<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><span id="docs-internal-guid-17adfb32-7fff-ef7f-1e5d-96a3b19de3d0" class=""><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;background-color:#ffffff;" class=""><span style="font-size: 11pt; font-family: Arial; background-color: transparent; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Thanks for the diffusion of ACM SIGIR 2019 Call for papers</span></p><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;text-align: center;background-color:#ffffff;" class=""><span style="font-size: 11pt; font-family: Arial; background-color: transparent; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">=====================================================================</span></p><div style="line-height: 1.38; margin-top: 3pt; margin-bottom: 3pt; text-align: center; background-color: rgb(255, 255, 255);" class=""> <br class="webkit-block-placeholder"></div><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;text-align: center;background-color:#ffffff;" class=""><a href="http://sigir.org/sigir2019/" style="text-decoration:none;" class=""><span style="font-size: 11pt; font-family: Verdana; color: rgb(17, 85, 204); background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; text-decoration: underline; -webkit-text-decoration-skip: none; vertical-align: baseline; white-space: pre-wrap;" class="">ACM SIGIR 2019</span></a></p><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;text-align: center;background-color:#ffffff;" class=""><span style="font-size: 11pt; font-family: Verdana; background-color: transparent; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">The 42nd International ACM SIGIR Conference on </span></p><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;text-align: center;background-color:#ffffff;" class=""><span style="font-size: 11pt; font-family: Verdana; background-color: transparent; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Research and Development in Information Retrieval</span></p><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;text-align: center;background-color:#ffffff;" class=""><span style="font-size: 11pt; font-family: Verdana; background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">July 21-25, 2019, Paris, France</span></p><div style="line-height: 1.38; margin-top: 3pt; margin-bottom: 3pt; text-align: center; background-color: rgb(255, 255, 255);" class=""> <br class="webkit-block-placeholder"></div><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;text-align: center;background-color:#ffffff;" class=""><span style="font-size: 11pt; font-family: Verdana; background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">FIRST CALL FOR PAPERS</span></p><div style="line-height: 1.38; margin-top: 3pt; margin-bottom: 3pt; text-align: center; background-color: rgb(255, 255, 255);" class=""> <br class="webkit-block-placeholder"></div><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;background-color:#ffffff;" class=""><span style="font-size: 11pt; font-family: Verdana; background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Call for Full Papers</span></p><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;text-align: justify;background-color:#ffffff;" class=""><span style="font-size: 11pt; font-family: Verdana; background-color: transparent; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">The annual SIGIR conference is the major international forum for the presentation of new research results, and the demonstration of new systems and techniques, in the broad field of information retrieval (IR). The 42nd ACM SIGIR conference, to be held in Paris, France, welcomes contributions related to any aspect of information retrieval and access, including theories, foundations, algorithms, applications, evaluation, and analysis. The conference and program chairs invite those working in areas related to IR to submit original papers for review.</span></p><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;text-align: justify;background-color:#ffffff;padding:0pt 0pt 5pt 0pt;" class=""><span style="font-size: 11pt; font-family: Verdana; background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Important Dates (timezone: </span><a href="https://www.worldtimeserver.com/time-zones/aoe/" style="text-decoration:none;" class=""><span style="font-size: 11pt; font-family: Verdana; color: rgb(17, 85, 204); background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; text-decoration: underline; -webkit-text-decoration-skip: none; vertical-align: baseline; white-space: pre-wrap;" class="">anywhere on earth</span></a><span style="font-size: 11pt; font-family: Verdana; background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">)</span></p><div dir="ltr" style="margin-left:0pt;" class=""><table style="border:none;border-collapse:collapse;width:451.27559055118115pt" class=""><colgroup class=""><col width="306" class=""><col width="*" class=""></colgroup><tbody class=""><tr style="height:0pt" class=""><td style="vertical-align:top;background-color:#ffffff;" class=""><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size: 10pt; font-family: Verdana; background-color: transparent; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Full paper abstract registration deadline</span></div></td><td style="vertical-align:top;background-color:#ffffff;" class=""><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt; margin-right: -144.75pt;" class=""><span style="font-size: 10pt; font-family: Verdana; background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""> January 21, 2019</span></div></td></tr><tr style="height:0pt" class=""><td style="vertical-align:top;background-color:#ffffff;" class=""><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size: 10pt; font-family: Verdana; background-color: transparent; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Full paper submission deadline</span></div><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size: 10pt; font-family: Verdana; background-color: transparent; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Full paper notifications</span></div></td><td style="vertical-align:top;background-color:#ffffff;" class=""><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt; margin-right: -144.75pt;" class=""><span style="font-size: 10pt; font-family: Verdana; background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""> January 28, 2019 </span></div><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt; margin-right: -144.75pt;" class=""><span style="font-size: 10pt; font-family: Verdana; background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""> April 14, 2019</span></div><br class=""></td></tr></tbody></table></div><h2 dir="ltr" style="line-height:1.38;margin-top:7pt;margin-bottom:6pt;border-bottom:solid #000000 1.5pt;padding:4pt 0pt 6pt 0pt;" class=""><span style="font-size: 12pt; font-family: Verdana; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Committees</span></h2><h3 dir="ltr" style="line-height:1.38;margin-top:7pt;margin-bottom:6pt;margin-left: 30pt;border-bottom:solid #000000 0.75pt;padding:3pt 0pt 4pt 0pt;" class=""><span style="font-size: 11pt; font-family: Verdana; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Program chairs</span></h3><ul style="margin-top:0pt;margin-bottom:0pt;" class=""><li dir="ltr" style="list-style-type: disc; font-size: 11pt; font-family: Verdana; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre;" class=""><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size: 11pt; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Yoelle Maarek, Amazon Research, Haifa, Israel</span></div></li><li dir="ltr" style="list-style-type: disc; font-size: 11pt; font-family: Verdana; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre;" class=""><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size: 11pt; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Jian-Yun Nie, University of Montreal, Canada</span></div></li><li dir="ltr" style="list-style-type: disc; font-size: 11pt; font-family: Verdana; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre;" class=""><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size: 11pt; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Falk Scholer, RMIT University, Melbourne, Australia</span></div></li></ul><h3 dir="ltr" style="line-height:1.38;margin-top:7pt;margin-bottom:6pt;margin-left: 30pt;border-bottom:solid #000000 0.75pt;padding:3pt 0pt 4pt 0pt;" class=""><span style="font-size: 11pt; font-family: Verdana; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">General chairs</span></h3><ul style="margin-top:0pt;margin-bottom:0pt;" class=""><li dir="ltr" style="list-style-type: disc; font-size: 11pt; font-family: Verdana; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre;" class=""><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size: 11pt; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Max Chevalier, CNRS & Université Paul Sabatier, Toulouse, France</span></div></li><li dir="ltr" style="list-style-type: disc; font-size: 11pt; font-family: Verdana; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre;" class=""><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size: 11pt; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Eric Gaussier, CNRS & Université Joseph Fourier, Grenoble, France</span></div></li><li dir="ltr" style="list-style-type: disc; font-size: 11pt; font-family: Verdana; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre;" class=""><div style="line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-size: 11pt; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Benjamin Piwowarski, CNRS, LIP6, Sorbonne Université, Paris, France</span></div></li></ul><h2 dir="ltr" style="line-height:1.38;margin-top:7pt;margin-bottom:6pt;border-bottom:solid #000000 1.5pt;padding:4pt 0pt 6pt 0pt;" class=""><span style="font-size: 12pt; font-family: Verdana; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Contact</span></h2><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;background-color:#ffffff;" class=""><span style="font-size: 11pt; font-family: Verdana; background-color: transparent; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">All questions about full paper submissions should be emailed to </span><span style="font-size: 11pt; font-family: Verdana; background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">sigir2019-pcchairs AT easychair DOT org.</span></p><div style="line-height: 1.38; margin-top: 3pt; margin-bottom: 3pt; background-color: rgb(255, 255, 255);" class=""> <br class="webkit-block-placeholder"></div><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;background-color:#ffffff;" class=""><span style="font-size: 11pt; font-family: Verdana; background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">follow us on twitter : @sigir2019</span></p><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;background-color:#ffffff;" class=""><span style="font-size: 11pt; font-family: Verdana; background-color: transparent; font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">follow us on our web site : <a href="http://sigir.org/sigir2019/" class="">http://sigir.org/sigir2019/</a></span></p><p dir="ltr" style="line-height:1.38;margin-top:3pt;margin-bottom:3pt;text-align: center;background-color:#ffffff;padding:0pt 0pt 5pt 0pt;" class=""><span style="font-size: 11pt; font-family: Arial; background-color: transparent; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">=====================================================================</span></p><div class=""><span style="font-size: 11pt; font-family: Arial; background-color: transparent; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""><br class=""></span></div></span><div class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class="Apple-interchange-newline"></div><br class="Apple-interchange-newline"></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline">
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