Andrej Košir

Prof. dr. Andrej Košir, head of LUCAMI group


AndrejKosirOnWeb03_F 
Location Room BN409, building B, floor 4.
Phone +386 1 4768 354
Mobile +386 41 484 232
E-mail andrej.kosir[at]fe.uni-lj.si
Skype akosir_sid

Biography

Andrej Košir, PhD, b.s.c math is a full professor at the Faculty of Electrical Engineering, University of Ljubljana. He is active in a broad research fields including: user modeling and personalization (user models, recommender systems), user interfaces (machine learning method design, statistical analysis), visual data analysis for nonintrusive user data acquisition, optimization (numerical optimization, genetic algorithm), operations research in telecommunication (optimization of TK systems), signal processing (system modeling, statistical signal modeling), image and video processing (object recognition, age and sex recognition), social signal processing and statistical analysis of datasets and experiment design.

Research

User-adapted communicatons, user modeling, context-aware recommender systems, social networks, statistical signal processing, optimization of communication systems.

Teaching, courses

Professor at the Faculty of Electrical Engineering. Current courses:

Operations research in telecommunications (E, 2.st)
Digital image and video processing (E, 2.st)
Continuous time signals and systems (E, 1.st un)
Circuits and signals in power engineering (E, 2.st)
Electromagnetic wave propagation (E, 2.st)
Operations research in telecommunications (E, 3.st)

Selected Publications

Journals

  1. Uroš DROFTINA, Mitja ŠTULAR, Andrej KOŠIR. Predicting Influential Mobile-Subscriber Churners using Low-level User Features, Automatica, Journal for Control, Measurement, Electronics, Computing and Communications, vol. 56, no. 4, str. 522-534, ISSN 0005-1144, printed ed, 2015.
  2. PESKO, Marko, JAVORNIK, Tomaž, VIDMAR, Luka, KOŠIR, Andrej, ŠTULAR, Mitja, MOHORČIČ, Mihael. The indirect self-tuning method for constructing radio environment map using omnidirectional or directional transmitter antenna. EURASIP Journal on wireless communications and networking, ISSN 1687-1499,  2015.
  3. DROFTINA, Uroš, ŠTULAR, Mitja, KOŠIR, Andrej. A diffusion model for churn prediction based on sociometric theory. Advances in data analysis and classification, ISSN 1862-5355, 2014, 25 str., doi: 10.1007/s11634-014-0188-0.
  4. VODLAN, Tomaž, KOŠIR, Andrej. Using social signal of hesitation in multimedia content retrieval : Graphical analysis of selection traces in the matrix-factorization space of multimedia items. International journal of advanced computer science & applications, ISSN 2156-5570, 2014, vol. 5, no. 9, str. 52-59.
  5. VODLAN, Tomaž, TKALČIČ, Marko, KOŠIR, Andrej. The impact of hesitation, a social signal, on a user’s quality of experience in multimedia content retrieval. Multimedia tools and applications, ISSN 1380-7501, 2014, vol. , no. , str. 1-26.
  6. PESKO, Marko, JAVORNIK, Tomaž, KOŠIR, Andrej, ŠTULAR, Mitja, MOHORČIČ, Mihael. Radio environment maps : the the survey of construction methods. Transactions on internet and information systems, ISSN 1976-7277, 2014, vol. 8, no. 11, str. 3789-3809.
  7. TKALČIČ, Marko, ODIĆ, Ante, KOŠIR, Andrej. The impact of weak ground truth and facial expressiveness on affect detection accuracy from time-continuous videos of facial expressions. Inf. sci.. [Print ed.], 2013, vol. , no. , str. 1-8, ilustr.
  8. TKALČIČ, Marko, ODIĆ, Ante, KOŠIR, Andrej, TASIČ, Jurij F. Affective labeling in a content-based recommender system for images. IEEE trans. multimedia. [Print ed.], Feb. 2013, vol. 15, no. 2, str. 391-400, ilustr
  9. ODIĆ, Ante, TKALČIČ, Marko, TASIČ, Jurij F., KOŠIR, Andrej. Predicting and detecting the relevant contextual information in a movie-recommender system. Interact. comput.. [Print ed.], 2013, vol. 25, no. 1, str. 74-90, ilustr.
  10. PERKON, Igor, KOŠIR, Andrej, ITSKOV, Pavel M., TASIČ, Jurij F., DIAMOND, Mathew. Unsupervised quantification of whisking and head movement in freely moving rodents. Journal of neurophysiology, Apr. 2011, vol. 105, no. 4, str. 1950-1962, ilustr.
  11. KOVAČ, Uroš, KOŠIR, Andrej. Fast estimation of the non-stationary amplitude of a harmonically distorted signal using a Kalman filter. Metrol. Syst. Pomiarowe, 2013, vol. 20, no. 1, str. 27-42, ilustr.
  12. JEŽ, Mojca, BAS, Tuba, VEBER, Matija, KOŠIR, Andrej, DOMINKO, Tanja, PAGE, Raymond L., ROŽMAN, Primož. The hazards of DAPI photoconversion : effects of dye, mounting media and fixative, and how to minimize the problem. Histochemistry and cell biology, 2013, vol. 139, iss. 1, str. 195-204, ilustr., doi: 10.1007/s00418-012-1039-8.
  13. MILENKOVIĆ, Jana, HERTL, Kristijana, KOŠIR, Andrej, ŽIBERT, Janez, TASIČ, Jurij F. Characterization of spatiotemporal changes for the classification of dynamic contrast-enhanced magnetic-resonance breast lesions. Artif. intell. med.. [Print ed.], 2013, iss. 2, vol. 58, str. 101-114.

Books, book chapters

  1. TKALČIČ, Marko, TASIČ, Jurij F., KOŠIR, Andrej. The need for affective metadata in content-based recommender systems for images. V: MAYBURY, Mark T. (ur.). Multimedia information extraction : advances in video, audio, and imagery analysis for search, data mining, surveillance, and authoring. Los Alamitos: IEEE Computer Society; Hoboken: Wiley, cop. 2012, pp. 305-319.
  2. TKALČIČ, Marko, ODIĆ, Ante, TASIČ, Jurij F., KOŠIR, Andrej. Impact of Implicit and Explicit Affective Labeling on a Recommender System’s Performance, Advances in User Modeling: selected papers from UMAP 2011 workshops. Lecture Notes in Computer Science 7138, pp. 342–354, 2012.

Conferences

  1. VODLAN, Tomaž, KOŠIR, Andrej. Does the use of the social signal of hesitation in the recommender system improves the quality of experience when the user interacts with a video-on-demand system. V: Multi Conference on Computer Science and Information Systems, 15-19 July 2014
  2. TKALČIČ, Marko, FERWERDA, Bruce, SCHEDL, Markus, LIEM, Cynthia, MELENHORST, Mark, ODIĆ, Ante, KOŠIR, Andrej. Using social media mining for estimating theory of planned behaviour parameters. V: UMAP 2014. CANTADOR, Iván (ur.). UMAP 2014 extended proceedings : posters, demos, late-breaking results and workshop proceedings of the 22nd Conference on User Modeling, Adaptation, and Personalization, Aalborg, Denmark, July 7-11, 2014
  3. KOŠIR, Andrej, ODIĆ, Ante, TKALČIČ, Marko, SVETINA, Matija. Human decisions in user modeling : motivation, procedure and example application. V: UMAP 2014. CANTADOR, Iván (ur.). UMAP 2014 extended proceedings : posters, demos, late-breaking results and workshop proceedings of the 22nd Conference on User Modeling, Adaptation, and Personalization, Aalborg, Denmark, July 7-11, 2014
  4. KUNAVER, Matevž, DOBRAVEC, Štefan, POŽRL, Tomaž, KOŠIR, Andrej. Increasing Top-20 search results diversity through recommendation post-processing. V: UMAP 2014. CANTADOR, Iván (ur.). UMAP 2014 extended proceedings : posters, demos, late-breaking results and workshop proceedings of the 22nd Conference on User Modeling, Adaptation, and Personalization, Aalborg, Denmark, July 7-11, 2014
  5. MRAVLJAK, Marija, PAJEK, Jernej, KOVAČ, Damjan, VIZJAK, Alenka, FERLUGA, Dušan, ALEŠ, Andreja, KVEDER, Radoslav, ŠKOBERNE, Andrej, VEČERIĆ-HALER, Željka, KOŠIR, Andrej, BREN, Andrej, LINDIČ, Jelka. Vrsta proteinurije kot napovednik uspešnosti zdravljenja bolnikov s sistemskim ANCA vaskulitisom s pulzi cikofosfamida = Type of proteinuria as predictor of successful treatment with cyclophosphamide pulse therapy in patients with systemic anca vasculitis. V: EKART, Robert (ur.). 2014.
  6. KOŠIR, Andrej, ODIĆ, Ante, TKALČIČ, Marko. How to improve the statistical power of the 10-fold cross validation scheme in Recommender Systems, RecSys 2013.
  7. ODIĆ, Ante, TKALČIČ, Marko, KOŠIR, Andrej. Managing Irrelevant Contextual Categories in a Movie Recommender System, RecSys 2013.
  8. DROFTINA, Uroš, KOŠIR, Andrej. Customer churn prediction : integration of sociometric theory of cliques into a diffusion model. V: Third Conference on the Analysis of Mobile Phone Datasets, NetMob 2013, May 1-3, 2013, MIT, Massachusetts. Cambridge (Massachusetts): MIT Media Lab, 2013, str. 171-173.
  9. ODIĆ, Ante, TKALČIČ, Marko, TASIČ, Jurij F., KOŠIR, Andrej. Personality and social context: impact on emotion induction from movies. V: BERKOVSKY, Shlomo (ur.). UMAP 2013. UMAP 2013 extended proceedings : late-breaking results, project papers and workshop proceedings of the 21st Conference on User Modeling, Adaptation, and Personalization, Rome, Italy, June 10-14, 2013
  10. ODIĆ, Ante, TKALČIČ, Marko, TASIČ, Jurij F., KOŠIR, Andrej. Relevant context in a movie recommender system : users’ opinion vs. statistical detection. V: ADOMAVICIUS, Gediminas (ur.). Prodeedings of the 4th Workshop on Context-Aware Recommender Systems 2012 in conjunction with the 6th ACM Conference on Recommender Systems (RecSys 2012) : Dublin, Ireland, September 9, 2012
  11. TKALČIČ, Marko, KOŠIR, Andrej, TASIČ, Jurij F. Affective recommender systems : the role of emotions in recommender systems. V: FELFERNIG, Alexander (ur.), CHEN, Li (ur.), MANDL, Monika (ur.). Proceedings of the RecSys 2011 Workshop on Human Decision Making in Recommender Systems (Decisions@RecSys’11) : affiliated with the 5th ACM Conference on Recommender Systems, October 27th, 2011, Chicago, IL, USA.
  12. VODLAN, Tomaž, TKALČIČ, Marko, KOŠIR, Andrej. The role of social signals in telecommunication : experimental design. V: BERKOVSKY, Shlomo (ur.). UMAP 2013. UMAP 2013 extended proceedings : late-breaking results, project papers and workshop proceedings of the 21st Conference on User Modeling, Adaptation, and Personalization, Rome, Italy, June 10-14, 2013, (CEUR workshop proceedings, vol. 997). [S. l.]: CEUR-WS, 2013, str. 1-12, ilustr.
  13. PERKON, Igor, KOŠIR, Andrej, TASIČ, Jurij F., DIAMOND, Mathew. Whisker detection as a shortest path problem. V: Visual observation and analysis of animal and insect behavior : a one day workshop to be held in conjunction with the 20th International Conference on Pattern Recognition (ICPR 2010), Istanbul, Turkey, August 22, 2010

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