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PAN20 Authorship Analysis: Authorship Verification

Bevendorff, Janek; Kestemont, Mike; Stamatatos, Efstathios; Manjavacas, Enrique; Potthast, Martin; Stein, Benno


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    <subfield code="a">&lt;p&gt;&lt;strong&gt;Task&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Authorship verification is the task of deciding whether two texts have been written by the same author based on comparing the texts&amp;#39; writing styles.&lt;/p&gt;

&lt;p&gt;In the coming three years at PAN&amp;nbsp;2020 to PAN&amp;nbsp;2022, we develop a new experimental setup that addresses three key questions in authorship verification that have not been studied at scale to date:&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;
	&lt;p&gt;Year 1 (PAN 2020): Closed-set verficiation.&lt;br&gt;
	Given a large training dataset comprising of known authors who have written about a given set of topics, the test dataset contains verification cases from a subset of the authors and topics found in the training data.&lt;/p&gt;
	&lt;/li&gt;
	&lt;li&gt;
	&lt;p&gt;Year 2 (PAN 2021): Open-set verification.&lt;br&gt;
	Given the training dataset of Year&amp;nbsp;1, the test dataset contains verification cases from previously unseen authors and topics.&lt;/p&gt;
	&lt;/li&gt;
	&lt;li&gt;
	&lt;p&gt;Year 3 (PAN 2022):&amp;nbsp;&lt;em&gt;Suprise task&lt;/em&gt;.&lt;br&gt;
	The task of the last year of this evaluation cycle (to be announced at a later time) will be designed with an eye on realism and practical application.&lt;/p&gt;
	&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;This evaluation cycle on authorship verification provides for a renewed challenge of increasing difficulty within a large-scale evaluation. We invite you to plan ahead and participate in all three of these tasks.&lt;/p&gt;

&lt;p&gt;More information at:&amp;nbsp;&lt;a href="https://pan.webis.de/clef20/pan20-web/author-identification.html"&gt;PAN @ CLEF 2020 - Authorship Verification&lt;/a&gt;&lt;/p&gt;</subfield>
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    <subfield code="u">Bauhaus-Universität Weimar</subfield>
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