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Jan 19, 2021
Machine Learning
Statistics Theory

Minimax Off-Policy Evaluation for Multi-Armed Bandits

We study the problem of off-policy evaluation in the multi-armed bandit model with bounded rewards, and develop minimax rate-optimal procedures under…
Jan 19, 2021
Machine Learning

Learning over Families of Sets -- Hypergraph Representation Learning …

Graph representation learning has made major strides over the past decade. However, in many relational domains, the input data are not suited for sim…
Jan 19, 2021
Cryptography and Security
Artificial Intelligence
Computation and Language
Databases

A System for Automated Open-Source Threat Intelligence Gathering and …

Sophisticated cyber attacks have plagued many high-profile businesses. To remain aware of the fast-evolving threat landscape, open-source Cyber Threa…
Jan 19, 2021
Machine Learning
Algebraic Topology

Determining Structural Properties of Artificial Neural Networks Using…

Artificial Neural Networks (ANNs) are widely used for approximating complex functions. The process that is usually followed to define the most approp…
Jan 19, 2021
Information Theory
Cryptography and Security
Machine Learning

Information Theoretic Secure Aggregation with User Dropouts

In the robust secure aggregation problem, a server wishes to learn and only learn the sum of the inputs of a number of users while some users may dro…
Jan 19, 2021
Machine Learning

A Unifying Generative Model for Graph Learning Algorithms: Label Pr…

Semi-supervised learning on graphs is a widely applicable problem in network science and machine learning. Two standard algorithms -- label propagati…
Jan 19, 2021
Image and Video Processing
Computer Vision
Machine Learning

A survey on shape-constraint deep learning for medical image segmen…

Since the advent of U-Net, fully convolutional deep neural networks and its many variants have completely changed the modern landscape of deep learni…
Jan 19, 2021
Computer Vision
Robotics

Hyperdimensional computing as a framework for systematic aggregation …

Image and video descriptors are an omnipresent tool in computer vision and its application fields like mobile robotics. Many hand-crafted and in part…
Jan 19, 2021
Image and Video Processing
Computer Vision
Machine Learning

Meningioma segmentation in T1-weighted MRI leveraging global context …

Meningiomas are the most common type of primary brain tumor, accounting for approximately 30% of all brain tumors. A substantial number of these tumo…
Jan 19, 2021
Computation and Language
Social and Information Networks

Towards Facilitating Empathic Conversations in Online Mental Health …

Online peer-to-peer support platforms enable conversations between millions of people who seek and provide mental health support. If successful, web-…
Jan 19, 2021
Machine Learning

Image Denoising using Attention-Residual Convolutional Neural Networks

During the image acquisition process, noise is usually added to the data mainly due to physical limitations of the acquisition sensor, and also regar…
Jan 19, 2021
Image and Video Processing
Computer Vision
Computation

Multi-target detection with rotations

We consider the multi-target detection problem of estimating a two-dimensional target image from a large noisy measurement image that contains many r…
Jan 19, 2021
Human-Computer Interaction

Leveraging Peer Review in Visualization Education: A Proposal for a N…

In visualization education, both science and humanities, the literature is often divided into two parts: the design aspect and the analysis of the vi…
Jan 19, 2021
Machine Learning

Communication-Efficient Sampling for Distributed Training of Graph …

Training Graph Convolutional Networks (GCNs) is expensive as it needs to aggregate data recursively from neighboring nodes. To reduce the computation…
Jan 19, 2021
Artificial Intelligence
Human-Computer Interaction

Choice Set Misspecification in Reward Inference

Specifying reward functions for robots that operate in environments without a natural reward signal can be challenging, and incorrectly specified rew…
Jan 19, 2021
Computer Vision

Hyperspectral Image Restoration via Multi-mode and Double-weighted …

Tensor nuclear norm (TNN) induced by tensor singular value decomposition plays an important role in hyperspectral image (HSI) restoration tasks. In t…
Jan 19, 2021
Robotics

The Six Hug Commandments: Design and Evaluation of a Human-Sized Hugg…

Receiving a hug is one of the best ways to feel socially supported, and the lack of social touch can have severe negative effects on an individual's …
Jan 19, 2021
Robotics
Networking and Internet Architecture

COTORRA: COntext-aware Testbed fOR Robotic Applications

Edge & Fog computing have received considerable attention as promising candidates for the evolution of robotic systems. In this letter, we propose CO…
Jan 19, 2021
Computers and Society
Artificial Intelligence

An Artificial Intelligence based approach to estimating time of arriv…

This document entails a progressive report on the design and implementation of a bus tracking and monitoring system . This report has its contents wi…
Jan 19, 2021
Machine Learning
Artificial Intelligence

Edge-Featured Graph Attention Network

Lots of neural network architectures have been proposed to deal with learning tasks on graph-structured data. However, most of these models concentra…
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