A query and indexing engine for Redis, providing secondary indexing, full-text search, vector similarity search and aggregations.

PISA: Performant Indexes and Search for Academia

Fastest Integer Compression

A Modern C++ Data Sciences Toolkit

📜 An MCP server for conversation history search and retrieval in Claude Code

An in-memory vector search library in C++ with Python bindings

🔍 Full text indexing and searching library

A library of inverted index data structures

utils to use word embedding models like word2vec vectors in a PostgreSQL database

Tangseng search engine including full text search and vector search base on golang. 基于go语言的搜索引擎，信息检索系统

Build Recommender System with PyTorch + Redis + Elasticsearch + Feast + Triton + Flask. Vector Recall, DeepFM Ranking and Web Application.

python实现的基于倒排索引和向量空间模型实现的信息检索系统

Simple full text indexing and searching library for Java

EliasFanoCompression: quasi-succinct compression of sorted integers in C#

VTEnc C library

🦄 Lightweight reverse utility around strings, arrays, numbers and more.

Elias-Fano encoding implementation in Rust

A flexible and efficient C++ implementation of the Binary Interpolative Coding algorithm.

Projects done in the Cloud Computing course.

Two-part information retrieval system: 1) Pre-process text files, generate TF-IDF matrix and inverted index. 2) Retrieve relevant documents ranked by cosine similarity for given queries.