Staff – University of Copenhagen

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Department of Computer Science DIKU > Staff

Christina Lioma

Christina Lioma

Associate Professor

  • Department of Computer Science

    Universitetsparken 5

    2100 København Ø

Member of:

Personal webpage

Information Retrieval Lab webpage

Primary fields of research

  • Information Retrieval (search engines), Data Science (data/web mining), Text Analytics
  • Applied Machine Learning, Natural Language Processing, Computational Linguistics, Recommender Systems

Teaching

    • 2017 "Web Science" (master level)
    • 2017 "Information Retrieval" (master level)
    • 2016 "Programming and Problem Solving/Programmering og Problemløsning" (bachelor level)
    • 2016 "Big Data - Tools and Methods" (summer school)
    • 2016 "Web Science" (master level)
    • 2016 "Information Retrieval" (master level)
    • 2015 "Programming and Problem Solving/Programmering og Problemløsning" (bachelor level)
    • 2015 "Information Retrieval" (master level)
    • 2014 "Bachelor Project in Computer Science"
    • 2014 "Information Retrieval" (master level)
    • 2014 "Introduction to Computer Science/Grundlæggende Datalogi" (bachelor level)
    • 2013 "Information Retrieval and Interaction" (master level)
    • 2013 "Introduction to Computer Science/Grundlæggende Datalogi" (bachelor level)
    • 2012 "Introduction to Computer Science/Grundlæggende Datalogi" (bachelor level)
    • 2010 "Introduction to Information Retrieval" (master level) - University of Stuttgart
    • 2009 "Information Retrieval" (Ph.D. level) - University of Konstanz
    • 2009 "Computational Linguistics" (bachelor level) - University of Konstanz
    • 2009 "Machine Language Processing" (master level) - University of Konstanz
    • 2009 "Perl Programming" - University of Konstanz

     

    Supervision

    PhD students

    • 2016- Sisi Gui (with Wei Lu)
    • 2016- Niklas Hjuler (with Stephen Alstrup)
    • 2014- Niels Dalum Hansen (with Ingemar Cox)
    • 2014- Brian Brost (with Ingemar Cox)
    • 2013- Casper Petersen (with Jakob Grue Simonsen)
    • 2011 Alok Kothari (with Hinrich Schütze at the University of Stuttgart)
    • 2010 Charles Jochim (with Hinrich Schütze at the University of Stuttgart)

     

    MSc theses

    • 2016 Marco Johns "Investigating Skip-grams for Language Model Ranking in Information Retrieval" (with Jakob Grue Simonsen)
    • 2016 Jens Dahl Møllerhøj "Semi Supervised Extraction of Skills from Danish Job Postings using Bootstrapping"
    • 2014 Peter Hillebrandt Poulsen and Martin Holst Erichsen "A Hybrid Wrapper Generator for Extracting Structured Web Content" (with Jakob Grue Simonsen)
    • 2014 Shuhab Hussain and Irfan Ullah Siddiqui "Video Recommender System for Digital Learning" (with Stephen Alstrup)
    • 2014 Ashwini Joshi "Information Retrieval Ranking Model Using Suffix Tree Data Structures" (with Ingemar Cox and Pawel Winter)
    • 2014 Niels Dalum Hansen "Inference of Sentiment and Topic in Hotel Reviews"
    • 2013 Justinas Murzinas "Plagiarism Detection in Technical Domains Using Machine Learning" (with Stephen Alstrup)
    • 2013 Daniel Mørch Andersen "Application and Evaluation of a Recommender System Based on Implicit Data in an E-Commerce Scenario" (with Toine Bogers)
    • 2013 Casper Andersen & Daniel Christensen "User Logs for Query Disambiguation" 
    • 2012 Youhui Shi "Information Retrieval and Sentiment Analysis for Scientific Literature"
    • 2011 Radu Dragusin & Paula Petcu "A Vertical Search Engine Supporting Diagnosis of Rare Diseases" (with Ole Winther)
    • 2009 Javier Arias Moreno "Search Engine Optimisation and Dataset Builder" (with Marie-Francine Moens at Katholieke Universiteit Leuven) 
    • 2009 Yue Xin "Classifying Music without Hearing it" (with Marie-Francine Moens at Katholieke Universiteit Leuven)

     

    MSc projects/theses

    • 2016 Andrew Parli "Using Skip-Grams to Improve Search Ranking"
    • 2013 Niels Dalum Hansen "Authorial Fingerprinting Based on Essays by High School Students" (with Stephen Alstrup)

     

    BSc students

    • 2015 Andrew Parli "Virksomhedsprojekt Hos MaCom" - Industry Project
    • 2014 Mads Hansen and Simon Outzen "Mining Web Data Streams to Infer Political Orientation" (with Ingemar Cox)
    • 2013 Kristian Holm "Virksomhedsprojekt Hos MaCom" (with Stephen Alstrup) - Industry Project 
    • 2013 Ahmed Al Aqtash, Emil A. Johanson, Martin Jørgensen, Nicolai Willems "Managing Hand-in across Low Bandwidth" (with Stephen Alstrup) - Industry Project

     

    Organisation

    • Senior program committee member of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2017)
    • Program co-chair for short papers for the 2017 ACM SIGIR International Conference on the Theory of Information Retrieval (ICTIR 2017)
    • Associate Editor for the Journal of Information Processing & Management (IPM) 2016-
    • Associate Editor for the Journal of the Association for Information Science and Technology (JASIST) 2016-
    • Senior program committee member of the 25th ACM International Conference on Information and Knowledge Management (CIKM) 
    • Tutorials co-chair of the 2016 38th European Conference on Information Retrieval (ECIR 2016)
    • Student mentor of the 2015 37th European Conference on Information Retrieval (ECIR 2015)
    • Co-organiser of the 2014 IEEE Big Data Workshop on Challenges & Issues on Scholarly Big Data Discovery and Collaboration (SBD 2014), in conjunction with IEEE Big Data Conference: http://crystal.exp.sis.pitt.edu/SBD14/
    • Doctoral consortium mentor of the 2014 Information Interaction in Context Conference (IIiX 2014)
    • General co-chair of the 2013 International Conference on the Theory of Information Retrieval in co-operation with ACM: http://www.ictir2013.org/
    • Co-organiser of the 2013 IEEE Big Data Workshop on Scholarly Big Data: Challenges and Ideas (SBD 2013), in conjunction with IEEE Big Data Conference: http://itlab.dbit.dk/~sbd2013/
    • Doctoral consortium mentor of the 2012 Information Interaction in Context Conference (IIiX 2012)
    • Co-organiser of the 2012 Workshop on Task-Based and Aggregated Search (TBAS 2012), in conjunction with the European Conference on Information Retrieval (ECIR): http://itlab.dbit.dk/~tbas2012/

    Research Funding

    • 2017 - 2021 "Quantum Information Access and Retrieval Theory (QUARTZ)", EU Horizon 2020 Marie Sklodowska-Curie Innovative Training Network
    • 2016 "BtB monitoreringsværktøj til at overvåge branddialogen på Snapchat - en opsamling og semantisk analyse af billeder og video", Danmarks Innovationsfond, InnoBooster
    • 2016 - 2020 "DAnish Center for Big Data Analytics and Innovation (DABAI)", Danmarks Innovationsfond, Societal Partnerships
    • 2015 - 2018 "Industrial Data Analysis Service (IDAS)", Industriensfond
    • 2014 - 2017 "Computational Epidemiology for Infectious Disease Surveillance and Vaccine Effectiveness", Danmarks Innovationsfond, Industrial PhD
    • 2012 - 2014, FREJA Research Excellence Fellowship, University of Copenhagen

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