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It's a very exciting time to be working in this space! Going beyond structured databases and file formats like JSON/CSV, there are also systems that can query A

It's a very exciting time to be working in this space! Going beyond structured databases and file formats like JSON/CSV, there are also systems that can query APIs, source code, ML models, etc. My own Trustfall query engine is one of them: https://github.com/obi1kenobi/trustfall https://github.com/obi1kenobi/trustfall For example, you can query the HackerNews APIs from your browser: "Which Twitter/GitHub users comment on stories about OpenAI?" https://play.predr.ag/hackernews#?f=1&q=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%2BPSIsIHZhbHVlOiBbIiRtaW5Qcm9maWxlcyJdKQogICAgICAgICAgICB7CiAgICAgICAgICAgICAgY29tbWVudGVySURzOiB1cmwgQGZpbHRlcihvcDogInJlZ2V4IiwgdmFsdWU6IFsiJHNvY2lhbFBhdHRlcm4iXSkKICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBAb3V0cHV0CiAgICAgICAgICAgIH0KICAgICAgICAgIH0KICAgICAgICB9CiAgICAgIH0KICAgIH0KICB9Cn0%3D&v=ewogICJzaXRlUGF0dGVybiI6ICJodHRwW3NdOi8vKFteLl0qXFwuKSpvcGVuYWkuY29tLy4qIiwKICAibWluUHJvZmlsZXMiOiAxLAogICJzb2NpYWxQYXR0ZXJuIjogIihnaXRodWJ8dHdpdHRlcilcXC5jb20vIgp9 https://play.predr.ag/hackernews#?f=1&q=IyBDcm9zcyBBUEkgcXVl... One of its real-world use cases is at the core a Rust semver linter: https://predr.ag/blog/speeding-up-rust-semver-checking-by-over-2000x/ https://predr.ag/blog/speeding-up-rust-semver-checking-by-ov...