Ansatte – Københavns Universitet

Christina Lioma

Christina Lioma

Lektor

  • Image-Gruppen

    Universitetsparken 5, 2100 København Ø

    Mobil: +45 21 55 47 31

Medlem af:

 

Information Retrieval Lab webpage

Google Scholar Webpage

 

Primære forskningsområder

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

Undervisnings- og vejledningsområder

  • 2018 "Web Science" (master level)
  • 2017 "Programming and Problem Solving/Programmering og Problemløsning" (bachelor level)
  • 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

  • 2017- Dongsheng Wang (with Jakob Grue Simonsen)
  • 2016-2018 Sisi Gui (with Wei Lu)
  • 2016- Niklas Hjuler (with Stephen Alstrup)
  • 2014-2018 Niels Dalum Hansen (with Ingemar Cox)
  • 2014-2018 Brian Brost (with Ingemar Cox)
  • 2013-2017 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

  • 2018 Jiri Brazdil "Semantic Representation of Food Ingredients in Recipes" (with Jakob Grue Simonsen)
  • 2017 Zar Goertzel "Offer Networks Simulation and Dynamics" (with Christian Wulff-Nilsen)
  • 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 41st International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2018)
  • 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 of the ACM Transactions on Information Systems (TOIS) 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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