collaborators

5 papers

cs.SE2026

Context-as-AI-Service: Surfacing Cross-File Dependency Chains for LLM-Generated Developer Documentation

Ameya Gawde, Vyzantinos Repantis, Harshvardhan Singh +1

LLM agents increasingly write and maintain developer documentation, but usefulness and accuracy often rely on dependency chains that are not obvious to follow. Even with more files…

cs.LG2026

Decoy-Calibrated Failure Audits for Language Models

Vyzantinos Repantis, Ameya Gawde, Harshvardhan Singh

Useful audits reveal not only how often a model fails, but also where its failures concentrate. An auditor may test many candidate explanations: long inputs, indirect questions, di…

cs.IR2026

How Many Tools Should an LLM Agent See? A Chance-Corrected Answer

Vyzantinos Repantis, Ameya Gawde, Harshvardhan Singh +1

Before an LLM agent can use a tool, a retrieval system must decide which candidate tools to show to the agent. How long should that shortlist be? Show too many tools and the model…

cs.CL2026

Separating Semantic Competition from Context Length in RAG Reading

Vyzantinos Repantis, Ameya Gawde, Harshvardhan Singh +4

Retrieval-augmented generation (RAG) systems can respond incorrectly even when the correct passage was retrieved. The model must still read the retrieved passages and identify whic…

cs.IR2026

The 99% Success Paradox: When Near-Perfect Retrieval Equals Random Selection

Vyzantinos Repantis, Harshvardhan Singh, Tony Joseph +5

For most of the history of information retrieval (IR), search results were designed for human consumers who could scan, filter, and discard irrelevant information on their own. Thi…