Shivam Ratnakar
Shivam Ratnakar has 3 papers in our library, in 2026, most of them on Language models & pretraining, Knowledge graphs & ontologies, Information retrieval & search.
OpenAlex · h-index 1 · 13 works · 4 citations OpenAlex, 2026-10-14
Affiliations
Fields, topics and concepts
📚 Shelves 7The field of science this work belongs to (OpenAlex fields).Artificial Intelligence · 3 worksArts and Humanities · 3 worksComputer Science · 3 worksLanguage and Linguistics · 3 worksInformation Systems · 1 workSafety Research · 1 workSocial Sciences · 1 work
🧭 Topics 5Research subjects and languages the work is about.Language models & pretraining · 2 worksBias, fairness & safety · 1 workInformation retrieval & search · 1 workInterpretability · 1 workKnowledge graphs & ontologies · 1 work
Works by year
2020s
Papers
- LatentGate: Low-Latency Semantic Routing via Frozen-Backbone Probing of Small Language Models (2026)
In a multi-agent system with about a hundred agents, choosing the right agent for each request becomes a bottleneck. - One Retrieval to Cover Them All: Co-occurrence-Aware Knowledge Base Reorganization for Session-Level RAG (2026)
Retrieval-augmented generation is usually tuned to answer one question at a time. Enterprise support users, however, tend to arrive with a whole episode of connected needs, and the documents relevant to that episode often sit far apart in embedding space. The authors frame this as a session problem and propose two… - The Geometry of Refusal: Linear Instability in Safety-Aligned LLMs (2026)
The paper asks whether refusal in safety-aligned LLMs reflects deep semantic judgment or a shallow linear feature that can be manipulated.
Venues
- Annual Meeting of the Association for Computational Linguistics (ACL): ACL 2026
- Workshop on Towards Knowledgeable Foundation Models: Workshop on Towards Knowledgeable Foundation Models 2026
- Workshop on Trustworthy NLP: Workshop on Trustworthy NLP 2026
Updated
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