Darius Braziunas

(Google Scholar profile)


I have completed my Ph.D. studies in Computer Science at the University of Toronto, supervised by Craig Boutilier. I am currently an Associate VP of Digital Customer Experience at TD Bank Group and Head of Technology at UGO Mobile Solutions.


Publications:

Suvash Sedhain, Aditya Krishna Menon, Scott Sanner, Lexing Xie, Darius Braziunas Low-rank linear cold-start recommendation from social data
In proceedings of the Thirty-First AAAI conference (AAAI 2017), San Francisco, 2017.
[abstract] [pdf]


Suvash Sedhain, Aditya Krishna Menon, Scott Sanner, Darius Braziunas. On the Effectiveness of Linear Models for One-Class Collaborative Filtering
In proceedings of the Thirtieth AAAI conference (AAAI 2016), Phoenix, 2016.
[abstract] [pdf]


Suvash Sedhain, Scott Sanner, Darius Braziunas, Lexing Xie, Jordan Christensen. Social collaborative filtering for cold-start recommendations
In proceedings of the 8th ACM Conference on Recommender systems (RecSys 2014), Foster City, 2014.
[pdf]


Darius Braziunas. Decision-theoretic elicitation of generalized additive utilities
Ph.D. thesis, 2011.
[abstract] [pdf] [Bibtex entry]


Darius Braziunas and Craig Boutilier. Assessing Regret-based Preference Elicitation with the UTPREF Recommendation System
In proceedings of the Eleventh ACM Conference on Electronic Commerce (EC-10), Boston, 2010.
[abstract] [pdf] [Bibtex entry]


Darius Braziunas and Craig Boutilier. Elicitation of Factored Utilities
AI Magazine, Vol. 29, No. 4, 2008.
[abstract] [pdf] [Bibtex entry]


Darius Braziunas and Craig Boutilier. Minimax regret based elicitation of generalized additive utilities
In proceedings of the 23rd Conference on Uncertainty in Artificial Intelligence (UAI-07), Vancouver, 2007.
[abstract] [pdf] [Bibtex entry]


Darius Braziunas and Craig Boutilier. Preference Elicitation and Generalized Additive Utility
(Nectar paper, summarizing our UAI-05 article)
In proceedings of the Twenty-First National Conference on Artificial Intelligence (AAAI-06), Boston, 2006.
[abstract] [pdf] [Bibtex entry]


Darius Braziunas and Craig Boutilier. Local utility elicitation in GAI models (Best Paper award)
In proceedings of the 21st Conference on Uncertainty in Artificial Intelligence (UAI-05), Edinburgh, 2005.
[abstract] [pdf] [Bibtex entry]


Darius Braziunas and Craig Boutilier. Stochastic local search for POMDP controllers
In proceedings of the Nineteenth National Conference on Artificial Intelligence (AAAI-04), San Jose, 2004.
[abstract] [pdf] [Bibtex entry]




Reports, surveys, notes:

Computational Approaches to Preference Elicitation (2006)
[abstract] [pdf] [Bibtex entry]

POMDP solution methods: a survey (2003)
[abstract] [pdf] [Bibtex entry]

Darius Braziunas. Stochastic local search for POMDP controllers (M.Sc. Thesis)
M.Sc. thesis, 2003.
[abstract] [pdf] [Bibtex entry]




Some software projects:

pycplex: a Python interface to the ILOG CPLEX Callable Library (2006)

icefield: an Amazon Glacier client for archiving large files



darius @ cs . toronto . edu