<div dir="ltr"><span id="gmail-docs-internal-guid-274da54d-7fff-f26d-b54a-30597522559f"><h1 dir="ltr" style="line-height:1.38;margin-top:20pt;margin-bottom:6pt"><span style="font-size:20pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Call for Participation</span></h1><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Subject: </span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">PADL 2020 Call for Participation</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Please see many exciting talks and events at PADL 2020:</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">The 22nd Symposium on Practical Aspects of Declarative Languages</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><a href="https://popl20.sigplan.org/home/PADL-2020" style="text-decoration-line:none"><span style="font-size:12pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">https://popl20.sigplan.org/home/PADL-2020</span></a><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"> (Early registration by 12/18)</span></p><h2 dir="ltr" style="line-height:1.38;margin-top:18pt;margin-bottom:6pt"><span style="font-size:16pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Invited Talks</span></h2><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Nikolaj Bjørner</span><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">, Microsoft Research</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">Logical Engines for Cloud Configurations</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Adnan Darwiche</span><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">, UCLA</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">Symbolic Reasoning About Machine Learning Systems</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Invited Experience and Direction Session Invited Talks</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Molham Aref</span><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">, Relational AI</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">Relational Artificial Intelligence</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Mayur Naik</span><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">, University of Pennsylvania</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">Learning Interpretable Rules from Structured Data</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Grant Passmore</span><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">, Imandra Inc. and Cambridge University</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">An Introduction to the Imandra Automated Reasoning System</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Philip Wadler</span><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">, University of Edinburgh</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">We Are All Poor Schmucks: On the Value of Gradual Types</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;padding:0pt 0pt 8pt"><span style="font-size:13.5pt;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap"><span style="border:none;display:inline-block;overflow:hidden;width:100px;height:100px"><img alt="Nikolaj Bjørner" src="https://lh5.googleusercontent.com/Hws--D7Glkyy2rdB0l3KFkt9Y2ZruqmX21s7KPfwflkW4bVKrIuSpBjI5N4teowqaG5b0h_iNFOnrXGlDkQAdi60iqdnL6Q3yrqYJB_xlewEiHk-MHaY3Q8qVC4bAZ14s0GKLn7B" width="100" height="100" style="margin-left: 0px; margin-top: 0px;"></span></span><span style="font-size:13.5pt;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap"><span style="border:none;display:inline-block;overflow:hidden;width:100px;height:100px"><img alt="Adnan Darwiche" src="https://lh4.googleusercontent.com/BLiecNqwVpkCL7MByW3uoS-OqEWMsWcAbKWcNLoEq1T8pIoNDbsGIFJVgO1AO_fTMlFnEyJDDlwe5zmJX6vLnfoIsQxThlM15AIJg1xjy9X3d13sNiju3D5ZodR3L9uTgnCwtD3x" width="100" height="100" style="margin-left: 0px; margin-top: 0px;"></span></span><span style="font-size:13.5pt;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap"><span style="border:none;display:inline-block;overflow:hidden;width:100px;height:100px"><img alt="Molham Aref" src="https://lh5.googleusercontent.com/x_6il1cbmTtmRf6LI7pfNweSdtmOPkE2NHHAOE4pxUtWdog0zZfy5UjqCRbzxLENQ9l77JvFCzbfX7eKhPCrVaC0QRDy_vm_kBN1mWQlALpkdVBgH8yyDJqEw_bjfCuCKbqDY-YZ" width="100" height="100" style="margin-left: 0px; margin-top: 0px;"></span></span><span style="font-size:13.5pt;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap"><span style="border:none;display:inline-block;overflow:hidden;width:100px;height:100px"><img alt="Grant Passmore" src="https://lh3.googleusercontent.com/L73olY94yWocNkpyNzcOLxEcL6gWjZMdvGDuvau5z6MGUk7pUjT-TVIjGX_zfw5MWmNpTXxzm_A73o_VtJ6ZCHCZAyIe1FSnao5Aa4FjJVyngKQd-uvJGvnHDt4uO6qQ8YDxD3PE" width="100" height="100" style="margin-left: 0px; margin-top: 0px;"></span></span><span style="font-size:13.5pt;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap"><span style="border:none;display:inline-block;overflow:hidden;width:100px;height:100px"><img alt="Mayur Naik" src="https://lh3.googleusercontent.com/NXl6QpvRz-Q4MVdDTS_BV6X__73j-EWRFExbvW-iv8WggvKmjX3rTNzyDlifvYpyPFFBbB8mP1DdVPISeTAIxusa8bdK_NH7p1MiJ2CBim8PsRKFzrYdLJwvTb0uYO5Pf_kt66HR" width="100" height="100" style="margin-left: 0px; margin-top: 0px;"></span></span><span style="font-size:13.5pt;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap"><span style="border:none;display:inline-block;overflow:hidden;width:100px;height:100px"><img alt="Phil Wadler" src="https://lh6.googleusercontent.com/NSAcjzuvgw7ezDjsTu49ZigxJP5xBR1hQzsnYKdYbYWBlbHpHjEupyuZrf4xXdLnkumnED89GgZkhu4P1lt9PKHsfnkXYli-HgU-SXhLdPWSzuEFjkZ6mE-tqHLeeeh-K-yl02mQ" width="100" height="100" style="margin-left: 0px; margin-top: 0px;"></span></span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:16pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Complete Program</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><a href="https://popl20.sigplan.org/home/PADL-2020#program" style="text-decoration-line:none"><span style="font-size:11pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">https://popl20.sigplan.org/home/PADL-2020#program</span></a></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">This includes also presentations of 10 full papers and 4 short papers; four discussion panels: (1) Programming with Logic for the Masses, (2) Memory and Real-Time Programming in Practice, (3) Reasoning for Machine Learning at Large, and (4) Experience and Direction; and a competitive programming experience session.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:16pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Registration</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><a href="https://regmaster4.com/2020conf/POPL20/register.php" style="text-decoration-line:none"><span style="font-size:12pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">https://regmaster4.com/2020conf/POPL20/register.php</span></a></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Early rate closes on December 18th</span></p></span><br class="gmail-Apple-interchange-newline"></div>