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Analysis of effect heterogeneity at the group level is standard practice in empirical treatment evaluation. However, treatments analyzed are often aggregates of multiple underlying treatments which are themselves heterogeneous, e.g.…

Econometrics · Economics 2026-02-27 Phillip Heiler , Michael C. Knaus

Accurate Intensive Care Unit (ICU) outcome prediction is critical for improving patient treatment quality and ICU resource allocation. Existing research mainly focuses on structured data, e.g. demographics and vital signs, and lacks…

Information Theory · Computer Science 2025-02-26 Yucheng Ruan , Daniel J. Tan , See Kiong Ng , Ling Huang , Mengling Feng

Due to the wider availability of modern electronic health records, patient care data is often being stored in the form of time-series. Clustering such time-series data is crucial for patient phenotyping, anticipating patients' prognoses by…

Medical Physics · Physics 2020-06-17 Changhee Lee , Mihaela van der Schaar

Electronic phenotyping is the task of ascertaining whether an individual has a medical condition of interest by analyzing their medical record and is foundational in clinical informatics. Increasingly, electronic phenotyping is performed…

Machine Learning · Statistics 2019-01-08 Daisy Yi Ding , Chloé Simpson , Stephen Pfohl , Dave C. Kale , Kenneth Jung , Nigam H. Shah

An important goal of precision medicine is to personalize medical treatment by identifying individuals who are most likely to benefit from a specific treatment. The Likely Responder (LR) framework, which identifies a subpopulation where…

Methodology · Statistics 2026-03-13 Annan Deng , Carole Siegel , Hyung G. Park

For multi-robot teams with heterogeneous capabilities, typical task allocation methods assign tasks to robots based on the suitability of the robots to perform certain tasks as well as the requirements of the task itself. However, in…

Robotics · Computer Science 2020-03-09 Yousef Emam , Siddharth Mayya , Gennaro Notomista , Addison Bohannon , Magnus Egerstedt

The Intensive Care Unit (ICU) is a hospital department where machine learning has the potential to provide valuable assistance in clinical decision making. Classical machine learning models usually only provide point-estimates and no…

Machine Learning · Computer Science 2024-07-26 David Ruhe , Giovanni Cinà , Michele Tonutti , Daan de Bruin , Paul Elbers

Algorithmic bias often arises as a result of differential subgroup validity, in which predictive relationships vary across groups. For example, in toxic language detection, comments targeting different demographic groups can vary markedly…

Machine Learning · Computer Science 2023-03-08 Soumyajit Gupta , Sooyong Lee , Maria De-Arteaga , Matthew Lease

Collecting more diverse and representative training data is often touted as a remedy for the disparate performance of machine learning predictors across subpopulations. However, a precise framework for understanding how dataset properties…

Machine Learning · Computer Science 2021-06-08 Esther Rolf , Theodora Worledge , Benjamin Recht , Michael I. Jordan

In Multi-Task Learning (MTL), it is a common practice to train multi-task networks by optimizing an objective function, which is a weighted average of the task-specific objective functions. Although the computational advantages of this…

Machine Learning · Computer Science 2022-07-19 Lucas Pascal , Pietro Michiardi , Xavier Bost , Benoit Huet , Maria A. Zuluaga

Major depressive disorder (MDD) is a heterogeneous condition; multiple underlying neurobiological substrates could be associated with treatment response variability. Understanding the sources of this variability and predicting outcomes has…

This study develops a pattern recognition method that identifies patterns based on their similarity and their association with the outcome of interest. The practical purpose of developing this pattern recognition method is to group…

Machine Learning · Computer Science 2020-11-20 Hadi Akbarzadeh Khorshidi , Uwe Aickelin , Gholamreza Haffari , Behrooz Hassani-Mahmooei

Multitask learning is widely used in practice to train a low-resource target task by augmenting it with multiple related source tasks. Yet, naively combining all the source tasks with a target task does not always improve the prediction…

Machine Learning · Computer Science 2023-12-29 Dongyue Li , Huy L. Nguyen , Hongyang R. Zhang

A fundamental problem in multi-task learning (MTL) is identifying groups of tasks that should be learned together. Since training MTL models for all possible combinations of tasks is prohibitively expensive for large task sets, a crucial…

Machine Learning · Computer Science 2026-02-24 Afiya Ayman , Ayan Mukhopadhyay , Aron Laszka

Multi-task learning (MTL) is a subfield of machine learning in which multiple tasks are simultaneously learned by a shared model. Such approaches offer advantages like improved data efficiency, reduced overfitting through shared…

Machine Learning · Computer Science 2020-09-22 Michael Crawshaw

End-to-end training of multi-agent systems offers significant advantages in improving multi-task performance. However, training such models remains challenging and requires extensive manual design and monitoring. In this work, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Zewei Zhou , Seth Z. Zhao , Tianhui Cai , Zhiyu Huang , Bolei Zhou , Jiaqi Ma

Recommender systems usually leverage multi-task learning methods to simultaneously optimize several objectives because of the multi-faceted user behavior data. The typical way of conducting multi-task learning is to establish appropriate…

Information Retrieval · Computer Science 2023-09-20 Yi Ren , Ying Du , Bin Wang , Shenzheng Zhang

We propose to meta-learn an a self-supervised patient trajectory forecast learning rule by meta-training on a meta-objective that directly optimizes the utility of the patient representation over the subsequent clinical outcome prediction.…

Machine Learning · Computer Science 2024-07-30 Yuan Xue , Nan Du , Anne Mottram , Martin Seneviratne , Andrew M. Dai

The causal effect of a treatment can vary from person to person based on their individual characteristics and predispositions. Mining for patterns of individual-level effect differences, a problem known as heterogeneous treatment effect…

Machine Learning · Computer Science 2019-09-04 Christopher Tran , Elena Zheleva

Teaching autonomous mobile robots to successfully navigate human crowds is a challenging task. Not only does it require planning, but it requires maintaining social norms which may differ from one context to another. Here we focus on crowd…

Robotics · Computer Science 2024-04-11 Rajshree Daulatabad , Serena Nath