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Sajad Ebrahimi

University of Toronto

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#artificial intelligence Preprint Sep 2026

A Benchmark&Dataset for Detecting AI-Manipulated Visual Evidence in the Court System

Photographic evidence is becoming increasingly vulnerable to forms of alteration and fabrication that existing legal and technical workflows are not well equipped to evaluate. Surveillance frames, dashcam stills, and phone photographs may be used to establish presence, sequence, causation, damage, or identity, yet cont...

Kelly McConvey, Sajad Ebrahimi, Nima Jamali et al. · 0 citations
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

QueryRoute is introduced, a benchmark that freezes the expensive artifacts needed to study this inference-time decision problem reproducibly: original queries, generated variants, ranked lists under multiple retrievers, retrieval scores, and per-query oracle labels.

Hai-Son Le, Negar Arabzadeh, Amin Bigdeli et al. · 0 citations

Peerify: Benchmarking Peer-Review Claim Verification

The results demonstrate the importance of retrieval-centered verification and claim decomposition, while highlighting the challenges posed by ambiguous and interpretive reviewer claims.

Alireza Daghighfarsoodeh, Sajad Ebrahimi, A. Ghorbanpour et al. · 0 citations

Judging a Review by its Cover: A Reliability Analysis of LLM-based Peer Review Evaluation Metrics

Findings show that many peer-review evaluation metrics partially conflate review quality with linguistic presentation, and indicate that robustness to meaning-preserving rewriting should be validated before such metrics are used to compare human-written, AI-assisted, and AI-generated reviews.

Shakiba Amirshahi, Sajad Ebrahimi, Hai-Son Le 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
Book Open access Jul 2026

From Doxa to Logos in Scientific Peer Review

Reviewerly's retrieval-centered infrastructure for auditing peer review at scale is presented and three deployed systems are described, including three deployed systems that analyzes hybrid human--AI authorship by disentangling the origin of ideas from the origin of text in peer reviews, enabling measurement of how hum...

Negar Arabzadeh, Sajad Ebrahimi, Alireza Daghighfarsoodeh et al. · 1 citation

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