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Author

Anett Hoppe

Leibniz Information Centre for Science and Technology (TIB), Hannver

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#small language model Book Open access Oct 2026

Real-Time, Context-Specific Educational Metadata Enrichment of Learning Resources on the Web

This work investigates whether Large Language Model-generated labels and paraphrases can train small, fast classifiers for this task, and reports on evaluation for six properties currently relies on LLM-generated labels validated against a 50-page human-annotated sample.

Ratan J. Sebastian, Anett Hoppe · 0 citations
#small language model Book Open access Oct 2026

Real-Time, Context-Specific Educational Metadata Enrichment of Learning Resources on the Web

Web resources rarely carry the educational metadata that teachers use to judge whether a resource fits their lesson, and dedicated educational repositories that do carry it cover only a fraction of what teachers find through web search. Closing this gap in real time, at the point of search, requires classifiers that ar...

Ratan J. Sebastian, Anett Hoppe · 0 citations
Preprint Jul 2026

Using Hierarchical Controlled Vocabularies to Understand CLIP Retrieval Failures in Historical Photo Collections

It is found that visual coherence and text-image alignment are nearly uncorrelated across terms and jointly separate distinct failure modes, and fine-tuning improves retrieval overall, but its gains favour shallower terms in the hierarchy, where text-image alignment improves most, beyond what concept frequency explains...

Ratan J. Sebastian, Anett Hoppe, Christoph Rippe et al. · 0 citations

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