Beyond Alphabet Soup: 5 Guidelines For Data Sharing is an excellent post by Markets for Good and Palantir Technologies. Below are the 5 Guidelines.
- Release structured raw data others can use
- Make your data machine-readable
- Make your data human-readable
- Use an open-data format
- Release responsibly and plan ahead
See the full blog post with detailed descriptions here: Beyond Alphabet Soup: 5 Guidelines For Data Sharing