EXPRESS

EXPRESS is a data notation created in 2004.

#872on PLDB

20Years Old

EXPRESS is a standard data modeling language for product data. EXPRESS is formalized in the ISO Standard for the Exchange of Product model STEP (ISO 10303), and standardized as ISO 10303-11.. Read more on Wikipedia...

EXPRESS Wikipedia page
EXPRESS first developed in International Organization for Standardization

Example from the web:

SCHEMA Family;

ENTITY Person
   ABSTRACT SUPERTYPE OF (ONEOF (Male, Female));
     name: STRING;
     mother: OPTIONAL Female;
     father: OPTIONAL Male;
END_ENTITY;

ENTITY Female
   SUBTYPE OF (Person);
END_ENTITY;

ENTITY Male
   SUBTYPE of (Person);
END_ENTITY;

END_SCHEMA;

Example from hello-world:

const express = require('express')
const app = express()

app.get('/', (_, res) => res.send("Hello World"))

app.listen(8080)

EXPRESS - Data notation

Language features