Search Results for author: Md Sultan Al Nahian

Found 6 papers, 1 papers with code

Machine Learning Approaches for Principle Prediction in Naturally Occurring Stories

no code implementations19 Nov 2022 Md Sultan Al Nahian, Spencer Frazier, Brent Harrison, Mark Riedl

To do this, we extend a dataset that has been previously used to train a binary normative classifier with annotations of moral principles.

Training Value-Aligned Reinforcement Learning Agents Using a Normative Prior

no code implementations19 Apr 2021 Md Sultan Al Nahian, Spencer Frazier, Brent Harrison, Mark Riedl

As more machine learning agents interact with humans, it is increasingly a prospect that an agent trained to perform a task optimally, using only a measure of task performance as feedback, can violate societal norms for acceptable behavior or cause harm.

reinforcement-learning Reinforcement Learning (RL)

Influencing Reinforcement Learning through Natural Language Guidance

1 code implementation4 Apr 2021 Tasmia Tasrin, Md Sultan Al Nahian, Habarakadage Perera, Brent Harrison

In this work, we explore how natural language advice can be used to provide a richer feedback signal to a reinforcement learning agent by extending policy shaping, a well-known Interactive reinforcement learning technique.

reinforcement-learning Reinforcement Learning (RL)

Visual Question Answering Using Semantic Information from Image Descriptions

no code implementations23 Apr 2020 Tasmia Tasrin, Md Sultan Al Nahian, Brent Harrison

In this work, we propose a deep neural architecture that uses an attention mechanism which utilizes region based image features, the natural language question asked, and semantic knowledge extracted from the regions of an image to produce open-ended answers for questions asked in a visual question answering (VQA) task.

Question Answering Visual Question Answering

Learning Norms from Stories: A Prior for Value Aligned Agents

no code implementations7 Dec 2019 Spencer Frazier, Md Sultan Al Nahian, Mark Riedl, Brent Harrison

Value alignment is a property of an intelligent agent indicating that it can only pursue goals and activities that are beneficial to humans.

Imitation Learning

A Hierarchical Approach for Visual Storytelling Using Image Description

no code implementations26 Sep 2019 Md Sultan Al Nahian, Tasmia Tasrin, Sagar Gandhi, Ryan Gaines, Brent Harrison

One of the primary challenges of visual storytelling is developing techniques that can maintain the context of the story over long event sequences to generate human-like stories.

Decoder Sentence +1

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