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Hierarchical Navigable Small World (HNSW) algorithm for vector similarity search in PostgreSQL
A system that uses ESP-NOW, LoRa, and other protocols to transport sensor data in remote areas without relying on WiFi.
DuckDB extension to read and write to SQLite databases
Helpers for Arrow C Data & Arrow C Stream interfaces
Extension types for geospatial data for use with 'Arrow'
SQLite extension around tg, a geometric library for limited GIS operations
GeoPAT 2 - a suite of modules dedicated to analysis of large datasets in their entirety using spatial and/or temporal patterns