Search Results for author: Joon Sik Kim

Found 9 papers, 6 papers with code

Assisting Human Decisions in Document Matching

1 code implementation16 Feb 2023 Joon Sik Kim, Valerie Chen, Danish Pruthi, Nihar B. Shah, Ameet Talwalkar

Many practical applications, ranging from paper-reviewer assignment in peer review to job-applicant matching for hiring, require human decision makers to identify relevant matches by combining their expertise with predictions from machine learning models.

Bayesian Persuasion for Algorithmic Recourse

no code implementations12 Dec 2021 Keegan Harris, Valerie Chen, Joon Sik Kim, Ameet Talwalkar, Hoda Heidari, Zhiwei Steven Wu

While the decision maker's problem of finding the optimal Bayesian incentive-compatible (BIC) signaling policy takes the form of optimization over infinitely-many variables, we show that this optimization can be cast as a linear program over finitely-many regions of the space of possible assessment rules.

Decision Making

Sanity Simulations for Saliency Methods

1 code implementation13 May 2021 Joon Sik Kim, Gregory Plumb, Ameet Talwalkar

Saliency methods are a popular class of feature attribution explanation methods that aim to capture a model's predictive reasoning by identifying "important" pixels in an input image.

Benchmarking

Interpretable Machine Learning: Moving From Mythos to Diagnostics

no code implementations10 Mar 2021 Valerie Chen, Jeffrey Li, Joon Sik Kim, Gregory Plumb, Ameet Talwalkar

Despite increasing interest in the field of Interpretable Machine Learning (IML), a significant gap persists between the technical objectives targeted by researchers' methods and the high-level goals of consumers' use cases.

BIG-bench Machine Learning Interpretable Machine Learning

FACT: A Diagnostic for Group Fairness Trade-offs

1 code implementation7 Apr 2020 Joon Sik Kim, Jiahao Chen, Ameet Talwalkar

Group fairness, a class of fairness notions that measure how different groups of individuals are treated differently according to their protected attributes, has been shown to conflict with one another, often with a necessary cost in loss of model's predictive performance.

Attribute Fairness

PLLay: Efficient Topological Layer based on Persistence Landscapes

2 code implementations NeurIPS 2020 Kwangho Kim, Jisu Kim, Manzil Zaheer, Joon Sik Kim, Frederic Chazal, Larry Wasserman

We propose PLLay, a novel topological layer for general deep learning models based on persistence landscapes, in which we can efficiently exploit the underlying topological features of the input data structure.

Automated Dependence Plots

2 code implementations2 Dec 2019 David I. Inouye, Liu Leqi, Joon Sik Kim, Bryon Aragam, Pradeep Ravikumar

To address these drawbacks, we formalize a method for automating the selection of interesting PDPs and extend PDPs beyond showing single features to show the model response along arbitrary directions, for example in raw feature space or a latent space arising from some generative model.

Model Selection Selection bias

Representer Point Selection for Explaining Deep Neural Networks

1 code implementation NeurIPS 2018 Chih-Kuan Yeh, Joon Sik Kim, Ian E. H. Yen, Pradeep Ravikumar

We propose to explain the predictions of a deep neural network, by pointing to the set of what we call representer points in the training set, for a given test point prediction.

A Rotation Invariant Latent Factor Model for Moveme Discovery from Static Poses

no code implementations23 Sep 2016 Matteo Ruggero Ronchi, Joon Sik Kim, Yisong Yue

We tackle the problem of learning a rotation invariant latent factor model when the training data is comprised of lower-dimensional projections of the original feature space.

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