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• 5 min read

A RAG that remembers everything is a risk: choosing what your AI should know

Your assistant finds a rule in seconds. But is it still the right one? To keep an outdated document from guiding a new decision, start with a limited corpus, verifiable sources and identified owners.

  • Enterprise RAG
  • Governance
  • AI
  • Argy Code

Tuesday morning, Lea is preparing a change to the billing application. She asks the team assistant which logging convention applies. The answer comes back fast, clear and well phrased. Yet it quotes a rule the team abandoned long ago.

Nobody lied. The document still existed; nobody was responsible for it anymore. Lea and her application are a fictional example, but the scene may well sound familiar.

The problem is not forgetting

When knowledge is scattered, the reflex is to make everything searchable. More documents, the thinking goes, means better answers. But without sorting, more documents can also make answers less reliable.

Finding information does not make it applicable. You still need to know who is responsible for it, which project it concerns and who may read it. Without those markers, a vast memory becomes one more source of doubt.

Enterprise RAG starts from a different idea: make the right knowledge available in the right context. Not another warehouse. Decisions your teams can retrieve, check and update.

One question before a thousand documents

Do not start with an inventory. Start with the question the team actually asks before delivering.

Which conventions apply to this project? Which technical decision has already been made? Which security policy governs this change? Each question outlines a corpus. Anything that does not answer it can wait.

In Lea's case, the whole company documentation was not needed. What mattered were the current conventions of her application and the decisions behind them. An old proposal does not become a reference just because it is available.

Who owns this rule?

A document can be relevant without being valid everywhere. A project convention does not turn into company policy because a search surfaced it.

Enterprise RAG distinguishes knowledge for a user, a project, an organization or the whole enterprise. This scope helps teams find the rules that concern their current work, without assuming everything else does too.

Scope is not enough. Each piece of knowledge needs an owner who can confirm it still holds, correct it or request its removal. This is a responsibility to organize with your teams, not an automatic validation.

A good test: if nobody can say why a document is still a reference, its place in the corpus deserves a discussion.

Finding is not permission to read

Useful knowledge is no reason to share it without limits. Information that could help one team sometimes stays out of its reach, and that is as it should be.

In Enterprise RAG, collections and permissions follow your organization's rules. Access rights, organizational boundaries and traceability govern every retrieval. A team finds its own project's conventions without seeing another scope's by default.

For your pilot corpus, ask the question early. Who should be able to read this material? What stays outside? Better to decide now than to discover the ambiguity inside an answer.

Where does this answer come from?

A convincing explanation does not justify a production change. Before delivering, the engineer must be able to trace the original decision and check that it concerns their project.

When sources are available, Enterprise RAG's semantic search and citations help teams find the document behind an answer. The nuance matters: this is not a promise of a usable citation for every request.

If a source does not allow a claim to be checked, do not treat that claim as a validated decision. A citation supports judgment. It does not replace it.

What you remove matters as much as what you keep

Back to Lea. Her problem was not a missing document but one document too many. The abandoned rule should have been clearly flagged as obsolete or removed from the references used to answer.

When conventions evolve, the corpus has to follow. Some knowledge needs a correction. Other knowledge should be removed because it has become obsolete. Enterprise RAG lets your team do this itself, without relying on a contractor to find the right content.

Ingestion scope, content types and source freshness are defined with your teams, depending on the deployment. Argy does not promise that every document will become automatically usable. A corpus you know how to maintain beats a vast memory nobody controls.

Small corpus, real proof

There is no need to tackle all the organization's knowledge to begin. Take the conventions of a project, or existing security policies. Start with a decision the team struggles to find, and a piece of work where it truly matters.

With the owners concerned, define the corpus, the people allowed to consult it and the sources that will let you check its use. Then put it to the test: what was found, what could be verified, what needs correcting or removing?

On the engineering side, Argy Code can retrieve repository conventions and prior decisions before preparing a change. The goal: avoid repeating the same investigation on every mission. The pilot is there to check that use within your scope, not to announce a result in advance.

Choosing means keeping control

Useful memory does not try to remember everything on your behalf. It puts selected knowledge within reach of the work, under your access rules, with sources you can examine and owners to maintain it.

You keep the decision on what should guide a delivery, and on what no longer should. That is exactly what Lea was missing.

The next step is not to add all your documentation. It is to choose the knowledge whose absence already slows a team down. Define a pilot corpus that supports your delivery with us: we will start with your existing conventions or policies to establish who can consult them and how to check their effect on delivered work.