Author

Suraj Shetiya

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Jul 2026

Lower-Bound Distance Queries under Partial Information

Given a metric space graph G ( V, E ) in which only a subset of edge distances is known, we study a query-based model for answering lower bound distance queries on unknown edges, without access to any black-box distance oracle. For a queried pair of objects ( u, υ ) with unknown distance, the lower bound corres...

Swastika Biswas, Sohrab Namazi Nia, Jees Augustine et al. · Proceedings of the VLDB Endo... · 0 citations

#artificial intelligence Preprint Sep 2026

From Citations to Contributions: LLM-Assisted Credit Scoring of Research Articles

The contribution tree is proposed, a hierarchical framework that conserves importance across the document structure and separates original from citation-derived contribution, and is extended to article collections by propagating contributions through weighted citation graphs, yielding corpus-level contributions and nor...

Sana Ebrahimi, Suraj Shetiya, Abolfazl Asudeh · 0 citations

Preprint Jul 2026

HNSW with Accuracy Guarantees Using Graph Spanners

This paper proposes a novel "Certify-then-Rectify" framework that bridges the gap between the speed of heuristic search and the rigor of exact retrieval, and reinterprets the HNSW graph as a geometric spanner and utilizes Extreme Value Theory to stochastically estimate its maximum empirical stretch factor.

Minghao Li, Raghav Mittal, Sanjivni Rana et al. · 0 citations