Search Results for author: Rishab Goel

Found 11 papers, 7 papers with code

GLINKX: A Scalable Unified Framework For Homophilous and Heterophilous Graphs

no code implementations1 Nov 2022 Marios Papachristou, Rishab Goel, Frank Portman, Matthew Miller, Rong Jin

On the other hand, shallow (or node-level) models using ego features and adjacency embeddings work well in heterophilous graphs.

Graph Learning Knowledge Graph Embeddings

Towards Trustworthy Automatic Diagnosis Systems by Emulating Doctors' Reasoning with Deep Reinforcement Learning

1 code implementation13 Oct 2022 Arsene Fansi Tchango, Rishab Goel, Julien Martel, Zhi Wen, Gaetan Marceau Caron, Joumana Ghosn

In their initial interaction with patients, doctors do not only focus on identifying the pathology a patient is suffering from; they instead generate a differential diagnosis (in the form of a short list of plausible diseases) because the medical evidence collected from patients is often insufficient to establish a final diagnosis.

Reinforcement Learning (RL)

DDXPlus: A New Dataset For Automatic Medical Diagnosis

1 code implementation18 May 2022 Arsene Fansi Tchango, Rishab Goel, Zhi Wen, Julien Martel, Joumana Ghosn

In this work, we present a large-scale synthetic dataset of roughly 1. 3 million patients that includes a differential diagnosis, along with the ground truth pathology, symptoms and antecedents for each patient.

Medical Diagnosis

Static Prediction of Runtime Errors by Learning to Execute Programs with External Resource Descriptions

1 code implementation7 Mar 2022 David Bieber, Rishab Goel, Daniel Zheng, Hugo Larochelle, Daniel Tarlow

This presents an interesting machine learning challenge: can we predict runtime errors in a "static" setting, where program execution is not possible?

BIG-bench Machine Learning Inductive Bias +1

Data-Efficient Reinforcement Learning with Self-Predictive Representations

1 code implementation ICLR 2021 Max Schwarzer, Ankesh Anand, Rishab Goel, R. Devon Hjelm, Aaron Courville, Philip Bachman

We further improve performance by adding data augmentation to the future prediction loss, which forces the agent's representations to be consistent across multiple views of an observation.

Atari Games 100k Data Augmentation +5

Time2Vec: Learning a Vector Representation of Time

6 code implementations11 Jul 2019 Seyed Mehran Kazemi, Rishab Goel, Sepehr Eghbali, Janahan Ramanan, Jaspreet Sahota, Sanjay Thakur, Stella Wu, Cathal Smyth, Pascal Poupart, Marcus Brubaker

Time is an important feature in many applications involving events that occur synchronously and/or asynchronously.

Diachronic Embedding for Temporal Knowledge Graph Completion

2 code implementations6 Jul 2019 Rishab Goel, Seyed Mehran Kazemi, Marcus Brubaker, Pascal Poupart

In this paper, we build novel models for temporal KG completion through equipping static models with a diachronic entity embedding function which provides the characteristics of entities at any point in time.

Temporal Knowledge Graph Completion

Representation Learning for Dynamic Graphs: A Survey

no code implementations27 May 2019 Seyed Mehran Kazemi, Rishab Goel, Kshitij Jain, Ivan Kobyzev, Akshay Sethi, Peter Forsyth, Pascal Poupart

Graphs arise naturally in many real-world applications including social networks, recommender systems, ontologies, biology, and computational finance.

Knowledge Graphs Recommendation Systems +1

Fast Retinomorphic Event Stream for Video Recognition and Reinforcement Learning

no code implementations16 May 2018 Wanjia Liu, Huaijin Chen, Rishab Goel, Yuzhong Huang, Ashok Veeraraghavan, Ankit Patel

Good temporal representations are crucial for video understanding, and the state-of-the-art video recognition framework is based on two-stream networks.

Action Recognition Atari Games +8

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