Tusher Chakraborty

Principal Research Manager in M365 Copilot Tuning

Publications

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- SibylSense: Adaptive Rubric Learning via Memory Tuning and Adversarial Probing
  
  Yifei Xu, Guilherme Potje, Shivam Shandilya, Tiancheng Yuan, Leonardo de Oliveira Nunes, Rakshanda Agarwal, Saeid Asgari, Adam Atkinson, Songwu Lu, Emre Kiciman, Ranveer Chandra, Tusher Chakraborty
  
  February 2026
  
  Preprint
- Orchestration for Domain-specific Edge-Cloud Language Models
  
  Prasoon Patidar, Alex Crown, Kevin Hsieh, Yifei Xu, Tusher Chakraborty, Ranveer Chandra, Yuvraj Agarwal
  
  July 2025
  
  DOI Publication Publication
- Direct Reasoning Optimization: Constrained RL with Token-Level Dense Reward and Rubric-Gated Constraints for Open-ended Tasks
  
  Yifei Xu, Tusher Chakraborty, Srinagesh Sharma, Leonardo Nunes, Swati Sharma, Kate Drakos Demopulos, Emre Kiciman, Songwu Lu, Ranveer Chandra
  
  Arxiv | June 2025
  
  Preprint
- RLTHF: Targeted Human Feedback for LLM Alignment
  
  Yifei Xu, Tusher Chakraborty, Emre Kiciman, Bibek Aryal, Eduardo Rodrigues, Srinagesh Sharma, Roberto Estevao, Maria Angels de Luis Balaguer, Jessica Wolk, Rafael Padilha, Leonardo Nunes, Shobana Balakrishna, Songwu Lu, Ranveer Chandra
  
  ICML'25 | February 2025
  
  PDF
- CosMAC: Constellation-Aware Medium Access and Scheuduling for IoT Satellites
  
  Jayanth Shenoy, Om Chabra, Tusher Chakraborty, Suraj Jog, Deepak Vasisth, Ranveer Chandra
  
  ACM MobiCom | November 2024
  
  Best Community Paper Award
  
  Publication Project Project
- Spectrumize: Spectrum-efficient Satellite Networks for the Internet of Things
  
  Vaibhav Singh, Tusher Chakraborty, Suraj Jog, Om Chabra, Deepak Vasisht , Ranveer Chandra
  
  USENIX NSDI | April 2024
  
  Publication Project Project
- Re-Inventing the Food Supply Chain with IoT: A Data-Driven Solution to Reduce Food Loss
  
  Vaishnavi Ranganathan, Peeyush Kumar, Upinder Kaur, Sarah Li, Tusher Chakraborty, Ranveer Chandra
  
  IEEE Internet of Things Magazine | May 2022
  
  Publication Project Project
- Whisper: IoT in the TV White Space Spectrum
  
  Tusher Chakraborty, Heping Shi, Zerina Kapetanovic, Bodhi Priyantha, Deepak Vasisht, Andrew Nelson, Parag Pandit, Prasad Pillai, Yaswant Chabria, Binh Vu, Ranveer Chandra
  
  USENIX NSDI 2022 | March 2022
  
  Publication Project Project Project
- Democratizing Data-Driven Agriculture Using Affordable Hardware
  
  Ranveer Chandra, Swami Manohar, Tusher Chakraborty, Jian Ding, Zerina Kapetanovic, Peeyush Kumar, Deepak Vasisht
  
  IEEE Micro | January 2022, Vol 42(1): pp. 69-77
  
  Publication Project Project Project
- FarmBeats: Improving Farm Productivity Using Data-Driven Agriculture
  
  Zerina Kapetanovic, Ranveer Chandra, Tusher Chakraborty, Andrew Nelson
  
  SIAM News | July 2019
  
  https://sinews.siam.org/Details-Page/farmbeats-improving-farm-productivity-using-data-driven-agriculture
  
  Publication Github Project Project
- Fall-curve: A novel primitive for IoT Fault Detection and Isolation
  
  Tusher Chakraborty, Akshay Nambi, Ranveer Chandra, Rahul Sharma, Swami Manohar, Zerina Kapetanovic, Jonathan Appavoo
  
  ACM SenSys | November 2018
  
  Publication Project Project Project
- Sensor Identification and Fault Detection in IoT Systems
  
  Tusher Chakraborty, Akshay Nambi, Rahul Sharma, Ranveer Chandra, Swami Manohar, Zerina Kapetanovic
  
  ACM SenSys (Demo) | November 2018
  
  Publication Project Project Project

- SibylSense: Adaptive Rubric Learning via Memory Tuning and Adversarial Probing
  
  Yifei Xu, Guilherme Potje, Shivam Shandilya, Tiancheng Yuan, Leonardo de Oliveira Nunes, Rakshanda Agarwal, Saeid Asgari, Adam Atkinson, Songwu Lu, Emre Kiciman, Ranveer Chandra, Tusher Chakraborty
  
  February 2026
  
  Preprint
- Orchestration for Domain-specific Edge-Cloud Language Models
  
  Prasoon Patidar, Alex Crown, Kevin Hsieh, Yifei Xu, Tusher Chakraborty, Ranveer Chandra, Yuvraj Agarwal
  
  July 2025
  
  DOI Publication Publication
- Direct Reasoning Optimization: Constrained RL with Token-Level Dense Reward and Rubric-Gated Constraints for Open-ended Tasks
  
  Yifei Xu, Tusher Chakraborty, Srinagesh Sharma, Leonardo Nunes, Swati Sharma, Kate Drakos Demopulos, Emre Kiciman, Songwu Lu, Ranveer Chandra
  
  Arxiv | June 2025
  
  Preprint
- RLTHF: Targeted Human Feedback for LLM Alignment
  
  Yifei Xu, Tusher Chakraborty, Emre Kiciman, Bibek Aryal, Eduardo Rodrigues, Srinagesh Sharma, Roberto Estevao, Maria Angels de Luis Balaguer, Jessica Wolk, Rafael Padilha, Leonardo Nunes, Shobana Balakrishna, Songwu Lu, Ranveer Chandra
  
  ICML'25 | February 2025
  
  PDF
- Re-Inventing the Food Supply Chain with IoT: A Data-Driven Solution to Reduce Food Loss
  
  Vaishnavi Ranganathan, Peeyush Kumar, Upinder Kaur, Sarah Li, Tusher Chakraborty, Ranveer Chandra
  
  IEEE Internet of Things Magazine | May 2022
  
  Publication Project Project
- CosMAC: Constellation-Aware Medium Access and Scheuduling for IoT Satellites
  
  Jayanth Shenoy, Om Chabra, Tusher Chakraborty, Suraj Jog, Deepak Vasisth, Ranveer Chandra
  
  ACM MobiCom | November 2024
  
  Best Community Paper Award
  
  Publication Project Project
- Spectrumize: Spectrum-efficient Satellite Networks for the Internet of Things
  
  Vaibhav Singh, Tusher Chakraborty, Suraj Jog, Om Chabra, Deepak Vasisht , Ranveer Chandra
  
  USENIX NSDI | April 2024
  
  Publication Project Project
- Re-Inventing the Food Supply Chain with IoT: A Data-Driven Solution to Reduce Food Loss
  
  Vaishnavi Ranganathan, Peeyush Kumar, Upinder Kaur, Sarah Li, Tusher Chakraborty, Ranveer Chandra
  
  IEEE Internet of Things Magazine | May 2022
  
  Publication Project Project
- Whisper: IoT in the TV White Space Spectrum
  
  Tusher Chakraborty, Heping Shi, Zerina Kapetanovic, Bodhi Priyantha, Deepak Vasisht, Andrew Nelson, Parag Pandit, Prasad Pillai, Yaswant Chabria, Binh Vu, Ranveer Chandra
  
  USENIX NSDI 2022 | March 2022
  
  Publication Project Project Project
- Democratizing Data-Driven Agriculture Using Affordable Hardware
  
  Ranveer Chandra, Swami Manohar, Tusher Chakraborty, Jian Ding, Zerina Kapetanovic, Peeyush Kumar, Deepak Vasisht
  
  IEEE Micro | January 2022, Vol 42(1): pp. 69-77
  
  Publication Project Project Project
- FarmBeats: Improving Farm Productivity Using Data-Driven Agriculture
  
  Zerina Kapetanovic, Ranveer Chandra, Tusher Chakraborty, Andrew Nelson
  
  SIAM News | July 2019
  
  https://sinews.siam.org/Details-Page/farmbeats-improving-farm-productivity-using-data-driven-agriculture
  
  Publication Github Project Project
- Fall-curve: A novel primitive for IoT Fault Detection and Isolation
  
  Tusher Chakraborty, Akshay Nambi, Ranveer Chandra, Rahul Sharma, Swami Manohar, Zerina Kapetanovic, Jonathan Appavoo
  
  ACM SenSys | November 2018
  
  Publication Project Project Project
- Sensor Identification and Fault Detection in IoT Systems
  
  Tusher Chakraborty, Akshay Nambi, Rahul Sharma, Ranveer Chandra, Swami Manohar, Zerina Kapetanovic
  
  ACM SenSys (Demo) | November 2018
  
  Publication Project Project Project
- Re-Inventing the Food Supply Chain with IoT: A Data-Driven Solution to Reduce Food Loss
  
  Vaishnavi Ranganathan, Peeyush Kumar, Upinder Kaur, Sarah Li, Tusher Chakraborty, Ranveer Chandra
  
  IEEE Internet of Things Magazine | May 2022
  
  Publication Project Project
- Re-Inventing the Food Supply Chain with IoT: A Data-Driven Solution to Reduce Food Loss
  
  Vaishnavi Ranganathan, Peeyush Kumar, Upinder Kaur, Sarah Li, Tusher Chakraborty, Ranveer Chandra
  
  IEEE Internet of Things Magazine | May 2022
  
  Publication Project Project
- Fall-curve: A novel primitive for IoT Fault Detection and Isolation
  
  Tusher Chakraborty, Akshay Nambi, Ranveer Chandra, Rahul Sharma, Swami Manohar, Zerina Kapetanovic, Jonathan Appavoo
  
  ACM SenSys | November 2018
  
  Publication Project Project Project
- Sensor Identification and Fault Detection in IoT Systems
  
  Tusher Chakraborty, Akshay Nambi, Rahul Sharma, Ranveer Chandra, Swami Manohar, Zerina Kapetanovic
  
  ACM SenSys (Demo) | November 2018
  
  Publication Project Project Project

- SibylSense: Adaptive Rubric Learning via Memory Tuning and Adversarial Probing
  
  Yifei Xu, Guilherme Potje, Shivam Shandilya, Tiancheng Yuan, Leonardo de Oliveira Nunes, Rakshanda Agarwal, Saeid Asgari, Adam Atkinson, Songwu Lu, Emre Kiciman, Ranveer Chandra, Tusher Chakraborty
  
  February 2026
  
  Preprint
- Orchestration for Domain-specific Edge-Cloud Language Models
  
  Prasoon Patidar, Alex Crown, Kevin Hsieh, Yifei Xu, Tusher Chakraborty, Ranveer Chandra, Yuvraj Agarwal
  
  July 2025
  
  DOI Publication Publication
- Direct Reasoning Optimization: Constrained RL with Token-Level Dense Reward and Rubric-Gated Constraints for Open-ended Tasks
  
  Yifei Xu, Tusher Chakraborty, Srinagesh Sharma, Leonardo Nunes, Swati Sharma, Kate Drakos Demopulos, Emre Kiciman, Songwu Lu, Ranveer Chandra
  
  Arxiv | June 2025
  
  Preprint
- RLTHF: Targeted Human Feedback for LLM Alignment
  
  Yifei Xu, Tusher Chakraborty, Emre Kiciman, Bibek Aryal, Eduardo Rodrigues, Srinagesh Sharma, Roberto Estevao, Maria Angels de Luis Balaguer, Jessica Wolk, Rafael Padilha, Leonardo Nunes, Shobana Balakrishna, Songwu Lu, Ranveer Chandra
  
  ICML'25 | February 2025
  
  PDF
- CosMAC: Constellation-Aware Medium Access and Scheuduling for IoT Satellites
  
  Jayanth Shenoy, Om Chabra, Tusher Chakraborty, Suraj Jog, Deepak Vasisth, Ranveer Chandra
  
  ACM MobiCom | November 2024
  
  Best Community Paper Award
  
  Publication Project Project
- Spectrumize: Spectrum-efficient Satellite Networks for the Internet of Things
  
  Vaibhav Singh, Tusher Chakraborty, Suraj Jog, Om Chabra, Deepak Vasisht , Ranveer Chandra
  
  USENIX NSDI | April 2024
  
  Publication Project Project
- Whisper: IoT in the TV White Space Spectrum
  
  Tusher Chakraborty, Heping Shi, Zerina Kapetanovic, Bodhi Priyantha, Deepak Vasisht, Andrew Nelson, Parag Pandit, Prasad Pillai, Yaswant Chabria, Binh Vu, Ranveer Chandra
  
  USENIX NSDI 2022 | March 2022
  
  Publication Project Project Project
- Fall-curve: A novel primitive for IoT Fault Detection and Isolation
  
  Tusher Chakraborty, Akshay Nambi, Ranveer Chandra, Rahul Sharma, Swami Manohar, Zerina Kapetanovic, Jonathan Appavoo
  
  ACM SenSys | November 2018
  
  Publication Project Project Project
- Sensor Identification and Fault Detection in IoT Systems
  
  Tusher Chakraborty, Akshay Nambi, Rahul Sharma, Ranveer Chandra, Swami Manohar, Zerina Kapetanovic
  
  ACM SenSys (Demo) | November 2018
  
  Publication Project Project Project
- Re-Inventing the Food Supply Chain with IoT: A Data-Driven Solution to Reduce Food Loss
  
  Vaishnavi Ranganathan, Peeyush Kumar, Upinder Kaur, Sarah Li, Tusher Chakraborty, Ranveer Chandra
  
  IEEE Internet of Things Magazine | May 2022
  
  Publication Project Project
- Democratizing Data-Driven Agriculture Using Affordable Hardware
  
  Ranveer Chandra, Swami Manohar, Tusher Chakraborty, Jian Ding, Zerina Kapetanovic, Peeyush Kumar, Deepak Vasisht
  
  IEEE Micro | January 2022, Vol 42(1): pp. 69-77
  
  Publication Project Project Project
- FarmBeats: Improving Farm Productivity Using Data-Driven Agriculture
  
  Zerina Kapetanovic, Ranveer Chandra, Tusher Chakraborty, Andrew Nelson
  
  SIAM News | July 2019
  
  https://sinews.siam.org/Details-Page/farmbeats-improving-farm-productivity-using-data-driven-agriculture
  
  Publication Github Project Project

Tusher Chakraborty

Publications

SibylSense: Adaptive Rubric Learning via Memory Tuning and Adversarial Probing

Orchestration for Domain-specific Edge-Cloud Language Models

Direct Reasoning Optimization: Constrained RL with Token-Level Dense Reward and Rubric-Gated Constraints for Open-ended Tasks

RLTHF: Targeted Human Feedback for LLM Alignment

CosMAC: Constellation-Aware Medium Access and Scheuduling for IoT Satellites

Spectrumize: Spectrum-efficient Satellite Networks for the Internet of Things

Re-Inventing the Food Supply Chain with IoT: A Data-Driven Solution to Reduce Food Loss

Whisper: IoT in the TV White Space Spectrum

Democratizing Data-Driven Agriculture Using Affordable Hardware

FarmBeats: Improving Farm Productivity Using Data-Driven Agriculture

Fall-curve: A novel primitive for IoT Fault Detection and Isolation

Sensor Identification and Fault Detection in IoT Systems

SibylSense: Adaptive Rubric Learning via Memory Tuning and Adversarial Probing

Orchestration for Domain-specific Edge-Cloud Language Models

Direct Reasoning Optimization: Constrained RL with Token-Level Dense Reward and Rubric-Gated Constraints for Open-ended Tasks

RLTHF: Targeted Human Feedback for LLM Alignment

Re-Inventing the Food Supply Chain with IoT: A Data-Driven Solution to Reduce Food Loss

CosMAC: Constellation-Aware Medium Access and Scheuduling for IoT Satellites

Spectrumize: Spectrum-efficient Satellite Networks for the Internet of Things

Re-Inventing the Food Supply Chain with IoT: A Data-Driven Solution to Reduce Food Loss

Whisper: IoT in the TV White Space Spectrum

Democratizing Data-Driven Agriculture Using Affordable Hardware

FarmBeats: Improving Farm Productivity Using Data-Driven Agriculture

Fall-curve: A novel primitive for IoT Fault Detection and Isolation

Sensor Identification and Fault Detection in IoT Systems

Re-Inventing the Food Supply Chain with IoT: A Data-Driven Solution to Reduce Food Loss

Re-Inventing the Food Supply Chain with IoT: A Data-Driven Solution to Reduce Food Loss

Fall-curve: A novel primitive for IoT Fault Detection and Isolation

Sensor Identification and Fault Detection in IoT Systems

SibylSense: Adaptive Rubric Learning via Memory Tuning and Adversarial Probing

Orchestration for Domain-specific Edge-Cloud Language Models

Direct Reasoning Optimization: Constrained RL with Token-Level Dense Reward and Rubric-Gated Constraints for Open-ended Tasks

RLTHF: Targeted Human Feedback for LLM Alignment

CosMAC: Constellation-Aware Medium Access and Scheuduling for IoT Satellites

Spectrumize: Spectrum-efficient Satellite Networks for the Internet of Things

Whisper: IoT in the TV White Space Spectrum

Fall-curve: A novel primitive for IoT Fault Detection and Isolation

Sensor Identification and Fault Detection in IoT Systems

Re-Inventing the Food Supply Chain with IoT: A Data-Driven Solution to Reduce Food Loss

Democratizing Data-Driven Agriculture Using Affordable Hardware

FarmBeats: Improving Farm Productivity Using Data-Driven Agriculture