Jiawei Jing

A minimal standards-only carrier profile for semantic PMI in OpenUSD: design, open implementation, and validation on the NIST MBE test models

Industrial digital-twin platforms increasingly ingest engineering CAD into OpenUSD. Semantic product and manufacturing information (PMI) — tolerances, datums, and their links to geometry — does not survive this ingestion: in the measured outputs of three production CAD-to-USD pip...

From real-world events to open POI data: a measurement protocol for time-to-reflection, with a benchmark from Japanese official registers

Background Open point-of-interest (POI) datasets increasingly carry temporal fields—Foursquare OS Places attaches creation and closure dates to over 100 million places and feeds Overture Maps—inviting longitudinal research that depends on a quantity never systematically measured:...