Scholar
Chris Samarinas
Google Scholar ID: CdJEwOkAAAAJ
Ph.D. student, University of Massachusetts Amherst
Machine Learning
Natural Language Processing
Information Retrieval
Recommender Systems
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Citations & Impact
All-time
Citations
127
H-index
7
i10-index
3
Publications
12
Co-authors
17
list available
Contact
Email
chris.samarinas@gmail.com
CV
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Twitter
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GitHub
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LinkedIn
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Publications
4 items
Truncated Step-Level Sampling with Process Rewards for Retrieval-Augmented Reasoning
2026
Cited
0
Plan-and-Refine: Diverse and Comprehensive Retrieval-Augmented Generation
2025
Cited
0
Distillation and Refinement of Reasoning in Small Language Models for Document Re-ranking
2025
Cited
0
Beyond Factual Accuracy: Evaluating Coverage of Diverse Factual Information in Long-form Text Generation
2025
Cited
0
Resume (English only)
Academic Achievements
Paper 'Distillation and Refinement of Reasoning in Small Language Models for Document Re-ranking' accepted at ICTIR 2025
Paper 'Beyond Factual Accuracy: Evaluating Coverage of Diverse Factual Information in Long-form Text Generation' accepted at ACL 2025
Paper 'ProCIS: A Benchmark for Proactive Retrieval in Conversations' accepted at SIGIR 2024
Paper 'Revisiting Open Domain Query Facet Extraction and Generation' accepted at ICTIR 2022
Paper 'Improving Evidence Retrieval for Automated Explainable Fact-checking' accepted at NAACL 2021
Paper 'Latent Retrieval for Large-Scale Fact-Checking and QA' accepted at IEEE ICTAI 2020
Developed MarunaBot series of task-oriented dialogue systems, published in Alexa Prize Taskbot Challenge 2021/2022
Awarded SIGIR travel grant to attend ICTIR 2022
Research Experience
Applied Scientist Intern at Amazon (Summer 2024 & 2025), working on generative ranking
Machine Learning Research Intern at Netflix (Spring 2025), focusing on conversational search
Research Intern at Adobe Research (Summer 2022), working on multi-step dense retrieval
Worked at Ro5 on biomedical knowledge graphs
Developed fact-checking systems at National University of Singapore (NUS)
Built semantic search for finance at Plural AI
Worked on contextual recommendations at Donaco
Led UMass team in Alexa Prize Taskbot Challenge 2 (2023)
Co-authors
17 total
Hamed Zamani
Associate Professor of Computer Science, University of Massachusetts Amherst
Wynne HSU
Professor of Computer Science, National Univeristy of Singapore
Mong Li Lee
Professor of Computer Science, National University of Singapore
Co-author 4
Atharva Nijasure
PhD Student, UMass Amherst
Hansi Zeng
University of Massachusetts Amherst
Co-author 7
Alireza Salemi
PhD student at University of Massachusetts Amherst
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