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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Jens Grivolla - Curriculum Vitae</title>
<style type="text/css">
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font-weight: bold;
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<body>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<center>
<p>
<span class="sec">Jens Grivolla</span> - <b>Doctor in Computing Science</b>
</p>
</center>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr valign="middle">
<td align="center" width="325">
c/ Ramón Turró 332, bajos 1a
<br/>08019 Barcelona
<br/>España
<br/>
<br/><b>Tel. (private):</b> +34 664 752 574
<br/>
<br/><b>E-mail : </b><a href="mailto:[email protected]">[email protected]</a>
</td>
<td align="center">
<img src="grivolla-small.jpg" alt="[ Jens Grivolla ]">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td>
<br>
<hr>
<br>
</td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<div class="mystyle">
<div class="nobreak">
<div class="sec">Degrees and Education</div>
<table class="mytable">
<tr>
<td class="date">
<span class="date">Nov. 2001 - May 2006</span>
</td>
<td class="mytd">
<span class="activity">Doctorate in Computing Science, NLP / Document Retrieval</span>
<br/> LIA, Université d'Avignon et des Pays de Vaucluse (UAPV), France
<br/> "Apprentissage et Décision Automatique en Recherche Documentaire: prédiction de difficulté de requêtes et sélection de modèle de recherche"
<br/> (Automatic learning and decision in document retrieval: prediction of query difficulty and retrieval model selection)
<br/>
<span class="it">Doctorate thesis defended on May 31st, 2006</span>
</td>
</tr>
<tr>
<td class="date">
<span class="date">2000 - 2001</span>
</td>
<td class="mytd">
<span class="activity">DEA d'Informatique (Master's Degree)</span>
<br/> Faculté des Sciences de Luminy, Université d'Aix-Marseille II, France
</td>
</tr>
<tr>
<td class="date">
<span class="date">1998 - 2000</span>
</td>
<td class="mytd">
<span class="activity">Vordiplom Informatik (Undergraduate Degree in Computing Science)</span>
<br/> Technische Universität Berlin, Germany
</td>
</tr>
<tr>
<td class="date">
<span class="date">1990 - 1997</span>
</td>
<td class="mytd">
<span class="activity">Secondary education (high school) and Abitur (graduation)</span>
<br/> «Askanisches Gymnasium», Berlin, Germany
</td>
</tr>
<tr>
<td class="date">
<span class="date">1994 - 1995</span>
</td>
<td class="mytd">
<span class="activity">High School -- Junior Year</span>
<br/> «American Fork High School», Utah, USA
</td>
</tr>
</table>
</div>
<div class="nobreak">
<div class="sec">Professional / Research Experience</div>
<table class="mytable">
<tr>
<td class="date">
<span class="date">February 2024 - ...</span>
</td>
<td class="mytd">
<span class="activity">Senior Research Engineer at the Barcelona Supercomputing Center</span> in Barcelona, Spain.
<br/> Applied Research in the Language Technologies group:
<ul>
<li> Leveraging Large Language Models for real-world applications </li>
<li> Adaptation / fine-tuning of LLMs </li>
<li> Participation in European Projects </li>
</ul>
</td>
</tr>
<tr>
<td class="date">
<span class="date">March 2017 - January 2024</span>
</td>
<td class="mytd">
<span class="activity">Researcher at the Universitat Pompeu Fabra (TALN)</span> in Barcelona, Spain.
<br/> Applied Research in the TALN group on a variety of NLP tasks:
<ul>
<li> Natural Language Analysis (UIMA) </li>
<li> Machine Translation </li>
<li> Natural Language Generation </li>
</ul>
Head of technical infrastructure and development:
<ul>
<li> Transition to a unified UIMA-based architecture across projects</li>
<li> Implementation of Docker Swarm based service management</li>
<li> Management of the group's technical infrastructure in coordination with UPF's IT services</li>
</ul>
Technical lead and coordinator of TALN's tasks in multiple EU projects (and other funding schemes):
<ul>
<li> coordinator: TENSOR, Connexions, V4Design, Ingenious, XR4DRAMA, TecSemHu</li>
<li> technical lead and researcher: beAWARE, Mindspaces, WELCOME, ALLIES, ReSilence</li>
<li> contributor to proposal writing on various projects</li>
</ul>
</td>
</tr>
<tr>
<td class="date">
<span class="date">Dec. 2013 - Apr. 2017</span>
</td>
<td class="mytd">
<span class="activity">Researcher at the Universitat Pompeu Fabra (GLiCom)</span> in Barcelona, Spain.
<br/> Applied Research in the GLiCom group on the topic of information extraction, retrieval and data mining:
<ul>
<li> Natural Language Processing (UIMA) </li>
<li> Semantic Search (UIMA + Solr) </li>
<li> recommender systems (news, social media):
<ul>
<li> hybrid systems: audio, social, and textual information</li>
</ul>
</li>
<li> analysis of social networks</li>
</ul>
Technical lead on the EUMSSI project (FP7-ICT 611057), evaluated as "excellent" by the European Commission:
<ul>
<li> Design and implementation of a scaleable platform for multilayered multimedia analysis</li>
<li> Technical coordination of development across consortium partners</li>
</ul>
</td>
</tr>
<tr>
<td class="date">
<span class="date">April 2008 - Nov. 2013</span>
</td>
<td class="mytd">
<span class="activity">Researcher at the Fundació Barcelona Media (Universitat Pompeu Fabra)</span> in Barcelona, Spain.
<br/> Applied Research on the topic of information retrieval / data mining:
<ul>
<li> recommender systems (music, interactive services, personalized offers):
<ul>
<li> hybrid systems: audio, social, and textual information</li>
<li> integrating collaborative filtering with user demographics and item features (extracted using NLP)</li>
</ul>
</li>
<li> analysis of social networks</li>
<li> user profiling</li>
<li> Natural Language Processing (UIMA) </li>
<li> Semantic Search (UIMA + Solr) </li>
</ul>
</td>
</tr>
<tr>
<td class="date">
<span class="date">Oct. 2006 - Dec. 2007</span>
</td>
<td class="mytd">
<span class="activity">Research and Development at MTG</span>
<br/> In the Music Information Retrieval (MIR) group of the Music Technology Group (MTG) of the Universitat Pompeu Fabra (UPF) in Barcelona, Spain.
<br/> Applied Research on the topic of music information retrieval (work conducted under NDA):
<ul>
<li> a fuzzy matching algorithm for the fusion of music related information sources</li>
<li> music recommendation systems
<ul>
<li> playlist generation, genre classification, mood classification, labelling</li>
<li> hybrid systems: audio, social, and textual information</li>
</ul>
</li>
<li> automatic tagging of music related content based on Wikipedia, social community, and web based information sources</li>
<li> task oriented performance evaluation of MIR systems</li>
</ul>
Most of the work relates to several European Projects, such as Variazioni, Pharos, Cantata, and others
</td>
</tr>
<tr>
<td class="date">
<span class="date">2001 - 2006</span>
</td>
<td class="mytd">
<span class="activity">Doctorate thesis in computing science</span>
<br/> In the «Dialogue» research group at the Laboratoire Informatique d'Avignon (LIA), University of Avignon (UAPV), under supervision from Renato de Mori (Prof. LIA-UAPV) and Pierre Jourlin (MdC. LIA-UAPV). Defended on May 31st, 2006.
<br/> Research on the topic of information retrieval:
<ul>
<li> continuation of the master's thesis on predicting query difficulty</li>
<li> application of automatic learning and classification methods for the evaluation of document retrieval system performance</li>
<li> an automatic decision model for the optimization of retrieval strategies</li>
</ul>
</td>
</tr>
<tr>
<td class="date">
<span class="date">2001 - 2004 </span>
</td>
<td class="mytd">
<span class="activity">Industrial partnership</span> with Digitech S.A., as part of the doctorate thesis
</td>
</tr>
<tr>
<td class="date">
<span class="date">February - June 2001 </span>
</td>
<td class="mytd">
<span class="activity">Master's thesis research project</span> at the Laboratoire d'Informatique d'Avignon (LIA), «Évaluation et Prédiction des Difficultés de Requêtes dans la Recherche Documentaire pour l'Optimisation de Systèmes Interactifs» (Evaluation
and Prediction of Query Difficulty in Document Retrieval for the Optimization of Interactive Systems)
</td>
</tr>
<tr>
<td class="date">
<span class="date">Oct. 1999 - Sept. 2000 </span>
</td>
<td class="mytd">
<span class="activity">Tutor in Computing Science</span> at the TU Berlin, see below for details
</td>
</tr>
<tr>
<td class="date">
<span class="date">April - Dec. 1999 </span>
</td>
<td class="mytd">
<span class="activity">Part time employment as a systems administrator</span> at «Berliner Glas KG»
<ul>
<li>transition from dial-up to permanent Internet connectivity, transfer of DNS domains previously maintained externally</li>
<li>planning and implementation of a security concept for the internal network</li>
<li>installation and maintenance of different servers (mail, web, samba, proxy, ...)</li>
<li>user support</li>
</ul>
</td>
</tr>
<tr>
<td class="date">
<span class="date">1997 - 1998</span>
</td>
<td class="mytd">
<span class="activity">Civilian/social service</span> (alternative to the otherwise mandatory military service) at the St. Joseph hospital in Berlin.
</td>
</tr>
</table>
</div>
<div class="nobreak">
<div class="sec">Teaching</div>
<table class="mytable">
<tr>
<td class="date">
<span class="date">Jan. - March 2016 </span>
</td>
<td class="mytd">
<span class="activity">Professor associat</span> (Assistant professor)
<br/> Teaching activities at the Universitat Pompeu Fabra (UPF):
<ul>
<li>
<span class="activity">Anàlisi lingüistica i corpus </span>
<br/> 3rd year. Corpus linguistics</li>
</ul>
</td>
</tr>
<tr>
<td class="date">
<span class="date">Jan. - Sept. 2009 </span>
</td>
<td class="mytd">
<span class="activity">Professor associat</span> (Assistant professor)
<br/> Teaching activities at the Universitat Pompeu Fabra (UPF):
<ul>
<li>
<span class="activity">Programmació 1/2/3</span>
<br/> 1st year. Programming and algorithms (Java)</li>
</ul>
</td>
</tr>
<tr>
<td class="date">
<span class="date">2004 - 2006 </span>
</td>
<td class="mytd">
<span class="activity">Attaché Temporaire d'Enseignement et de Recherche (ATER)</span> (Assistant researcher/teacher)
<br/> Teaching activities at the IUP Génie Mathématique et Informatique:
<ul>
<li>
<span class="activity">Programming project</span>
<br/> 3rd year (Licence). Implementation of a functional language interpreter in C++
</li>
<li>
<span class="activity">Information markup and structuring: XML</span>
<br/> 4th year (Mastère). VoiceXML, SMIL, Java (DOM, SAX), ...</li>
<li>
<span class="activity">Document indexing</span>
<br/> 4th year (Mastère). Document retrieval, indexing, compression, ...</li>
<li>
<span class="activity">OOP, Java / C#</span>
<br/> 4th year (Mastère). GUI programming, object models</li>
</ul>
</td>
</tr>
<tr>
<td class="date">
<span class="date">2001 - 2004 </span>
</td>
<td class="mytd">
<span class="activity">Moniteur de l'Enseignement Supérieur</span> (Tutor)
<br/> Teaching activities at the IUP Génie Mathématique et Informatique and the University of Avignon (UAPV):
<ul>
<li>
<span class="activity">Programming and algorithms in C++</span>
<br/> 2nd year (IUP 1). Algorithms, C++ practice and initiation in object oriented programming</li>
<li>
<span class="activity">Theoretic foundations of computing science</span>
<br/> 1st year (DEUG MIAS). Boolean algebras (formal approach)</li>
<li>
<span class="activity">Information structuring languages</span>
<br/> 3rd year (IUP 2). XML, XHTML, ...</li>
<li>
<span class="activity">Structure of Computers</span>
<br/> 2nd year (IUP 1). Boolean algebra, logic circuits, functioning of a simple computer.</li>
</ul>
</td>
</tr>
<tr>
<td class="date">
<span class="date">1999 - 2000 </span>
</td>
<td class="mytd">
<span class="activity">Tutor in computing science</span>
<br/> Teaching at the Technische Universität Berlin:
<ul>
<li>
<span class="activity">Functional programming</span>
<br/> 1st year. Programming in the functional language Opal</li>
<li>
<span class="activity">Hardware</span>
<br/> 1st year. From elementary electronic circuits to a "von Neumann"-computer, binary boolean algebra</li>
<li>
<span class="activity">Algorithms</span>
<br/> 1st year. Algorithms in Java</li>
</ul>
</td>
</tr>
</table>
</div>
</div>
<div class="nobreak">
<div class="sec">Computing skills</div>
<ul>
<li>
<span class="activity">Programming Languages: </span>Java, Python, C/C++, Perl, Opal, Pascal, Modula, Eiffel, Prolog, ...</li>
<li>
<span class="activity">Automatic classification and learning tools: </span>gaia (MTG), WEKA, Mahout, D2K/M2K,
SVM <span class="it">light</span>, CAL5, ...</li>
<li>
<span class="activity">Document retrieval systems: </span>Lucene/Solr, LIA's probabilistic system (Okapi based)</li>
<li>
<span class="activity">Natural Language Processing: </span>UIMA, NLTK, OpenNLP, ...</li>
<li>
<span class="activity">Software development methods: </span>object modeling (UML), design patterns, functional programming, ... </li>
<li>
<span class="activity">Database systems: </span>MongoDB, Oracle, MySQL, ...</li>
<li>
<span class="activity">Operating systems: </span>Unix/Linux, MacOS, TOS, Windows, ...</li>
<li>
<span class="activity">Office tools: </span>LateX, OpenOffice, AppleWorks, ...</li>
</ul>
</div>
<div class="nobreak">
<div class="sec">Languages</div>
<ul>
<li>
<span class="activity">German: </span>native</li>
<li>
<span class="activity">French: </span>native</li>
<li>
<span class="activity">English: </span>excellent (read, written, spoken)</li>
<li>
<span class="activity">Spanish: </span>excellent (read, written, spoken)</li>
<li>
<span class="activity">Catalan: </span>fluent (read, listening), basic (spoken, written)</li>
<li>
<span class="activity">Portuguese (brasilian): </span>advanced (read), basic (spoken, written)</li>
</ul>
</div>
</td>
</tr>
<tr>
<td>
<br>
<hr>
<br>
</td>
</tr>
</table>
<!-- list of publications -->
<p>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td align="left">
<div class="sec">International journals (peer reviewed)</div>
</td>
</tr>
</table>
</p>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b> Vasileios-Rafail Xefteris, Monica Dominguez, Jens Grivolla, Athina Tsanousa, Francesco Zaffanela, Martina Monego, Spyridon Symeonidis, Sotiris Diplaris, Leo Wanner, Stefanos Vrochidis, Ioannis Kompatsiaris</b>,
<a href="https://www.mdpi.com/2079-9292/12/23/4871" target="_blank">A Multimodal Late Fusion Framework for Physiological Sensor and Audio-Signal-Based Stress Detection: An Experimental Study and Public Dataset</a>,
2014
</td>
</tr>
<tr>
<td valign="top">Electronics 2023, 12(23), 4871; Special Issue Future Trends of Artificial Intelligence (AI) and Big Data; https://doi.org/10.3390/electronics12234871</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b> Spyridon Symeonidis, Stamatios Samaras, Christos Stentoumis, Alexander Plaum, Maria Pacelli, Jens Grivolla, Yash Shekhawat, Michele Ferri, Sotiris Diplaris, Stefanos Vrochidis</b>,
<a href="https://www.mdpi.com/2079-9292/12/12/2569" target="_blank">An Extended Reality System for Situation Awareness in Flood Management and Media Production Planning</a>,
2014
</td>
</tr>
<tr>
<td valign="top">Electronics 2023, 12(12), 2569; Special Issue Emerging Immersive Learning Technologies: Augmented and Virtual Reality; https://doi.org/10.3390/electronics12122569</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b> Marta R. Costa-jussà, Jens Grivolla, Bart Mellebeek, Francesc Benavent, Joan Codina, Rafael E. Banchs</b>,
<a href="http://www.sciencedirect.com/science/article/pii/S0020025514000796" target="_blank">Using annotations on Mechanical Turk to perform supervised polarity classification of Spanish customer comments</a>,
2014
</td>
</tr>
<tr>
<td valign="top">Information Sciences, Volume 275, 10 August 2014, Pages 400–412</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Andreas Kaltenbrunner, Rodrigo Meza, Jens Grivolla, Joan Codina, Rafael Banchs</b>,
<a href="http://www.sciencedirect.com/science/article/pii/S1574119210000568" target="_blank">Urban cycles and mobility patterns: Exploring and predicting trends in a bicycle-based public transport system</a>,
2010
</td>
</tr>
<tr>
<td valign="top">Pervasive and Mobile Computing 6 (4), 455-466</td>
</tr>
</table>
<p>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td align="left">
<div class="sec">International conferences (peer reviewed)</div>
</td>
</tr>
</table>
</p>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Simon Mille, Gerard Casamayor, Jens Grivolla, Alexander V Shvets, Leo Wanner</b>,
<a href="">
Automatic Multilingual Incident Report Generation for Crisis Management
</a>, 2022
</td>
</tr>
<tr>
<td valign="top">
ISCRAM 2022</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Leo Wanner, Matthias Klusch, Athanasios Mavropoulos, Emmanuel Jamin, Víctor Marín Puchades, Gerard Casamayor, Jan Černocký, Steffi Davey, Mónica Domínguez, Ekaterina Egorova, Jens Grivolla, Gloria Elena Jaramillo Rojas, Anastasios Karakostas, Dimos Ntioudis, Pavel Pecina, Oleksandr Sobko, Stefanos Vrochidis, Lena Wertmann</b>,
<a href="https://dl.acm.org/doi/abs/10.1007/978-3-030-85739-4_26">
Towards a Versatile Intelligent Conversational Agent as Personal Assistant for Migrants
</a>, 2021
</td>
</tr>
<tr>
<td valign="top">
Advances in Practical Applications of Agents, Multi-Agent Systems, and Social Good. PAAMS 2021, Salamanca, Spain</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Joan Codina-Filbà, Guillermo Cámbara, Alex Peiró-Lilja, Jens Grivolla, Roberto Carlini, Mireia Farrús</b>,
<a href="https://drive.google.com/file/d/1J2r5-E04FpMaoCZAmgczVsc-hqvf1dMN/view">
The INGENIOUS Multilingual Operations App
</a>, 2021
</td>
</tr>
<tr>
<td valign="top">
Proceedings of Interspeech 2021</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Simon Mille, Spyridon Symeonidis, Maria Rousi, Montserrat Marimon Felipe, Klearchos Stavrothanasopoulos, Petros Alvanitopoulos, Roberto Carlini Salguero, Jens Grivolla, Georgios Meditskos, Stefanos Vrochidis, Leo Wanner</b>,
<a href="https://aclanthology.org/2020.webnlg-1.1/">
A case study of NLG from multimedia data sources: Generating architectural landmark descriptions
</a>, 2020
</td>
</tr>
<tr>
<td valign="top">
Proceedings of the 3rd International Workshop on Natural Language Generation from the Semantic Web (WebNLG+)</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Jens Grivolla, Yannick Estève, Eelco Herder, Nam Le, Kay Macquarrie, Raúl Marín, Sylvain Meignier, Maite Melero, Jean-Marc Odobez, Susanne Preuß</b>,
<a href="https://ceur-ws.org/Vol-1801/paper2.pdf">
The EUMSSI Project -- Event Understanding through Multimodal Social Stream Interpretation</a>, 2016
</td>
</tr>
<tr>
<td valign="top">
MMDA @ ECAI 2016</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Jens Grivolla, Maite Melero, Toni Badia</b>,
<a href="https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=ee3eee4dbd4d13b09c1f9ab74b390f9b1cb765ed">EUMSSI: Multilayered Analysis of Multimedia Content Using UIMA, MongoDB and Solr</a>, 2016
</td>
</tr>
<tr>
<td valign="top">
MMDA @ ECAI 2016</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Nancy Ide, Jens Grivolla (eds.)</b>,
<a href="">Proceedings of the Workshop on Open Infrastructures and Analysis Frameworks for HLT</a>, 2014
</td>
</tr>
<tr>
<td valign="top">
Proceedings of COLING 2014</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Nancy Ide, Jens Grivolla (eds.)</b>,
<a href="">Proceedings of the Workshop on Open Infrastructures and Analysis Frameworks for HLT</a>, 2014
</td>
</tr>
<tr>
<td valign="top">
Proceedings of COLING 2014</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Grivolla, J., Melero, M., Badia, T., Cabulea, C., Welle, D., Esteve, Y., Le Mans, F., Herder, E., Odobez, J.M., Preuß, S.</b>,
<a href="">EUMSSI: a Platform for Multimodal Analysis and Recommendation using UIMA</a>, 2014
</td>
</tr>
<tr>
<td valign="top">
Proceedings of COLING 2014</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Jens Grivolla, Toni Badia, Darren Campo, Miquel Sonsona, Jose-Miguel Pulido</b>,
<a href="">A hybrid recommender combining user, item and interaction data</a>, 2014
</td>
</tr>
<tr>
<td valign="top">
Proceedings of the International Conference on Computational Science and Computational Intelligence (CSCI), 2014</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Carlos Rodrıguez-Penagos, David Garcıa Narbona, Guillem Massó Sanabre, Jens Grivolla, Joan Codina Filbá</b>,
<a href="">Sentiment Analysis and Visualization using UIMA and Solr</a>, 2013
</td>
</tr>
<tr>
<td valign="top">
Proceedings of GSCL 2013, Workshop on Unstructured Information Management Architecture (UIMA)</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>C. Rodríguez-Penagos, J. Atserias, J. Codina-Filbà, D. García-Narbona, J. Grivolla, P. Lambert, R. Saurí</b>,
<a href="http://aclweb.org/anthology/S/S13/S13-2080.pdf">FBM: Combining lexicon-based ML and heuristics for Social Media Polarities</a>, 2013
</td>
</tr>
<tr>
<td valign="top">
Proceedings of SemEval-2013 (ACL-SIGLEX), Workshop on Sentiment Analysis in Twitter, Atlanta, Ga., 2013</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>C. Rodríguez-Penagos, J Grivolla and J. Codina</b>,
<a href="http://www-lium.univ-lemans.fr/credislas2012/26.Credislas-Proceedings.pdf#page=28">Projecting Opinion Mining resources across languages and genres</a>, 2012
</td>
</tr>
<tr>
<td valign="top">
Workshop on Creating Cross-language Resources for Disconnected Languages and Styles. Language Resources and Evaluation Conference, Istambul , 2012</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Carlos Rodríguez-Penagos, Jens Grivolla, Joan Codina Filbá</b>,
<a href="http://aclweb.org/anthology-new/W/W12/W12-06.pdf#page=58" target="_blank">A hybrid framework for scalable Opinion Mining in Social Media: detecting polarities and attitude targets</a>, 2012
</td>
</tr>
<tr>
<td valign="top">
EACL 2012, Avignon/France</td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>Marta Ruiz Costa-Jussà, Rafael E. Banchs, Jens Grivolla, and Joan Codina</b>, <a href="http://clef2010.org/resources/proceedings/clef2010labs_submission_11.pdf" target="_blank">Plagiarism Detection Using Information Retrieval and Similarity Measures Based on Image Processing Techniques</a>,
2010
</td>
</tr>
<tr>
<td valign="top">
Lab Report for PAN at CLEF 2010.</td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>Bart Mellebeek, Francesc Benavent, Jens Grivolla, Joan Codina, Marta R Costa-Jussa, Rafael Banchs</b>, <a href="http://dl.acm.org/citation.cfm?id=1866714" target="_blank">Opinion mining of spanish customer comments with non-expert annotations on mechanical turk</a>,
2010
</td>
</tr>
<tr>
<td valign="top">
Proceedings of the NAACL HLT 2010 Workshop on Creating Speech and Language Data with Amazon's Mechanical Turk</td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>Cyril Laurier, Jens Grivolla, Perfecto Herrera</b>, <a href="articles/icmla2008.pdf" target="_blank">Multimodal Music Mood Classification using Audio and Lyrics</a>, 2008
</td>
</tr>
<tr>
<td valign="top">
ICMLA 2008, Special Session on Multimedia Information Retrieval, San Diego/USA </td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>Jens Grivolla</b>, <a href="articles/sigir2005-oracle.pdf" target="_blank">Using Oracle for Natural Language Document Retrieval -- An Automatic Query Reformulation Approach</a>, 2005
</td>
</tr>
<tr>
<td valign="top">
Proceedings of SIGIR 2005 (poster), Salvador/Brasil </td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>Jens Grivolla, Pierre Jourlin, Renato de Mori</b>, <a href="articles/sigir2005-qp.pdf" target="_blank">Automatic Classification of Queries by Expected Retrieval Performance</a>, 2005
</td>
</tr>
<tr>
<td valign="top">
Proceedings of SIGIR 2005, "Predicting Query Difficulty" Workshop, Salvador/Brasil </td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>K. Lavenus, J. Grivolla, L. Gillard, P. Bellot</b>, <a href="articles/riao2004.pdf" target="_blank">Question-answer matching: two complementary methods</a>, 2004
</td>
</tr>
<tr>
<td valign="top">
Proceedings of the 7th RIAO conference, Avignon/France, p. 244 - 259 </td>
</tr>
</table>
<p>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td align="left">
<div class="sec">Francophonic conferences (peer reviewed)</div>
</td>
</tr>
</table>
</p>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Laurianne Sitbon, Jens Grivolla, Laurent Gillard, Patrice Bellot, Philippe Blache</b>, <a href="articles/taln2006.pdf" target="_blank">Vers une prédiction automatique de la difficulté d'une question en langue naturelle</a>, 2006
</td>
</tr>
<tr>
<td valign="top">
Proceedings of TALN 2006, Leuven/Belgium </td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>Jens Grivolla</b>, <a href="articles/coria2005.pdf" target="_blank">Une méthode pour la prédiction de la "difficulté" d'une requête</a>, 2005
</td>
</tr>
<tr>
<td valign="top">
Proceedings of CORIA 2005, Grenoble/France </td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>Jens Grivolla</b>, <a href="articles/recital2004.pdf" target="_blank">Méthodes statistiques et apprentissage automatique pour l'évaluation de requêtes en recherche documentaire</a>, 2004
</td>
</tr>
<tr>
<td valign="top">
Proceedings of Récital 2004, Fès/Morocco </td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>K. Lavenus, J. Grivolla, L. Gillard, P. Bellot</b>, <a href="articles/taln2004.pdf" target="_blank">Deux pistes complémentaires pour améliorer l'appariement Question Réponse</a>, 2004
</td>
</tr>
<tr>
<td valign="top">
Proceedings of the "Question Answering" workshop at TALN 2004, Fès/Morocco </td>
</tr>
</table>
<p>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td align="left">
<div class="sec">Other publications</div>
</td>
</tr>
</table>
</p>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Jens Grivolla, Maite Melero, Yannick Estève, Eelco Herder, Peggy van der Kreeft, Raúl Marín, Jean-Marc Odobez, Susanne Preuß</b>,
<a href="">The EUMSSI Platform for Multimodal Analysis and Annotation (DEMO)</a>, 2015
</td>
</tr>
<tr>
<td valign="top">The First International Conference on Big Data, Small Data, Linked Data and Open Data, 2015</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Codina, J.; Grivolla, J.; Kaltenbrunner, A.; Banchs, R.E.; Baeza-Yates, R.</b> (Editors),
<a href="http://www2009.eprints.org/255/">Proceedings of the First Workshop on Content Analysis in the Web 2.0 (CAW2)</a>, 2009
</td>
</tr>
<tr>
<td valign="top">18th International World Wide Web Conference, Madrid, 2009</td>
</tr>
</table>
<br/>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<b>Andreas Kaltenbrunner, Rodrigo Meza, Jens Grivolla, Joan Codina, Rafael Banchs</b>, <a href="http://arxiv.org/abs/0810.4187" target="_blank">Bicycle cycles and mobility patterns-Exploring and characterizing data from a community bicycle program</a>,
2008
</td>
</tr>
<tr>
<td valign="top">
Arxiv preprint arXiv:0810.4187</td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>Carlos A. Iglesias, Francesco Spadoni, Jens Grivolla, Joachim Neumann</b>, <a href="articles/axmedis2007.pdf" target="_blank">Collaborative and Semantic Enrichment of Musical Libraries in VARIAZIONI project</a>, 2007
</td>
</tr>
<tr>
<td valign="top">
"Variazioni" workshop at the Axmedis 2007 conference, Barcelona/Spain </td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>Jens Grivolla</b>, <a href="articles/phdthesis.pdf" target="_blank">Apprentissage et Décision Automatique en Recherche Documentaire: prédiction de difficulté de requêtes et sélection de modèle de recherche</a>, 2006
</td>
</tr>
<tr>
<td valign="top">
PhD Thesis, Avignon/France </td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>Karine Lavenus, Jens Grivolla</b>, <a href="articles/atala2003.pdf" target="_blank">Systèmes de question/réponse : Approches linguistiques et statistiques pour l'évaluation de requêtes</a>, 2003
</td>
</tr>
<tr>
<td valign="top">
Atelier Question/Réponse de l'Atala (question answering workshop), Paris/France </td>
</tr>
</table>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td valign="top">
<br/><b>Jens Grivolla</b>, <a href="articles/dea.pdf" target="_blank">Évaluation et Prédiction des Difficultés de Requêtes dans la Recherche Documentaire pour l'Optimisation de Systèmes Interactifs</a>, 2001
</td>
</tr>
<tr>
<td valign="top">
Mémoire de DEA (Master's Thesis), Marseille/France </td>
</tr>
</table>
<p>
<table width="650" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td align="left">