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researcher

Andrew Xu

4 papers hereh-index 126 citations4 works total

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

author position
  • middle author1
  • last author3

Across the 4 of 4 papers where every author was matched, so the position is known.

fields
  • cs.AI1
  • cs.DS1
  • cs.IR1
  • cs.LG1

identity via Semantic Scholar / OpenAlex

activity
20242026
most citedRankLLM: A Python Package for Reranking with LLMs

1 citations · 1 across the 4 of their papers we have counts for

collaborators

4 papers

cs.LG2026

AllocBench: Measuring Online Tool Allocation Capability in LLM Agents

Daniel Wang, Andrew Xu

Creating a reusable tool is an investment: an agent pays a fixed cost now in exchange for the potential of future reuse. Therefore, a user should prefer an agent that creates a sma…

cs.AI2026

Lomekwi: Resource-Bounded Tool Discovery in LLM Agents

Roshan Klein-Seetharaman, Daniel Wang, Andrew Xu

Existing tool-use benchmarks report a single success rate for complex, multistep tasks. Inspired by ideas from cognitive science, we distinguish tool use from tool discovery and de…

cs.IR2025★ 1 cited

RankLLM: A Python Package for Reranking with LLMs

Sahel Sharifymoghaddam, Ronak Pradeep, Andre Slavescu +7

The adoption of large language models (LLMs) as rerankers in multi-stage retrieval systems has gained significant traction in academia and industry. These models refine a candidate…

cs.DS2024

Centralized Selection with Preferences in the Presence of Biases

L. Elisa Celis, Amit Kumar, Nisheeth K. Vishnoi +1

This paper considers the scenario in which there are multiple institutions, each with a limited capacity for candidates, and candidates, each with preferences over the institutions…

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