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researcher

Haruka Kiyohara

16 papers hereh-index 9258 citations19 works total

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

author position
  • first author10
  • middle author6

Across the 16 of 16 papers where every author was matched, so the position is known.

fields
  • cs.LG8
  • stat.ML5
  • cs.AI1
  • cs.GT1
  • cs.IR1

identity via Semantic Scholar / OpenAlex

activity
20212026
most citedDoubly Robust Off-Policy Evaluation for Ranking Policies under the Cascade Behavior Model

38 citations · 88 across the 15 of their papers we have counts for

collaborators
Showing cs.IRShow all

1 paper · 1 filter

cs.IR2026

Credit-assigned Policy Gradient for Early Stage Retrieval in Two-stage Ranking

Haruka Kiyohara, Mihaela Curmei, Ariel Evnine +7

Large-scale search, recommendation, and retrieval-augmented generation (RAG) systems typically employ a two-stage architecture: an early-stage ranker (ESR) generates a candidate se…

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