(And they are also the two OSS vector search databases supporting aggregation, which make them to my opinion the best contenders for e-commerce vector search)
Vespa presentation:
SeMI Technologies Weaviate presentation: https://weaviate.io/blog/2023/01/Hybrid-Search-Explained.html
WPSOLR for WooCommerce with Weaviate: https://www.wpsolr.com/
#wpsolr #woocommerce #hybridsearch #vectorsearch #vespasearch #weaviate