Background and activities
Area of research
My research is on computational structures for helping people making clever decision when faced with uncertainty. In paricular, I work with
- Probabilistic graphical models, in particular Bayesian networks
- Decision support systems
- Bayesian methods
- Machine learning
Research group: Intelligent systems
Homepage: www.idi.ntnu.no/~helgel/
Scientific, academic and artistic work
A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database
2018
- (2018) A deep network model for paraphrase detection in short text messages. Information Processing & Management. vol. 54 (6).
- (2018) Effective hate-speech detection in Twitter data using recurrent neural networks. Applied intelligence (Boston).
- (2018) Scalable importance sampling estimation of Gaussian mixture posteriors in Bayesian networks. International Journal of Approximate Reasoning. vol. 100.
2017
- (2017) Financial data analysis with PGMs using AMIDST. IEEE International Conference on Data Mining Workshops, ICDMW.
- (2017) Content-Based Social Recommendation with Poisson Matrix Factorization. Lecture Notes in Computer Science. vol. 10534 LNAI.
- (2017) A parallel algorithm for Bayesian network structure learning from large data sets. Knowledge-Based Systems. vol. 117.
- (2017) Scaling up Bayesian variational inference using distributed computing clusters. International Journal of Approximate Reasoning. vol. 88.
- (2017) Bayesian Models of Data Streams with Hierarchical Power Priors. JMLR: Workshop and Conference Proceedings. vol. 70.
- (2017) Data driven case base construction for prediction of success of marine operations. CEUR Workshop Proceedings. vol. 2028.
- (2017) MAP inference in dynamic hybrid Bayesian networks. Progress in artificial intelligence. vol. 6 (2).
2016
- (2016) d-VMP: Distributed Variational Message Passing. Journal of machine learning research. vol. 55.
- (2016) Scalable MAP inference in Bayesian networks based on a Map-Reduce approach. Journal of machine learning research. vol. 52.
- (2016) Parallel filter-based feature selection based on balanced incomplete block designs. Frontiers in Artificial Intelligence and Applications. vol. 285.
2015
- (2015) Dynamic Bayesian modeling for risk prediction in credit operations. Frontiers in Artificial Intelligence and Applications. vol. 278.
- (2015) Modeling concept drift: A probabilistic graphical model based approach. Lecture Notes in Computer Science. vol. 9385.
- (2015) Short-Term Load Forecasting With Seasonal Decomposition Using Evolution for Parameter Tuning. IEEE Transactions on Smart Grid. vol. 6 (4).
- (2015) Scalable learning of probabilistic latent models for collaborative filtering. Decision Support Systems. vol. 74.
- (2015) Parallelization of the PC Algorithm. Lecture Notes in Computer Science. vol. 9422.
- (2015) Learning conditional distributions using mixtures of truncated basis functions. Lecture Notes in Computer Science. vol. 9161.
- (2015) Parallel importance sampling in conditional linear gaussian networks. Lecture Notes in Computer Science. vol. 9422.