Radu Gheorghe
Software engineer at Vespa with a background in consulting and training on Elasticsearch and Solr; specializes in search infrastructure and tensor-based retrieval for large-scale search and ranking systems.
Best podcasts with Radu Gheorghe
Ranked by the Snipd community
51 snips
May 12, 2026 • 39min
Vespa AI and Surpassing the Limits of Vector Search
Radu Gheorghe, a software engineer at Vespa who moved from Elasticsearch and Solr consulting into tensor-based retrieval, explains why single-vector similarity is not enough. He talks about chunking and lossy embeddings. He outlines multi-stage retrieval, re-ranking trade-offs, and how tensors with named dimensions enable richer, scalable search for multimodal and real-time systems.
