StarZero All shows Try the podcast clipper →

Bob van Luijt

Co-founder & CEO, Weaviate · 1 appearance on the record.

computed by AI from the episodes · how this works → · full disclaimer →

founderexecutiveinvestor@bobvanluijt ↗LinkedIn ↗txt.vanluijt.nl ↗Wikipedia ↗

Bob van Luijt is the co-founder and CEO of Weaviate, an open-source vector database designed for generative AI applications and semantic search. A former music composition student turned technology entrepreneur, he has scaled the platform into widely used AI infrastructure, securing major venture capital financing.

16statements → 9claims → 2claims resolved → 3.81/5average certainty → 1.94/5average debate potential → 3.9/5argument clarity · the sources → 2said about them ↓

0 supported 2 partly supported 0 contradicted 7 not checkable as stated how the 9 claims stand · each chip opens the sources

1 prediction · 8 assertions · 1 opinion · 6 insights · every statement was checked. The prediction and assertions are the 9 claims: statements the public record can support or contradict. 2 are resolved, and 7 name no date, number or outcome precise enough to check. Everything else (opinions, insights, what ifs, disclosures) can never be settled by the record, so it carries no assessment.

The record, in short

What the tape says about how Bob argues and how the claims held up. Everything they said, and everything said about them, is in the tabs below.

Expressed certainty vs assessment result

none yet certainty 1
50% certainty 2
none yet certainty 3
50% certainty 4
none yet certainty 5

weighted support: a fully supported claim counts one, a partly supported claim counts half. Each filled bar is clickable and opens exactly those claims; "none yet" means nothing said at that certainty level has resolved yet

Argument clarity: do they answer the question? how? →

3.9 / 5 directness 3.9 · coherence 3.8 · precision 3.4 · compression 2.9

redirected or did not address 1 of 8 assessed questions (13%). Watch them ▸

This is a score against a rubric. It is not a rank. Every host question → answer exchange is scored with names hidden on directness, coherence, precision and compression, 1–5 each, on meaning alone: disfluencies are ignored, and only raw unedited episodes count. This is the score that measures thought. Every scored exchange, scores shown → · The rubric and its checks →

How they sound: speaking style how? →

277 words/min while actually speaking · 40.6 um and uh per 1k words

Measured by listening to the audio itself: 5,294 words across 1 episode of raw-level tape, transcribed verbatim with every um and uh kept, each one attributed only where the alignment onto our timed stream is unambiguous. These are measurements of speaking style. We do not rank them: across this corpus, fluency and argument quality are nearly uncorrelated (ρ≈0.2), and smooth talking does not signal clear thinking. How it's measured →

Everything Bob van Luijt said on the MAD Podcast that made the record, most notable first. Filter by type, assessment or year in the ledger →

Insight
Van Luijt: RAG carries less hallucination risk than model fine-tuning
“That is something that is, works better than fine-tuning, for example, because if you fine-tune, then you're still dealing with potential hallucination Fair enough, with RAC that's possible too, but it's like, it's less it's less risky.”
Bob van Luijt Feb 15, 2024 ▶ 3:09 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Opinion
Van Luijt: MongoDB is late to the vector database market
“It's great that they've seen the light too. It's a bit late though, but it's like a, you know, good for them.”
Bob van Luijt Feb 15, 2024 ▶ 22:56 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Assertion Partly supported
Van Luijt: Harvard study values open-source software at $8 trillion
“They estimated that the value of open source to companies right now is eight trillion dollars, right? And if companies would have to rebuild it themselves, that would three and a half times be that number.”
Bob van Luijt Feb 15, 2024 ▶ 29:05 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Assertion Not checkable as stated
Van Luijt: RAG was the first unique vector database use case
“And reg was the first unique use case, if you will, that emerged around the ecosystem of vector databases.”
Bob van Luijt Feb 15, 2024 ▶ 2:05 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Insight
Van Luijt: Current industry RAG implementations are primitive
“The way we, and I, with we, I mean like everybody in this room working on this stuff, are doing RAC right now, is actually pretty primitive, right?”
Bob van Luijt Feb 15, 2024 ▶ 3:27 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Insight
Van Luijt: Pure vector search alone is often not enough
“Vector search alone is often not enough, right?”
Bob van Luijt Feb 15, 2024 ▶ 10:09 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Prediction Not checkable as stated
Van Luijt predicts 2024 will be the year of generative feedback loops
“I would not be surprised if this year, twenty-twenty-four, is the year of generative feedback loops.”
Bob van Luijt Feb 15, 2024 ▶ 11:27 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Insight
Van Luijt: Vector models perform poorly on specific alphanumeric IDs
“Matching on A, B, C, one, two, three is horrible. That's like, the model is super bad at that. Why? Because it was never trained on your on your knowledge base.”
Bob van Luijt Feb 15, 2024 ▶ 13:59 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Assertion Not checkable as stated
Van Luijt: AI models are now the bottleneck for real-time serving
“The bottleneck is now these models.”
Bob van Luijt Feb 15, 2024 ▶ 18:37 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Insight
Van Luijt: Vector database value comes from indexing, not basic storage
“The vector embedding is just a data type. So it's just an array of floating point numbers. I mean, you can store that in an old Oracle database, right? So, but the thing where it becomes interesting is the index.”
Bob van Luijt Feb 15, 2024 ▶ 20:36 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Assertion Not checkable as stated
Van Luijt: Virtually every database now supports vector embeddings
“What we try to start to see now is that basically every database under the sun supports vector embeddings.”
Bob van Luijt Feb 15, 2024 ▶ 20:57 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Assertion Not checkable as stated
Van Luijt: Most billion-scale vector deployments are just similarity search
“So the most deployments, like the really, the billion scale deployments are very much just similarity search, right?”
Bob van Luijt Feb 15, 2024 ▶ 26:19 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Insight
Van Luijt: Commercial value sits around open source, not within core technology
“The job to be done, the value to be captured does not per se sit in the open source technology itself. It sits in the layers around that.”
Bob van Luijt Feb 15, 2024 ▶ 28:17 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Assertion Not checkable as stated
Van Luijt: Language is the most common use case for vector embeddings
“Language is the use case we see the most right now”
Bob van Luijt Feb 15, 2024 ▶ 4:58 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Assertion Not checkable as stated
Van Luijt: More companies stream data with pre-calculated vector embeddings
“More and more companies start to literally stream the data with pre-calculated vector embeddings.”
Bob van Luijt Feb 15, 2024 ▶ 19:43 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Assertion Partly supported
Van Luijt: OpenAI recommended Weaviate when deprecating its search endpoint
“OpenAI had a they had a search endpoint that they deprecated. This is pre-ChatGBT, so, but they, so they deprecated that search endpoint, And say, well, you know, you just can buy our embeddings. There are three ways that you can index them and search for them…”
Bob van Luijt Feb 15, 2024 ▶ 31:31 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate

The other half of the tape: Bob van Luijt's own voice is left out of every number here. Other people bring the name up 2 times in 1 episode on the MAD Podcast. every mention, with the transcript →

Who brings them up most Jordan Tigani 2

Every mention by year

tap a year for its mentions
0011212024episodesmentions
0112024episodes it came up in
0010.5212024episodesmentions per episode
2024 2 mentions in 1 episode

Appearances (1)

EpisodeDateSpeaking time
Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate Feb 15, 2024 25m
Made with StarZero

Turn any episode into a week of clips.

This entire site, over 400 conversations transcribed, diarized, checked and made playable, runs on the StarZero media pipeline. Drop in your own episode and the podcast clipper finds the moments worth sharing, cuts them, captions them, and reframes them for every feed.

Try the podcast clipper Learn more