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Author

Amin Bigdeli

University of Waterloo

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Preprint Sep 2026

Seek: Self-Evaluative Exploration for Knowledge Retrieval

seek, Self-Evaluative Exploration for Knowledge Retrieval, a training-free framework that addresses this limitation through iterative corpus interaction at test time through iterative corpus interaction at test time.

Amin Bigdeli, Radin Hamidi Rad, Negar Arabzadeh et al. · 0 citations
Preprint Sep 2026

Route Me If You Can: A Benchmark for Query Reformulation Selection

LLM-based query reformulation can improve retrieval, but no single reformulation strategy is consistently optimal across queries, domains, retrievers, or model backbones. This creates an inference-time decision problem: ``Given an original query and a pool of candidate reformulations, which one should be issued to the...

Hai-Son Le, Negar Arabzadeh, Amin Bigdeli et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Question's Gambit: The First Move Matters in Agentic Deep Search

Deep research agents answer complex questions through iterative loops of searching, reading, and reasoning. Recent work on reasoning-intensive benchmarks such as BrowseComp-Plus shows that well-configured lexical retrieval can surface high-quality evidence, yet agents may still fail to connect documents carrying eviden...

Radin Hamidi Rad, Amin Bigdeli, Negar Arabzadeh et al. · 0 citations

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