<div dir="ltr"><div class="gmail_default" style="font-family:georgia,serif;font-size:small"><div class="gmail_default" style="font-family:Arial,Helvetica,sans-serif"><div><p style="font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;margin:0px"><font face="georgia, serif"><b><font style="vertical-align:inherit"><font style="vertical-align:inherit">When:    </font></font></b><font style="vertical-align:inherit"><font style="vertical-align:inherit"> Wednesday, May 10th at <b><font color="#000000" style="background-color:rgb(255,255,0)">11:30 AM CT</font></b></font></font><br></font></p><p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font face="georgia, serif"> </font></p><p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font face="georgia, serif"><font style="vertical-align:inherit"><font style="vertical-align:inherit"><b>Where:    </b><span class="gmail_default"><b></b></span><span class="gmail_default">T</span></font></font><span style="color:rgb(0,0,0)">alk will be giv</span><span style="color:rgb(0,0,0)">en </span><font style="color:rgb(0,0,0);font-weight:bold"><u style="background-color:rgb(255,255,0)">live, in-person</u></font><font style="color:rgb(0,0,0);font-weight:bold"> </font><span style="color:rgb(0,0,0)">at</span></font></p><p class="MsoNormal" style="margin:0in;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font color="#000000" face="georgia, serif">                     TTIC, 6045 S. Kenwood Avenue</font></p><p class="MsoNormal" style="margin:0in;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font color="#000000" face="georgia, serif">                     5th Floor, Room 530<b> </b></font></p><p class="MsoNormal" style="margin:0in;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font color="#000000" face="georgia, serif"><b><br></b></font></p><p class="MsoNormal" style="margin:0in;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font face="georgia, serif"><font color="#000000"><span class="gmail_default"><b>Virtually:  </b>  via Panopto<b> (<a href="https://uchicago.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=6355939c-49d5-496a-9d9e-af8e0117f336" target="_blank">Livestream</a>) </b></span></font><font color="#000000"><b><br></b></font></font></p><p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font face="georgia, serif"> </font></p><p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font face="georgia, serif"><b><font style="vertical-align:inherit"><font style="vertical-align:inherit">Who:      <span class="gmail_default"></span>   </font></font></b>Jason Eisner, John Hopkins University</font></p></div><div><b style="color:rgb(33,33,33)"><font face="georgia, serif"><br></font></b></div><div><font face="georgia, serif"><b style="color:rgb(33,33,33)">Title:        </b>Putting Planning and Reasoning Inside Language Models</font></div><div><p></p><div><font face="georgia, serif"><b style="color:rgb(33,33,33)">Abstract:   </b>Large autoregressive language models have been amazingly successful.  Nonetheless, should they be integrated with older AI techniques such as explicit knowledge representation, planning, and inference?  I'll discuss three possible reasons: </font></div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><div><div class="gmail_default"><div class="gmail_default"><font face="georgia, serif">1. Capacity: Current autoregressive models lack the computational capacity to attack combinatorially hard problems.  </font></div></div></div><div><div class="gmail_default"><div class="gmail_default"><font face="georgia, serif">2. Modularization: Results could be improved by consulting up-to-date domain knowledge, domain-specific theories, and systematic reasoning.</font></div></div></div><div><div class="gmail_default"><div class="gmail_default"><font face="georgia, serif">3. Interpretability: Ideally, generated answers should be able to discuss the underlying reasoning and the certainty of its conclusions.</font></div></div></div></blockquote><div dir="ltr"><div class="gmail_default"><div class="gmail_default"><font face="georgia, serif"><br></font></div><div class="gmail_default"><font face="georgia, serif">As possible directions, I'll outline some costly but interesting extensions to the standard autoregressive language models -- neural FSTs, lookahead models, and nested latent-variable models.  Much of this work is still in progress, so the focus will be on designs rather than results.  Collaborators include Chu-Cheng Lin, Weiting (Steven) Tan, Li (Leo) Du, Zhichu (Brian) Lu, and Hongyuan Mei</font></div></div></div></div><div><font face="georgia, serif"><br></font><div><p style="box-sizing:border-box;border-radius:0px;margin:0px 0px 10px"><font face="georgia, serif"><font color="#000000"><span style="box-sizing:border-box;border-radius:0px;font-weight:700">B</span><span style="box-sizing:border-box;border-radius:0px;font-weight:700">io:</span>    </font>Jason Eisner is a Professor of Computer Science at Johns Hopkins University, as well as Director of Research at Microsoft Semantic Machines. He is a Fellow of the Association for Computational Linguistics. At Johns Hopkins, he is also affiliated with the Center for Language and Speech Processing, the Mathematical Institute for Data Science, and the Cognitive Science Department. His goal is to develop the probabilistic modeling, inference, and learning techniques needed for a unified model of all kinds of linguistic structure. His 150+ papers have presented various algorithms for parsing, machine translation, and weighted finite-state machines; formalizations, algorithms, theorems, and empirical results in computational phonology; and unsupervised or semi-supervised learning methods for syntax, morphology, and word-sense disambiguation. He is also the lead designer of Dyna, a declarative programming language that provides an infrastructure for AI algorithms. He has received two school-wide awards for excellence in teaching, as well as recent Best Paper Awards at ACL 2017, EMNLP 2019, and NAACL 2021 and an Outstanding Paper Award at ACL 2022.</font></p></div><div><font face="georgia, serif"><br></font><p style="box-sizing:border-box;border-radius:0px;margin:0px 0px 10px"><font face="georgia, serif"><font color="#000000"><span style="box-sizing:border-box;border-radius:0px;font-weight:700">Hos</span><b><span style="box-sizing:border-box;border-radius:0px">t:</span><u><a href="mailto:klivescu@ttic.edu"> Karen Livescu</a></u></b></font></font></p></div></div></div><div style="font-family:Arial,Helvetica,sans-serif"><br></div><span class="gmail_signature_prefix" style="font-family:Arial,Helvetica,sans-serif">--</span><br style="font-family:Arial,Helvetica,sans-serif"><div dir="ltr" class="gmail_signature" style="font-family:Arial,Helvetica,sans-serif"><div dir="ltr"><b><font color="#3d85c6">Brandie Jones </font></b><div><div><div><font color="#3d85c6"><b><i>Executive </i></b></font><b style="color:rgb(61,133,198)"><i>Administrative Assistant</i></b></div></div><div><font color="#3d85c6">Toyota Technological Institute</font></div><div><font color="#3d85c6">6045 S. Kenwood Avenue</font></div><div><font color="#3d85c6">Chicago, IL  60637</font></div></div><div><font color="#3d85c6"><a href="http://www.ttic.edu/" target="_blank">www.ttic.edu</a> </font></div><div><font color="#3d85c6"><div style="background-color:rgb(238,238,238)"><div style="color:rgb(32,33,36)"><span style="color:rgb(61,133,198)">Working Remotely on Tuesdays</span></div></div></font></div></div></div></div></div>