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researcher

Zhen Han

7 papers hereh-index 460 citations9 works total

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

author position
  • middle author7

Across the 7 of 7 papers where every author was matched, so the position is known.

fields
  • cs.CL3
  • cs.LG2
  • cs.AI1
  • cs.IR1
same name
  • Zhen Han — 14 papers, h 10
  • Zhen Han — 11 papers, h 9
  • Zhen Han — 7 papers, h 11
  • Zhen Han — 7 papers, h 3
  • Zhen Han — 6 papers, h 3
  • Zhen Han — 4 papers, h 3

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
20242026
most citedHierarchical Lexical Graph for Enhanced Multi-Hop Retrieval

1 citations · 1 across the 5 of their papers we have counts for

collaborators
Showing 2025Show all

2 papers · 1 filter

cs.CL2025

BYOKG-RAG: Multi-Strategy Graph Retrieval for Knowledge Graph Question Answering

Costas Mavromatis, Soji Adeshina, Vassilis N. Ioannidis +6

Knowledge graph question answering (KGQA) presents significant challenges due to the structural and semantic variations across input graphs. Existing works rely on Large Language M…

cs.IR2025★ 1 cited

Hierarchical Lexical Graph for Enhanced Multi-Hop Retrieval

Abdellah Ghassel, Ian Robinson, Gabriel Tanase +6

Retrieval-Augmented Generation (RAG) grounds large language models in external evidence, yet it still falters when answers must be pieced together across semantically distant docum…

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