• Identify works separately from editions. • Group related editions reliably. • Ingest bibliographic data without scraping formatted references. • Build citation and concept graphs directly from publications. • Expose paragraph-, equation-, figure-, and definition-level links. • Detect malformed metadata through validation. • Offer richer discovery by concept, person, citation, figure, or relationship. • Preserve useful semantics even if the originating application disappears. • Connect catalogue records to exact elements within publications. • Support richer collection-level navigation.