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TACITUS
Section pages
NOTES BY TACITUS

Notes from the work in progress.

Engineering notes on ontology, portable context, graphs and policy analysis. Each essay examines a design choice, the evidence behind it and what still needs testing.

23 published·RSS·JSON Feed

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A method. A test.

Follow the idea from its rationale to a concrete design choice and the evidence needed to evaluate it. Choose the question closest to your work.

Path 01 / 04

What must survive when documents become context for an AI system?

  1. 01The research thesis
  2. 02Assembling context for a question
  3. 03The responsibilities of a capsule

Research papers describe design intent. Evaluation protocols identify what still needs to be demonstrated.

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ALL · 23

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·4 minPositioning

What it takes to check an AI-assisted assessment

A citation is a starting point. Useful review also needs the source version, the inference being made, the missing evidence, and a record of what a person actually checked.

verified-contextcapsulestrust
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·5 minArchitecture

Nine layers, one capsule: separating evidence from interpretation

The layer model is a proposed division of responsibilities. Its value depends on whether readers and software can preserve those distinctions through updates, queries, and export.

capsulesgraphsbi-temporality
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·5 minCognition

Capturing expert methods without claiming to capture the expert

A useful method needs examples, limits, and a way to tell when it does not apply. Structured interviews can help uncover that material, but a transcript is not a transferable skill.

tacit-knowledgeelicitationtool-capsules
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·5 minMethods

The proposal boundary: separating a model’s suggestion from accepted context

Review is a state transition with evidence, permissions, and concurrency rules. A button labeled Approve is only one part of the implementation.

review-gatesenginegovernance
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·5 minPositioning

A capsule registry starts with versioning, rights, and withdrawal

Before distributing reusable knowledge, we need to say which artifact a person received, what they may do with it, and how they learn that it has changed.

registrycapsule-economyattribution
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·5 minPositioning

Why TACITUS: keeping the context behind an analytical judgment

The question is whether structured, reviewable context can make difficult analytical work easier to continue, challenge, and hand over. The architecture is a hypothesis we need to test.

positioningarchitecturefailure-modes
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·4 minEngine

AGON: extracting a claim without endorsing it

Conflict analysis starts with careful attribution. This research note describes how candidate actors, claims, and commitments could reach a reviewer without acquiring authority along the way.

agonrustextraction
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·4 minEngine

KAIROS: keeping an uncertain timeline honest

An event date, a publication date, and the date an analyst receives a report answer different questions. Temporal analysis needs to preserve all three.

kairosrustbi-temporal
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·4 minCognition

A record that helps a mediator ask better questions

A mediation record should preserve qualifications, disagreements, and permissions. It should help a practitioner prepare without pretending to settle the dispute.

mediationcognitionprimitives
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·5 minArchitecture

From seven graphs to nine capsule layers: separating records by responsibility

The useful question is what each part of a knowledge object means, how it can change, and which other artifacts depend on it. Counting graphs is a consequence of those decisions.

dialecticaarchitectureengine
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·4 minCognition

A policy brief should show what could change the decision

Useful policy analysis makes the objective, alternatives, constraints, and uncertain assumptions inspectable. A fluent recommendation is only one part of that work.

policyoptions-memoconstraint-stress
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·4 minSources

Following a claim through the information environment

Defensive narrative analysis depends on source relationships, timing, and uncertainty. Counting mentions is not the same as corroborating a claim.

osintsourcesreliability
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·4 minArchitecture

Decomposing an analytical task: model proposals, explicit checks, human decisions

A useful agent workflow needs more than a sequence of prompts. Its intermediate records must let us locate an error, repeat a check, and decide what may become shared knowledge.

neurosymbolicagentsorchestration
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·5 minMethods

Two clocks for an assessment: what applied, and what was recorded

A corrected date should improve today’s analysis without rewriting what a reviewer could have known last week. Bitemporal records make those two questions explicit.

bi-temporaldesigncommitment
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·5 minPositioning

A durable knowledge layer for a finite context window

PRAXIS is the workspace. Context Capsules are the reusable records we want people and agents to work from. The engineering problem is selecting enough evidence for a question without confusing a compact view with the complete case.

knowledge-layerpositioningarchitecture
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·5 minPositioning

What an analyst should inherit: sources, decisions, and unresolved questions

A handover is a versioned dependency problem. The next person needs to know which records the assessment relied on, which decisions they may reuse, and what has changed since those decisions were made.

inheritanceinstitutionsdesign
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·5 minOntology

A stable vocabulary with reviewed domain extensions

A commitment in a regulatory consultation and a commitment in a ceasefire agreement share useful structure. Their conditions, evidence, and consequences can still differ. An ontology needs room for both facts.

ontologydesigndynamic
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·4 minOntology

Keep the disagreement in the record

A useful knowledge system should let an analyst challenge an inference without losing the evidence that produced it. That requires decisions about identity, scope, versioning, and retrieval—not just a dispute flag.

contestabilitydesignethics
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·4 minPositioning

What “under development” should let you verify

A development label is useful only when it points to a concrete boundary: what a version does, where the evidence comes from, and which claims remain untested.

trustpositioning
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·5 minLLM

Where language-model analysis needs external structure

Complex questions can fail at retrieval, interpretation, or review. The engineering task is to identify the failure and choose the smallest useful intervention—not declare that a model cannot reason.

llmarchitecturefailure-modes
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·4 minCognition

A stated position is evidence. An inferred interest is a hypothesis.

A graph can help an analyst compare explanations for a demand, provided it never hides who proposed an explanation or how it could be wrong.

primitivesmediation
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·4 minOntology

A statement of intent is not yet a commitment

To answer what someone owes, promised, or completed, a system needs more than future-tense sentences. It needs the actor, action, conditions, authority, evidence, and an explicit record of interpretation.

primitivesontology
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·4 minOntology

A schema checks the record. An ontology explains the terms.

Structured knowledge helps an AI system only when its fields have useful meanings and those meanings survive retrieval, revision, and exchange. A valid JSON object is one part of that contract.

ontologydesign
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