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── 99195 repos indexed ── | filtered by tag: #tensor-query-language
activeloopai/deeplake ★ 9251 724 APPLICATION

Activeloop's DeepLake is a production-grade, multi-vector database engine for AI data. At its core, it is a columnar, chunked, compressed storage system for tensors (multi-dimensional arrays) with native support for embeddings, images, video, text, and other complex AI data types. It exposes a Python library for dataset management, ingestion (COCO, Labelbox, CSV, Parquet), version control, and integration with PyTorch/TensorFlow/MMDetection. A high-performance C++ backend provides lazy NumPy-like array operations (nd::array), a composable async framework (async::promise), and a Tensor Query Language (TQL). The most distinctive component is a PostgreSQL extension (pg_deeplake) that allows SQL access to DeepLake datasets via custom table and index access methods, supporting vector similarity search (cosine, BM25) and hybrid search. Query execution is delegated to DuckDB through a custom scan node, enabling efficient analytical queries. The extension also includes WAL-based DDL replication across instances. This is primarily an application (a database system), with substantial research-oriented features such as medical image formats, compression codecs, and TPC-H benchmarking.

RATING: 8.4/10 MAINT: active DRIFT: medium
▸ 4 reusable components found
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