activity
20202026
most citedNetworked Multi-Agent Reinforcement Learning with Emergent Communication

10 citations · 23 across the 14 of their papers we have counts for

collaborators

15 papers

cs.AI2026

AIRA_2: Overcoming Bottlenecks in AI Research Agents

Karen Hambardzumyan, Nicolas Baldwin, Edan Toledo +22

Existing research has identified three structural performance bottlenecks in AI research agents: (1) synchronous single-GPU execution constrains sample throughput, limiting the ben…

cs.AI2026

COvolve: Adversarial Co-Evolution of Large-Language-Model-Generated Policies and Environments via Two-Player Zero-Sum Game

Alkis Sygkounas, Rishi Hazra, Andreas Persson +2

A central challenge in building continually improving agents is that training environments are typically static or manually constructed. This restricts continual learning and gener…

cs.CL2025

LexiCon: a Benchmark for Planning under Temporal Constraints in Natural Language

Periklis Mantenoglou, Rishi Hazra, Pedro Zuidberg Dos Martires +1

Owing to their reasoning capabilities, large language models (LLMs) have been evaluated on planning tasks described in natural language. However, LLMs have largely been tested on p…

cs.AI2025

Have Large Language Models Learned to Reason? A Characterization via 3-SAT Phase Transition

Rishi Hazra, Gabriele Venturato, Pedro Zuidberg Dos Martires +1

Large Language Models (LLMs) have been touted as AI models possessing advanced reasoning abilities. In theory, autoregressive LLMs with Chain-of-Thought (CoT) can perform more seri…

cs.RO2025★ 1 cited

Evaluating Efficiency and Engagement in Scripted and LLM-Enhanced Human-Robot Interactions

Tim Schreiter, Jens V. Rüppel, Rishi Hazra +3

To achieve natural and intuitive interaction with people, HRI frameworks combine a wide array of methods for human perception, intention communication, human-aware navigation and c…

cs.RO2024

Bidirectional Intent Communication: A Role for Large Foundation Models

Tim Schreiter, Rishi Hazra, Jens Rüppel +1

Integrating multimodal foundation models has significantly enhanced autonomous agents' language comprehension, perception, and planning capabilities. However, while existing works…

cs.AI2024★ 1 cited

Can Large Language Models Reason? A Characterization via 3-SAT

Rishi Hazra, Gabriele Venturato, Pedro Zuidberg Dos Martires +1

Large Language Models (LLMs) have been touted as AI models possessing advanced reasoning abilities. However, recent works have shown that LLMs often bypass true reasoning using sho…

cs.NE2024★ 2 cited

REvolve: Reward Evolution with Large Language Models using Human Feedback

Rishi Hazra, Alkis Sygkounas, Andreas Persson +2

Designing effective reward functions is crucial to training reinforcement learning (RL) algorithms. However, this design is non-trivial, even for domain experts, due to the subject…

cs.AI2023★ 1 cited

SayCanPay: Heuristic Planning with Large Language Models using Learnable Domain Knowledge

Rishi Hazra, Pedro Zuidberg Dos Martires, Luc De Raedt

Large Language Models (LLMs) have demonstrated impressive planning abilities due to their vast "world knowledge". Yet, obtaining plans that are both feasible (grounded in affordanc…

cs.AI2023★ 2 cited

Deep Explainable Relational Reinforcement Learning: A Neuro-Symbolic Approach

Rishi Hazra, Luc De Raedt

Despite numerous successes in Deep Reinforcement Learning (DRL), the learned policies are not interpretable. Moreover, since DRL does not exploit symbolic relational representation…

cs.CL2021

gComm: An environment for investigating generalization in Grounded Language Acquisition

Rishi Hazra, Sonu Dixit

gComm is a step towards developing a robust platform to foster research in grounded language acquisition in a more challenging and realistic setting. It comprises a 2-d grid enviro…

cs.AI2021★ 1 cited

Zero-Shot Generalization using Intrinsically Motivated Compositional Emergent Protocols

Rishi Hazra, Sonu Dixit, Sayambhu Sen

Human language has been described as a system that makes \textit{use of finite means to express an unlimited array of thoughts}. Of particular interest is the aspect of composition…

cs.CL2021★ 5 cited

Active Learning: Actively reducing redundancies in Active Learning methods for Sequence Tagging and Machine Translation

Rishi Hazra, Parag Dutta, Shubham Gupta +2

While deep learning is a powerful tool for natural language processing (NLP) problems, successful solutions to these problems rely heavily on large amounts of annotated samples. Ho…

cs.CL2020

Intrinsically Motivated Compositional Language Emergence

Rishi Hazra, Sonu Dixit, Sayambhu Sen

Recently, there has been a great deal of research in emergent communication on artificial agents interacting in simulated environments. Recent studies have revealed that, in genera…

cs.MA2020★ 10 cited

Networked Multi-Agent Reinforcement Learning with Emergent Communication

Shubham Gupta, Rishi Hazra, Ambedkar Dukkipati

Multi-Agent Reinforcement Learning (MARL) methods find optimal policies for agents that operate in the presence of other learning agents. Central to achieving this is how the agent…