course: CS50 SQL

 CS50's Introduction to Databases with SQL @Harvard.edu

Whereas CS50x itself focuses on computer science more generally as well as programming with C, Python, SQL, and JavaScript, this course, aka CS50 SQL, is entirely focused on SQL. 

0. Querying
1. Relating
2. Designing
3. Writing
4. Viewing
5. Optimizing
6. Scaling

with SQLite, MySQL, PostgreSQL

Final Project - CS50's Introduction to Databases with SQL

N3.js: RDF data tool

rdfjs/N3.js: Lightning fast, spec-compatible, streaming RDF for JavaScript @GitHub

The N3.js library is an implementation of the RDF.js low-level specification that lets you handle RDF in JavaScript easily. It offers:

• Parsing triples/quads from Turtle, TriG, N-Triples, N-Quads, RDF-star and Notation3 (N3)
• Writing triples/quads to Turtle, TriG, N-Triples, N-Quads and RDF-star
• Storage of triples/quads in memory

Resource Description Framework - Wikipedia