Author

Gianmaria Silvello

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Preprint Sep 2026

Efficient Dense Vector Search within Knowledge Graph Content Embeddings

QLever-Unified Indexed Vector Embedding Retrieval (QUIVER), an extension to QLever that adds native support for dense vector retrieval within RDF knowledge graphs, and implements three optimizations: engine-level registration of tensor functions, vocabulary-time parsing of JSON-encoded vectors, and a virtual SERVICE th...

Benedikt Kantz, Tobias Schreck, Gianmaria Silvello · 0 citations

Preprint Aug 2026

Ontology-Driven Structural Regularization for Document-Level Relation Extraction

This work introduces an ontology-driven framework to quantify and enforce structural consistency in DocRE datasets and reveals substantial structural noise in DocRED distant and demonstrates that such inconsistencies propagate to model predictions.

Laura Menotti, Stefano Marchesin, Gianmaria Silvello · 0 citations