Sam Chakraborty

Sam Chakraborty MSc.

Doctoral Scholar @ Shanghai Jiao Tong University

Generative AI LLMs Computational Physics Complex Networks

Welcome

Welcome to my personal academic website. I am an AI researcher working at Shanghai Jiao Tong University specializing in AI4Science, Computational Fluid Dynamics, PDE solvers, Large Language Models, Network Science, and Agentic Systems. My work spans Language Models, Computational Intelligence, Decision Making, Cognition, Optimization, Game Research, and Physics-Informed ML.

I'm open to research and technical collaborations in Mainland Europe, China, Singapore and the US. If you work on AI in Science, Physics, Social Dynamics, or innovative deep learning/optimization, let's connect and push research boundaries together.

Research Interests

Generative AI & LLMs

Large Language Models, RAG, Multi-Agent Systems

Computational Physics

CFD, PDE Solvers, Physics-Informed ML

Complex Networks

Social Networks, Scientometrics, Graph Analysis

AI4Science

Scientific Computing, Simulations, Materials Design

Publications

My research contributions spanning AI, Network Science, Healthcare, and Computational Physics

View on Google Scholar
4 Journals
3 Conferences
2 Under Review
11 Total

Journal Publications

Journal

Comeback or dropout: study of discontinued researchers at early career stage

Gayen, A., Chakraborty, S., Mitra, S. and Jana, A.

Scientometrics pp. 1-36 2025
Journal

Influence of Multi-dimensional Social Capital on Structure of Scientific Collaboration Networks: MDSC@ SciCoNet

Gayen, A., Chakraborty, S., Chakraborty, N. and Jana, A.

SN Computer Science Vol. 6(5) pp. 394 2025
Journal

Trust@ Health: A Trust-Based Multilayered Network for Scalable Healthcare Service Management

Gayen, A., Chakraborty, S., Chakraborty, J. and Jana, A.

IEEE Access 2025
Journal

Enhancing wind energy forecasting in India: A site-specific comparative analysis of machine learning models and Weibull statistics using long-term data

Yadav, H.K., Chakraborty, S., Gupta, M.N., Bhattacharjee, A., Yadav, S., Sanyal, A.P., Sarkar, J. and Sarkar, A.

Sustainable Energy Technologies and Assessments Vol. 84 pp. 104735 2025

Under Review

Pending

PIBERT: A Physics-Informed Bi-directional Hybrid Spectral Transformer for Multiscale CFD Surrogate Modeling

Chakraborty, S., Ming, P., and Chen, X.

Journal of Computational Physics 2025
Under review
Pending

Machine learning assisted inverse design of low resistivity In–Ga–Sn–Zn oxide sputtering targets

Cheng, N., Chakraborty, S., Liu, X., Zhang, W., Liang, X., Zhao, H., Bi, W., Zhang, M., Sun, B., He, J. and Liu, Y.

Journal of Alloys and Compounds 2025
Under review

Conference Publications

Conference

Ml-HCN: A Novel Healthcare System Architecture Based on Multi-layered Network Approach

Gayen, A., Chakraborty, S., Chakraborty, J. and Jana, A.

15th Int. Conf. on Computing Communication & Networking Technologies (ICCCNT) IEEE 2024
Conference

How Can I Grow!!: Analysis of Co-authorship Network of Early Career Stage Researchers

Gayen, A., Chakraborty, S., Chakraborty, N. and Jana, A.

Int. Conf. on Smart Computing and Communication Springer pp. 341-351 2024
Conference

BioGraphVAE: A Bio-inspired Autoencoder for Structured Data Reconstruction

Chakraborty, S., Chakraborty, D., Mondal, K., Das, S., Jana, A. and Gayen, A.

2nd International Symposium on Artificial Intelligence and Internet of Things (AIIoT-25) 2025

Preprints

Preprint

MedicaNet: Trust based recommender system to recommend doctors with the help of symptoms

Gayen, A. and Chakraborty, S.

Computational Intelligence and Neuroscience Vol. 2020(8826557) 2020
Preprint

LLMPR: A Novel LLM-Driven Transfer Learning based Petition Ranking Model

Gayen, A., Chakraborty, S., Sen, M., Paul, S. and Jana, A.

arXiv preprint arXiv:2505.21689 2025

GitHub Projects

Explore my work in AI, Machine Learning, Computational Physics, and Web Development

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Education

My academic journey across three continents

Current

Doctor of Philosophy

LLMs & Computational Fluid Dynamics

Shanghai Jiao Tong University

Shanghai, China 2025 - 2029

Research focus on CFD, DEM, Simulations, LLMs, Physics Informed Machine Learning, and Computational Chemistry.

Honours

Master of Science

Data Science and Analytics

University College Cork

Cork, Ireland 2023 - 2024

Thesis: "Genchron Network Analytics tool for Medieval Literature Studies" (Honours). Modules included Deep Learning, Machine Learning, Statistical Modelling, Python for Data Science.

Bachelor of Technology

Computer Science & Engineering

Techno India University

Kolkata, India 2018 - 2022

Thesis: "Scoring SM Posts using Behavioural Inputs using Social Networks". Grade: 8.27/10

Experience

My professional journey across research, industry, and academia

Current Positions

CGS Doctoral Fellow (PhD)

Shanghai Jiao Tong University

Dept. of Chemical Engineering and Chemistry

Computer Scientist RA (Gen AI)

University College Cork

Dept. of Computer Science

Visiting Lecturer

Techno India University

Dept. of Computer Science and Engineering

Researcher

CAINS Labs

India

Industry Experience

Research

Research Assistant - AI Engineer (LLMs & GenAI)

University College Cork

Cork, Ireland 2024 - Present
  • Led 3 cross-domain R&D projects leveraging Large Language Models, improving scalability by 40%
  • Developed a visual analytics platform for 20+ datasets, boosting insight extraction by 50%
  • Designed LLM-based chatbot for real-time path accuracy using PostGIS, up by 15%
  • Integrated GCP map plugins for geospatial features, up by 30%
  • Evaluated chatbot responses with BLEU, ROUGE (35% improvement)
  • Implemented RAG-based approaches for better context awareness (25% improvement)
Industry

Fullstack Software Engineer - Cloud

Virtusa

Mumbai, India 2021 - 2023
  • Developed 2 SaaS-based cloud apps in ServiceNow environment, reducing manual processing by 40%
  • Led team of 8 in project development and system integration, cutting deployment time by 25%
  • Integrated payment gateways, MFA, and AWS/GCP services, raising security compliance by 50%

Academic Experience

Academic

Teaching Assistant

University College Cork - Dept. of Computer Science

Cork, Ireland 2023 - 2024
  • Conducted Lectures on Programming with Python I
  • Topics: Introduction to Python, Control Structures, Functions, Data Structures, Error Handling, OOP, APIs & Web Scraping, Data Processing, Visualization
  • Data Visualization & Machine Learning fundamentals
  • Storytelling with Data, Big Data Visualization, Dashboard Design
Academic

Google Developer Club (GDG) Mentor

Techno India University

Kolkata, India 2020 - 2022
  • Lectures on Machine Learning & Deep Learning with GCP
  • Data prep with BigQuery ML, model training, deployment on GCP
  • GCP Fundamentals, Compute & Storage, IAM, Cloud Functions, BigQuery, DevOps

Blog

Research insights, anecdotes, and reflections on my academic journey