Feature Engineering

Airbnb Technology Team

Mar 24, 2025 · Artificial Intelligence

Chronon: Open‑Source Feature Platform for Machine Learning – Architecture, Workflow, and Code Examples

Chronon is an open‑source ML feature platform that lets engineers declaratively define, compute, and serve both batch and real‑time features with built‑in observability, data‑quality checks, and a low‑latency retrieval API, ensuring online‑offline consistency while simplifying pipeline management and enabling future automation.

ChrononFeature EngineeringObservability

0 likes · 13 min read

Chronon: Open‑Source Feature Platform for Machine Learning – Architecture, Workflow, and Code Examples

iQIYI Technical Product Team

Jun 28, 2024 · Artificial Intelligence

Feature Center Overview in iQIYI's Opal Machine Learning Platform

The Feature Center in iQIYI’s Opal platform centralizes feature creation, storage, and real‑time access through a drag‑and‑drop DAG workflow and DSL‑driven transformations, handling massive QPS and low‑latency demands while enabling fast business iteration, cross‑team reuse, and monitoring for advertising, recommendation, and risk‑control applications.

Big DataFeature EngineeringOpal

0 likes · 13 min read

Feature Center Overview in iQIYI's Opal Machine Learning Platform