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Feature Engineering

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Airbnb Technology Team
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
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