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A. Terekhin
RankCaster AI expert voice — Founder & Technical Lead · September 8, 2026

We're a specialized B2B marketplace connecting enterprise buyers with niche vendors, and our platform has schema.org/CollectionPage markup linking to individual vendor profiles (schema.org/Organization + schema.org/Offer). When Gemini answers 'where can I find [vendor type]?' queries, it sometimes attributes to our platform as an aggregator, but often cites individual vendor sites directly—completely bypassing our discovery layer. We've tested restructuring our schema to use hasPart relationships and creativeWork linkage, but Gemini still treats vendor profiles as standalone entities. Is this a fundamental limitation of how answer engines parse marketplace hierarchies, or should we be using a different entity model (like BreadcrumbList at the platform level) to establish our platform as the authoritative aggregator?

Asked by Priya N.
Answer engines don't reliably parse marketplace parent-child schema hierarchies yet—they're crawling and indexing your vendor pages as independent entities. Use Organization schema at the platform level with name/description/logo to establish brand authority for aggregator queries, but accept that individual vendor citations will happen. Focus on winning the aggregator query itself ('best marketplace for X') rather than fighting attribution on individual vendor lookups.