Narayanan Unny E


I have now moved to Xerox Research Centre India.

Contact
Narayanan Unny Edakunni, PhD

Room 2.08, Merchant Venturers Building, 
University of Bristol,
Woodlands Road,
Bristol BS8 1UB.

Email : nara@cs.bris.ac.uk
Tel:
Internal:45639

Research interests
I am interested in different aspects of machine learning with emphasis on probabilistic viewpoint to machine learning. In specific I am interested in the ensemble way of learning and the various questions that it throws up.

PhD Thesis
Bayesian locally weighted online learning

Software
Matlab implementation of UCS
Matlab implementation of MOE based rule learner (batch mode)

Publications

  • Beyond Fano's Inequality: Bounds on the Optimal F-Score, BER, and Cost-Sensitive Risk and Their Implications.
    Ming-Jie Zhao, Narayanan Edakunni, Adam Pocock, Gavin Brown. JMLR, 2013.
    abstract pdf

  • Boosting as a Product of Experts.
    Narayanan U Edakunni, Gavin Brown, Tim Kovacs. UAI, July, 2011.
    abstract pdf

  • Online, GA based Mixture of Experts : a Probabilistic Model of UCS.
    Narayanan U Edakunni, Gavin Brown, Tim Kovacs. GECCO, July, 2011.
    abstract pdf

  • Accuracy Exponentiation in UCS and its Effect on Voting Margins.
    Tim Kovacs, Narayanan U Edakunni, Gavin Brown. GECCO, July, 2011.
    abstract pdf

  • Modeling UCS as a Mixture of Experts.
    Narayanan U Edakunni, Tim Kovacs, Gavin Brown, James Marshall. GECCO, Canada, July, 2009.
    abstract pdf

  • Efficient Online Classification using an Ensemble of Bayesian Linear Logistic Regressors.
    Narayanan U Edakunni, Sethu Vijayakumar. International Workshop on Multiple Classifier Systems, Iceland, June, 2009.
    abstract pdf

  • Kernel Carpentry for Online Regression using Randomly Varying Coefficient Model.
    Narayanan U Edakunni, Stefan Schaal, Sethu Vijayakumar. International Joint Conference in AI (IJCAI) Hyderabad, India, January, 2007.
    abstract pdf

  • Word Sense Disambiguation Using Semantic Graphs.
    Narayanan Unny E, P. Bhattacharyya. In 1st International Conference on Global WordNet, Mysore, India, January, 2002.
    abstract pdf

  • Measuring Similarity of Text Using WordNet.
    Narayanan Unny E and P. Bhattacharyya. In WWW2002 Workshop on real World RDF and Semantic Web Applications, Hawaii, USA, 7th May, 2002.

  • Word Sense Disambiguation and Measuring Similarity of Text Using WordNet.
    P. Bhattacharyya and Narayanan Unny. In AAAI2002 Workshop on Semantic Web and Language Resources, Edmonton, Canada, July, 2002.
    abstract pdf

  • Word Sense Disambiguation and Text Similarity Measurement Using WordNet.
    P. Bhattacharyya and Narayanan Unny. Chapter in Real World Semantic Web Applications, IOS Press, Amsterdam, 2002. Vipual Kashyap and Leon Shklar (ed), ISBN: 1 58603 306 9, http://www.iospress.nl/site/html/boek1038917894.html.
Resume

Research links

Name Guide

Find it hard to pronounce my name, here's how you do it -
Nara a nun
Still find it hard, then you can call me nara or nue or unny or any other combinations you can think of.

Links (will grow with time !!)


Literary activism

The poor sisters of Orissa have no saris; they are in rags. Yet they have not lost all sense of decency; but, I assure you, we have. We are naked in spite of our clothing and they are clothed in spite of their nakedness. --Mahatma Gandhi (1927)