Oluwasanmi Oluseye Koyejo

20092019
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Research Output 2009 2019

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Conference contribution
2019

Clustered monotone transforms for rating factorization

Hiranandani, G., Koyejo, O. O., Somani, R. & Acharyya, S., Jan 30 2019, WSDM 2019 - Proceedings of the 12th ACM International Conference on Web Search and Data Mining. Association for Computing Machinery, Inc, p. 132-140 9 p. (WSDM 2019 - Proceedings of the 12th ACM International Conference on Web Search and Data Mining).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Factorization
Recommender systems
Mathematical transformations

FMRI data augmentation via synthesis

Zhuang, P., Schwing, A. G. & Koyejo, O., Apr 2019, ISBI 2019 - 2019 IEEE International Symposium on Biomedical Imaging. IEEE Computer Society, p. 1783-1787 5 p. 8759585. (Proceedings - International Symposium on Biomedical Imaging; vol. 2019-April).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetic Resonance Imaging
Brain
Neuroimaging
Convolution
Tensors
2018

Binary classification with karmic, threshold-quasi-concave metrics

Yan, B., Koyejo, O. O., Zhong, K. & Ravikumar, P., Jan 1 2018, 35th International Conference on Machine Learning, ICML 2018. Dy, J. & Krause, A. (eds.). International Machine Learning Society (IMLS), p. 8792-8804 13 p. (35th International Conference on Machine Learning, ICML 2018; vol. 12).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Classifiers
Supervised learning
Statistical methods

Clustered fused graphical Lasso

Zhu, Y. & Koyejo, O., Jan 1 2018, 34th Conference on Uncertainty in Artificial Intelligence 2018, UAI 2018. Globerson, A., Globerson, A. & Silva, R. (eds.). Association For Uncertainty in Artificial Intelligence (AUAI), p. 487-496 10 p. (34th Conference on Uncertainty in Artificial Intelligence 2018, UAI 2018; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2017

A deflation method for structured probabilistic PCA

Khanna, R., Ghosh, J., Poldrack, R. & Koyejo, O. O., 2017, Proceedings of the 17th SIAM International Conference on Data Mining, SDM 2017. Society for Industrial and Applied Mathematics Publications, p. 534-542 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Principal component analysis
Neuroimaging
Regain
Scalability
Recovery

Consistency analysis for binary classification revisited

Dembczyriski, K., Kottowski, W., Koyejo, O. O. & Natarajan, N., Jan 1 2017, 34th International Conference on Machine Learning, ICML 2017. International Machine Learning Society (IMLS), Vol. 3. p. 1597-1613 17 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2016

A simple and provable algorithm for sparse diagonal CCA

Asteris, M., Kyrillidis, A., Koyejo, O. O. & Poldrack, R., Jan 1 2016, 33rd International Conference on Machine Learning, ICML 2016. Weinberger, K. Q. & Balcan, M. F. (eds.). International Machine Learning Society (IMLS), p. 1774-1783 10 p. (33rd International Conference on Machine Learning, ICML 2016; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Neuroimaging
Hinges
Computational complexity
Brain

Optimal classification with multivariate losses

Natarajan, N., Koyejo, O. O., Ravikumar, P. & Dhillon, I. S., 2016, 33rd International Conference on Machine Learning, ICML 2016. International Machine Learning Society (IMLS), Vol. 4. p. 2283-2295 13 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Information retrieval
Sorting
Labels

Sparse parameter recovery from aggregated data

Bhowmik, A., Ghosh, J. & Koyejo, O. O., Jan 1 2016, 33rd International Conference on Machine Learning, ICML 2016. Weinberger, K. Q. & Balcan, M. F. (eds.). International Machine Learning Society (IMLS), p. 1726-1741 16 p. (33rd International Conference on Machine Learning, ICML 2016; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Parameter estimation
Agglomeration
Recovery
Communication
Costs
2015

Simultaneous prognosis and exploratory analysis of multiple chronic conditions using clinical notes

Joshi, S., Koyejo, O., Resurreccion, K. & Ghosh, J., Dec 8 2015, Proceedings - 2015 IEEE International Conference on Healthcare Informatics, ICHI 2015. Fu, W-T., Balakrishnan, P., Harabagiu, S., Wang, F. & Srivatsava, J. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 243-252 10 p. 7349697. (Proceedings - 2015 IEEE International Conference on Healthcare Informatics, ICHI 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electronic Health Records
Morbidity
Delivery of Health Care
Multiple Chronic Conditions
Therapeutics
2013

Identifying candidate disease genes using a trace norm constrained bipartite raking model

Lee, C. H., Koyejo, O. O. & Ghosh, J., Oct 31 2013, 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013. p. 3459-3462 4 p. 6610286. (Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Genes
Observation

Learning predictive cognitive structure from fMRI using supervised topic models

Koyejo, O., Patel, P., Ghosh, J. & Poldrack, R. A., Oct 15 2013, Proceedings - 2013 3rd International Workshop on Pattern Recognition in Neuroimaging, PRNI 2013. p. 9-12 4 p. 6603544. (Proceedings - 2013 3rd International Workshop on Pattern Recognition in Neuroimaging, PRNI 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetic resonance
Labels
Visualization
Magnetic Resonance Imaging
Recovery

Retargeted matrix factorization for collaborative filtering

Koyejo, O. O., Acharyya, S. & Ghosh, J., Nov 20 2013, RecSys 2013 - Proceedings of the 7th ACM Conference on Recommender Systems. p. 49-56 8 p. (RecSys 2013 - Proceedings of the 7th ACM Conference on Recommender Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Collaborative filtering
Factorization
2012

Learning to rankwith bregman divergences and monotone retargeting

Acharyya, S., Koyejo, O. & Ghosh, J., Dec 1 2012, Uncertainty in Artificial Intelligence - Proceedings of the 28th Conference, UAI 2012. p. 16-25 10 p. (Uncertainty in Artificial Intelligence - Proceedings of the 28th Conference, UAI 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Parameter estimation
2011

A kernel-based approach to exploiting interaction-networks in heterogeneous information sources for improved recommender systems

Koyejo, O. & Ghosh, J., Nov 23 2011, Proceedings of the 2nd International Workshop on Information Heterogeneity and Fusion in Recommender Systems, HetRec 2011 - Held at the 5th ACM Conference on Recommender Systems, RecSys 2011. p. 9-16 8 p. (Proceedings of the 2nd International Workshop on Information Heterogeneity and Fusion in Recommender Systems, HetRec 2011 - Held at the 5th ACM Conference on Recommender Systems, RecSys 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Recommender systems
Factorization
Experiments
2009

MiPPS: A generative model for multi-manifold clustering

Koyejo, O. & Ghosh, J., Dec 1 2009, Manifold Learning and Its Applications - Papers from the AAAI Fall Symposium, Technical Report. p. 18-25 8 p. (AAAI Fall Symposium - Technical Report; vol. FS-09-04).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Visualization