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researcher

A. Ustun

34 papers hereh-index 181.9k citations42 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author5
  • middle author26
  • last author2

Across the 33 of 34 papers where every author was matched, so the position is known.

fields
  • cs.CL30
  • cs.AI2
  • cs.LG2
same name
  • A. Ustun — 1 paper, h 9

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20172026
most citedPushing Mixture of Experts to the Limit: Extremely Parameter Efficient MoE for Instruction Tuning

11 citations · 55 across the 26 of their papers we have counts for

collaborators
Showing 2026Show all

2 papers · 1 filter

cs.CL2026

Agents Explore but Agents Ignore: LLMs Lack Environmental Curiosity

Leon Engländer, Sophia Althammer, Ahmet Üstün +2

LLM-based agents are assumed to integrate environmental observations into their reasoning: discovering highly relevant but unexpected information should naturally lead to a model e…

cs.CL2026

Tiny Aya: Bridging Scale and Multilingual Depth

Alejandro R. Salamanca, Diana Abagyan, Daniel D'souza +23

Tiny Aya redefines what a small multilingual language model can achieve. Trained on 70 languages and refined through region-aware posttraining, it delivers state-of-the-art in tran…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.