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FOI-O: A global ontology and verification framework for Freedom of Information process modelling

This paper introduces FOI-O, a global ontology and verification framework designed to model and analyze Freedom of Information processes across jurisdictions like New Zealand and Australia, while clarifying its role as a research tool rather than a source of legal advice or official certification.

Original authors: Dylan A Mordaunt

Published 2026-07-21
📖 5 min read🧠 Deep dive

Original authors: Dylan A Mordaunt

Original paper licensed under CC BY 4.0 (http://creativecommons.org/licenses/by/4.0/). This is an AI-generated explanation of the paper below. It is not written or endorsed by the authors. For technical accuracy, refer to the original paper. Read full disclaimer

Imagine the world of government as a giant, bustling library where anyone can ask to see the books, files, and notes the librarians are using to make decisions. This is the world of "Freedom of Information" (FOI). It's a vital tool for democracy, letting regular people check if the government is doing what it says it's doing. But here's the tricky part: when you ask for a file, the story of that request doesn't live in just one place. It's scattered across emails, digital platforms, official logs, and maybe even a sticky note on a desk. It's like trying to solve a mystery where the clues are written in different languages, stored in different boxes, and sometimes look like one thing but actually mean another.

For a long time, researchers and journalists have tried to build a universal map to track these requests, but it's been messy. If a computer program guesses that a government agency "refused" a request, how do we know if that guess is actually true? What if the computer just saw a message that looked like a refusal, but the official decision hasn't been signed yet? This is the big question: How do we build a system that can organize all these scattered clues without pretending to be the judge? We need a way to say, "Here is what we saw," and "Here is what we think it means," while keeping a clear line between the two until a real human with the right authority says, "Yes, this is the final answer."

This is exactly what the paper "FOI-O" tackles. The authors, led by Dylan A Mordaunt, have built a digital "rulebook" and a set of tools called an ontology. Think of an ontology as a super-organized dictionary and a flowchart rolled into one. It's designed to help computers and humans speak the same language when tracking Freedom of Information requests. The paper introduces FOI-O as a global framework that started by learning from New Zealand's system and is now being tested in Australia.

The main finding of the paper is that they have successfully created a "safety fence" around the data. They built a system that can take messy, real-world request records—like emails from a public platform—and turn them into neat, structured data. But here is the most important part: the system is designed to never pretend to be a lawyer or a government official. It can say, "We observed a message that looks like a denial," but it will explicitly label that as a "candidate signal" or a "guess." It refuses to call it a "final legal outcome" unless a human with the proper authority has signed off on it.

The paper argues strongly against the idea that software can automatically certify legal decisions. The authors show that while computers are great at sorting and finding patterns, they cannot replace the human responsibility of making the final call on whether a request was legally refused or approved. To prove this, they didn't just write code; they built a whole "proof kit." This kit includes:

  • Machine-readable contracts: Like a recipe that tells computers exactly what data looks like.
  • Process models: Flowcharts that show how a request should move through the system.
  • Test cases: Small, perfect examples (called "fixtures") that prove the system works correctly on a specific set of data.

The authors are very careful about how sure they are. They state clearly that their work is a "mature reference implementation" for New Zealand, meaning it works well there. However, for Australia, they describe the work as "provisional." This means the Australian version is a pilot project—a test run. It is not yet a finished, legally approved tool. The paper explicitly rules out the idea that this system is currently a live government service or that it provides legal advice. It is a research tool designed to help analysts prepare for review, not to make the review itself.

The paper also highlights that their system is built to be "fail-safe." If the evidence is missing, unclear, or if the computer is just guessing, the system stops and says, "I can't certify this." It doesn't try to force an answer. This is crucial because in the real world, a mistake in labeling a government action could have serious consequences for people's rights.

In short, FOI-O is like a very honest, very organized assistant. It can gather all the scattered notes about a government request, organize them into a clear story, and point out where the clues are strong and where they are weak. But it always keeps its hands off the gavel. It knows that the final decision—whether a request was truly granted, refused, or delayed—must always come from a human being who is legally authorized to make that call. The paper proves that this approach works for New Zealand and sets the stage for testing it in Australia, all while promising that the system will never pretend to be something it isn't.

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