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Galway, Ireland  ·   ·  He/him
LinkedIn  ·  Huggingface  ·  Google Scholar  ·  Github

Research Profile

My research focuses on representing, extracting, and reasoning about opinions in text, specifically on unifying the existing representations with ontology-driven methods. Alongside this, we continue experimenting with scalable, LLM-based annotation alternatives. My broader interests include subjective language understanding, “learning from disagreement” and knowledge-grounded NLP.

Research Experience

Doctoral Researcher, University of Galway Sept 2022 – Present
Thesis: Unified Opinion Representation and Extraction (expected defence: Oct 2026); supervisor: Prof. Paul Buitelaar

  • Formalised the Unified Opinion Concepts (UOC) ontology, unifying heterogeneous opinion-mining schemas; proposed the UOCE extraction task with an evaluation dataset and tailored metrics.

  • Built LLM-based annotation and adjudication pipelines for fine-grained opinion analysis; released the resulting models and datasets on HuggingFace.

  • Developed linguistically enhanced extraction models, and integrated opinion semantics into GNN classifiers for downstream emotion analysis.

Visiting Researcher, University of Oslo Jan 2025 – Feb 2025
Language Technology Group (LTG)
Collaborated on a system for the extraction of narrative roles from text, under the supervision of Prof. Lilja Øvrelid.

Research Assistant, Data Science Institute (DSI), Galway Aug 2021 – Aug 2022
Machine Learning, AI, Natural Language Processing, Semantic Web

  • PANDEM-2 (EU H2020): suggestion mining, sentiment/emotion analysis, and aspect mining of social media posts, enabling two-way communication between the public and pandemic-management authorities.

  • Designed, trained, and deployed neural models end-to-end (TensorFlow, TensorFlow Serving, Docker).

  • Term and taxonomy extraction; corpus collection.

Work Experience

Software Engineer, Centre for Development of Advanced Computing, Pune Sept 2018 – June 2021
Education, Training and Research, Online Examination & Registration Portals

  • Data processing, consistency checks, and BI dashboards (Grafana, Plotly) for national-scale IAF examination platforms (STAR, AFCAT).

  • Built an automated help-desk chatbot (RASA) and content-based image-validation services (classification/detection models served as RESTful APIs).

  • Containerised deployment of applications and models.

Teaching

Teaching Assistant, University of Galway 2022 – 2024

  • Introduction to NLP (3 semesters)

  • Advanced Topics in NLP (1 semester)

Academic Service

Shared-Task Co-Organizer, WILDRE-7 Shared Task on Code-Mixed Sentiment Analysis 2024
LREC-COLING 2024 — Configured and managed the CodaLab evaluation platform for task participants.

Education

PhD in Computer Science & Engineering 2022 – present
University of Galway, Ireland (expected defence: Oct 2026)

Post Graduate Diploma in Big Data Analytics 2018
Centre for Development of Advanced Computing (C-DAC), Pune, India

Bachelor of Technology in Electronics and Communication 2013 – 2017
THDC Institute of Hydropower Engineering and Technology, Tehri, India

Technical Skills

Programming Languages: Python, Scala, Java

Data Visualisation: Plotly, Grafana, Matplotlib, Streamlit

Data Engineering: Pandas, Elastic Search (ELK) stack, MongoDB, PostgreSQL

Web Frameworks: Scalatra, Play Framework

Machine Learning/AI Tools: PyTorch, Transformers, HuggingFace, vLLM, DSPy, Weights & Biases, scikit-learn, spaCy, RASA, TensorFlow ecosystem (Keras, TensorBoard, Serving)

Misc.: Docker, GitHub, OpenCV

Publications

Languages

Hindi (Native), English (Full professional proficiency)