9\/30, 12PM Location: 46-3310 We present a formal computational model for learning number word meanings from noisy, cross-situational evidence. The model learns to construct number word meanings in a developmentally-plausible [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-183","post","type-post","status-publish","format-standard","hentry","category-talks"],"_links":{"self":[{"href":"https:\/\/ling-phil.mit.edu\/whamit\/wp-json\/wp\/v2\/posts\/183","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ling-phil.mit.edu\/whamit\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ling-phil.mit.edu\/whamit\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ling-phil.mit.edu\/whamit\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ling-phil.mit.edu\/whamit\/wp-json\/wp\/v2\/comments?post=183"}],"version-history":[{"count":3,"href":"https:\/\/ling-phil.mit.edu\/whamit\/wp-json\/wp\/v2\/posts\/183\/revisions"}],"predecessor-version":[{"id":186,"href":"https:\/\/ling-phil.mit.edu\/whamit\/wp-json\/wp\/v2\/posts\/183\/revisions\/186"}],"wp:attachment":[{"href":"https:\/\/ling-phil.mit.edu\/whamit\/wp-json\/wp\/v2\/media?parent=183"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ling-phil.mit.edu\/whamit\/wp-json\/wp\/v2\/categories?post=183"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ling-phil.mit.edu\/whamit\/wp-json\/wp\/v2\/tags?post=183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}