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<span class="CEURVOLNR">Vol-3476</span> <br>
<span class="CEURURN">urn:nbn:de:0074-3476-4</span>
<p class="unobtrusive copyright" style="text-align: justify">Copyright &copy; 2023 for 
the individual papers by the papers' authors. 
Copyright &copy; <span class="CEURPUBYEAR">2023</span> for the volume
as a collection by its editors.
This volume and its papers are published under the
Creative Commons License Attribution 4.0 International
<A HREF="https://creativecommons.org/licenses/by/4.0/">(<span class="CEURLIC">CC BY 4.0</span>)</A>.</p>
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<h1><a href="https://perspectives-ws.github.io/2023/"><span class="CEURVOLACRONYM">PERSPECTIVES 2023</span></a><br>
<span class="CEURVOLTITLE">Proceedings of the Perspectives on the Evaluation of Recommender Systems Workshop 2023</span></h1>
<br>

<h3>
<span class="CEURFULLTITLE">Proceedings of the Perspectives on the Evaluation of Recommender Systems Workshop 2023</span><br>
co-located with the 17th ACM Conference on Recommender Systems (<span class="CEURCOLOCATED">RecSys 2023</span>)<br>
</h3>
<h3><span class="CEURLOCTIME">Singapore, Singapore, September 19, 2023</span>.</h3> 

<br>
<b> Edited by </b>
<p>



</p><h3>
	<a href="https://www.alansaid.com/"><span class="CEURVOLEDITOR">Alan Said</span></a>, 
    Department of Applied Information Technology, University of Gothenburg, Sweden <br>
   <a href="https://evazangerle.at"><span class="CEURVOLEDITOR">Eva Zangerle</span></a>, Department of Computer Science, University of Innsbruck, Austria<br>   
   <a href="https://christinebauer.eu/"><span class="CEURVOLEDITOR">Christine Bauer</span></a>, Department of Artificial Intelligence and Human Interfaces, Paris Lodron University Salzburg, Austria<br>
   
</h3>

<hr>

<br><br><br>

<div class="CEURTOC">
<h2> Table of Contents </h2>

<ul>
<li id="preface">
<A href="preface.pdf">Preface</A><BR>
Summary: There were <span class="CEURSUBMITTEDPAPERS">8</span> papers submitted for peer-review to this workshop. Out of these, 
<span class="CEURACCEPTEDPAPERS">5</span> papers were accepted for this volume. Furthermore, one out of three submitted abstracts was accepted.
</li>

<li id="paper1"><a href="paper1.pdf">
<span class="CEURTITLE">Annotation Practices in Societally Impactful Machine Learning Applications: What are Popular Recommender Systems Models Actually Trained On?</span></a><br>
<span class="CEURAUTHOR">Andra-Georgiana Sav</span>,
<span class="CEURAUTHOR">Andrew M. Demetriou</span>,
<span class="CEURAUTHOR">Cynthia C. S. Liem</span>
</li>

<li id="paper2"><a href="paper2.pdf">
<span class="CEURTITLE">Exploring Effect-Size-Based Meta-Analysis for Multi-Dataset Evaluation</span></a><br>
<span class="CEURAUTHOR">Mete Sertkan</span>, 
<span class="CEURAUTHOR">Sophia Althammer</span>
<span class="CEURAUTHOR">Sebastian Hofstätter</span>
<span class="CEURAUTHOR">Peter Knees</span>
<span class="CEURAUTHOR">Julia Neidhardt</span>
</li>


<li id="paper3"><a href="paper3.pdf">
<span class="CEURTITLE">Multiobjective Hyperparameter Optimization of Recommender Systems</span></a><br>
<span class="CEURAUTHOR">Marta Moscati</span>,
<span class="CEURAUTHOR">Yashar Deldjoo</span>,
<span class="CEURAUTHOR">Giulio Davide Carparelli</span>,
<span class="CEURAUTHOR">Markus Schedl</span>
</li>

<li id="paper4"><a href="paper4.pdf">
<span class="CEURTITLE">The Effect of Random Seeds for Data Splitting on Recommendation Accuracy</span></a><br>
<span class="CEURAUTHOR">Lukas Wegmeth</span>,
<span class="CEURAUTHOR">Tobias Vente</span>,
<span class="CEURAUTHOR">Lennart Purucker</span>,
<span class="CEURAUTHOR">Joeran Beel</span>,
</li>

<li id="paper5"><a href="paper5.pdf">
<span class="CEURTITLE">Unveiling Challenging Cases in Text-based Recommender Systems</span></a><br>
<span class="CEURAUTHOR">Ghazaleh Haratinezhad Torbati</span>
<span class="CEURAUTHOR">Anna Tigunova</span>
<span class="CEURAUTHOR">Gerhard Weikum</span>
</li>

<li id="abstract1"><a href="abstract1.pdf">
<span class="CEURTITLE">Abstract: A Common Misassumption in Online Experiments with Machine Learning Models</span></a><br>
<span class="CEURAUTHOR">Olivier Jeunen</span>
</li>

</ul>

</div>



<hr>
<span class="unobtrusive">
2023-09-04: submitted Eva Zangerle, 
            metadata incl. bibliographic data published under <A HREF="https://creativecommons.org/publicdomain/zero/1.0/">Creative Commons CC0</A><br>
<span class="CEURPUBDATE">2023-09-09</span>: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073)
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