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Johanna Walker

3 papers hereh-index 320 citations9 works total

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

author position
  • middle author3

Across the 3 of 3 papers where every author was matched, so the position is known.

fields
  • cs.DB1
  • cs.HC1
  • cs.IR1

identity via Semantic Scholar / OpenAlex

activity
20242026
most citedKeywords are not always the key: A metadata field analysis for natural language search on open data portals

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

collaborators

3 papers

cs.DB2026

Less Is More? When Dataset Context Hurts LLM-Generated Dataset Descriptions

Lisa-Yao Gan, Arunav Das, Johanna Walker +2

Dataset search and reuse are strongly constrained by the quality of metadata such as natural language descriptions, which are often sparse or inconsistent. Although large language…

cs.IR2025★ 1 cited

Keywords are not always the key: A metadata field analysis for natural language search on open data portals

Lisa-Yao Gan, Arunav Das, Johanna Walker +1

Open data portals are essential for providing public access to open datasets. However, their search interfaces typically rely on keyword-based mechanisms and a narrow set of metada…

cs.HC2024

Knowledge Prompting: How Knowledge Engineers Use Large Language Models

Elisavet Koutsiana, Johanna Walker, Michelle Nwachukwu +3

Despite many advances in knowledge engineering (KE), challenges remain in areas such as engineering knowledge graphs (KGs) at scale, keeping up with evolving domain knowledge, mult…

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