What is FSL?
FSL (FlintSem Language) is a universal semantic infrastructure. It directly encodes meaning — clear, compact, and verifiable.
A stable and open foundation to connect intelligences, data, and knowledge.
A formal language of meaning
FSL structures the meaning of any sentence in a stable and interpretable format.
Universal and Interlingual
It works independently of languages, platforms, or providers.
Open and Collective
FSL is governed as a public protocol, open to all.
HOW IT WORKS
Discover FSL in Action
Input
"The company's investment made it possible to open a branch in Barcelona."
FSL Encoding
{Agent}: company
{Action}: invest
{Effect}: enable
{Result}: branch opening
{Location}: Barcelona
{Causality}: investment → opening
Output
A compact semantic graph
Linear and interpretable
Linking cause, action, and result:
investment → cause → branch opening (by the company, in Barcelona)
This structure is traceable, interpretable, and universal — usable in the same way across all languages and systems.
FSL ADVANTAGES
What FSL enables
Make LLMs reliable and verifiable
Add explainability, traceability and control to AI outputs.
Structure knowledge at scale
Turn massive unstructured text into clean, interoperable data.
Enable semantic interoperability
Share meaning directly across systems, formats and languages.