Last modified by Robert Schaub on 2025/12/24 20:35

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edited by Robert Schaub
on 2025/11/27 23:15
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To version 2.1
edited by Robert Schaub
on 2025/11/27 12:05
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... ... @@ -1,7 +5,3 @@
1 -(((
2 -
3 -)))
4 -
5 5  = 5. Data Model =
6 6  
7 7  The FactHarbor data model centers on four fully versioned, immutable entities:
... ... @@ -45,10 +45,10 @@
45 45   (scenarios live at the *claim* level, not per individual phrasing).
46 46  * Verdicts and Scenario–Evidence links are always attached to **versions**:
47 47  * {{code}}SCENARIO_VERSION{{/code}} +
48 -{{code}}EVIDENCE_VERSION{{/code}} →
49 -{{code}}SCENARIO_EVIDENCE_LINK_VERSION{{/code}}
44 + {{code}}EVIDENCE_VERSION{{/code}} →
45 + {{code}}SCENARIO_EVIDENCE_LINK_VERSION{{/code}}
50 50  * {{code}}SCENARIO_VERSION{{/code}} →
51 -{{code}}VERDICT_VERSION{{/code}}
47 + {{code}}VERDICT_VERSION{{/code}}
52 52  
53 53  This ensures that when a Scenario or Evidence changes, old verdicts and links
54 54  remain intact as historical records and can be revisited.
... ... @@ -61,13 +61,6 @@
61 61  The convention is that fields ending in {{code}}Id{{/code}} are primary keys,
62 62  and fields with {{code}}...IdFk{{/code}} are foreign keys.
63 63  
64 -{{comment}} Core Data Model ERD (Mermaid, from /Specification/Diagrams/Data Model) {{/comment}}
65 -{{include document="FactHarbor.Playground.Core Data Model ERD Page (from Specification chat).WebHome" reference="FactHarbor.Playground.data.Core Data Model ERD Page (from Specification chat).WebHome"/}}
66 -
67 -= Core Data Model ERD (Versioned) =
68 -
69 -This diagram shows the full core data model with all versioned entities.
70 -
71 71  {{mermaid}}
72 72  erDiagram
73 73   CLAIM_CLUSTER {
... ... @@ -158,14 +158,9 @@
158 158  
159 159   SCENARIO ||--o{ VERDICT : assessed
160 160   VERDICT ||--o{ VERDICT_VERSION : versions
150 +
161 161  {{/mermaid}}
162 162  
163 -{{info}}
164 -All key entities are explicitly versioned here (…VERSION tables).
165 -This reflects the versioning requirements in the textual Data Model chapter.
166 -{{/info}}
167 -
168 -
169 169  **Important points:**
170 170  
171 171  * Scenarios and Evidence are **linked via their versions**
... ... @@ -178,7 +178,7 @@
178 178  
179 179  ----
180 180  
181 -= 5.3 Data Use & Review ERD =
165 += 5.3 Data Use & Review ERD (expanded, versioned) =
182 182  
183 183  The **Data Use** model captures who does what with which versioned data:
184 184  
... ... @@ -186,165 +186,87 @@
186 186  * Roles and role assignments
187 187  * Review actions on versioned entities
188 188  
189 -{{comment}} Data Use ERD (Mermaid, from /Specification/Diagrams/Data Use ERD) {{/comment}}
190 -{{include document="FactHarbor.Playground.Data Use ERD Page (from Specification chat).WebHome" reference="FactHarbor.Playground.data.Data Use ERD Page (from Specification chat).WebHome"/}}
191 -
192 -= Data Use ERD (Roles, Review & Versioned Entities) =
193 -
194 -This diagram shows how users, roles, and review actions relate to the
195 -versioned core entities.
196 -
197 197  {{mermaid}}
198 198  erDiagram
199 - %% Core clusters shown for context
200 - CLAIM_CLUSTER {
201 - string ClusterID PK
202 - string EmbeddingVectorRef
203 - string Theme
204 - }
205 205  
206 - CLAIM {
207 - string ClaimID PK
208 - string ClusterID FK
209 - string Status
210 - datetime CreatedAt
176 + USER {
177 + string userId
178 + string displayName
179 + string email
180 + string userType %% "human" or "technical"
181 + datetime createdAt
211 211   }
212 212  
213 - CLAIM_VERSION {
214 - string ClaimVersionID PK
215 - string ClaimID FK
216 - string Text
217 - string ClaimType
218 - string Domain
219 - datetime CreatedAt
184 + TECHNICAL_USER {
185 + string technicalUserId
186 + string userIdFk
187 + string description
188 + string systemIdentifier
220 220   }
221 221  
222 - SCENARIO {
223 - string ScenarioID PK
224 - string ClaimID FK
225 - string Name
226 - datetime CreatedAt
191 + ROLE {
192 + string roleId
193 + string code %% e.g. READER, CONTRIBUTOR, REVIEWER, TRUSTED_CONTRIBUTOR, MODERATOR, SYSTEM_ADMIN, FEDERATION_OPERATOR, FEDERATION_ADMIN
194 + string description
195 + boolean isFederationRole
227 227   }
228 228  
229 - SCENARIO_VERSION {
230 - string ScenarioVersionID PK
231 - string ScenarioID FK
232 - string Definitions
233 - string Assumptions
234 - string Boundaries
235 - datetime CreatedAt
198 + USER_ROLE_MEMBERSHIP {
199 + string membershipId
200 + string userIdFk
201 + string roleIdFk
202 + datetime grantedAt
203 + string grantedByUserIdFk
236 236   }
237 237  
238 - EVIDENCE {
239 - string EvidenceID PK
240 - string SourceType
241 - string URL
242 - float ReliabilityScore
206 + REVIEW_ACTION {
207 + string reviewActionId
208 + string subjectType %% e.g. CLAIM_VERSION, SCENARIO_VERSION...
209 + string subjectVersionId
210 + string actionType %% APPROVE, REJECT, FLAG, COMMENT, REQUEST_CHANGES...
211 + string outcome %% ACCEPTED, REJECTED, ESCALATED...
212 + string comment
213 + string createdByUserIdFk
214 + datetime createdAt
243 243   }
244 244  
245 - EVIDENCE_VERSION {
246 - string EvidenceVersionID PK
247 - string EvidenceID FK
248 - string Summary
249 - float ReliabilityScore
250 - datetime CreatedAt
251 - }
217 + %% Versioned data entities (references from the core model)
252 252  
253 - VERDICT {
254 - string VerdictID PK
255 - string ScenarioID FK
219 + CLAIM_VERSION {
220 + string claimVersionId
256 256   }
257 257  
258 - VERDICT_VERSION {
259 - string VerdictVersionID PK
260 - string VerdictID FK
261 - float Verdict
262 - float Confidence
263 - string Reasoning
264 - datetime CreatedAt
223 + SCENARIO_VERSION {
224 + string scenarioVersionId
265 265   }
266 266  
267 - %% Users and roles
268 - USER {
269 - string UserID PK
270 - string Handle
271 - string Email
227 + EVIDENCE_VERSION {
228 + string evidenceVersionId
272 272   }
273 273  
274 - TECHNICAL_USER {
275 - string UserID PK
276 - string SystemName
231 + SCENARIO_EVIDENCE_LINK_VERSION {
232 + string scenarioEvidenceLinkVersionId
277 277   }
278 278  
279 - CONTRIBUTING_USER {
280 - string UserID PK
281 - string DisplayName
235 + VERDICT_VERSION {
236 + string verdictVersionId
282 282   }
283 283  
284 - TRUSTED_CONTRIBUTOR {
285 - string UserID PK
286 - string TrustLevel
287 - }
239 + %% Relationships
288 288  
289 - REVIEWER {
290 - string UserID PK
291 - string Domain
292 - }
241 + USER ||--o{ TECHNICAL_USER : may_be
242 + USER ||--o{ USER_ROLE_MEMBERSHIP : has_role
243 + ROLE ||--o{ USER_ROLE_MEMBERSHIP : assigned_to
293 293  
294 - EXPERT {
295 - string UserID PK
296 - string ExpertiseArea
297 - }
298 -
299 - FEDERATION_NODE {
300 - string NodeID PK
301 - string Region
302 - }
303 -
304 - FEDERATION_ADMIN {
305 - string UserID PK
306 - string Permissions
307 - }
308 -
309 - REVIEW_ACTION {
310 - string ReviewActionID PK
311 - string UserID FK
312 - string TargetEntityType
313 - string TargetEntityVersionID
314 - string ActionType
315 - string Comment
316 - datetime Timestamp
317 - }
318 -
319 - %% Inheritance / specialization (modelled as relationships)
320 - USER ||--o{ TECHNICAL_USER : "is a"
321 - USER ||--o{ CONTRIBUTING_USER : "is a"
322 -
323 - CONTRIBUTING_USER ||--o{ TRUSTED_CONTRIBUTOR : "subset"
324 - CONTRIBUTING_USER ||--o{ REVIEWER : "subset"
325 - CONTRIBUTING_USER ||--o{ EXPERT : "subset"
326 -
327 - TECHNICAL_USER ||--o{ FEDERATION_NODE : "operates"
328 - TECHNICAL_USER ||--o{ FEDERATION_ADMIN : "administers"
329 -
330 - %% Review actions on versioned entities
331 331   USER ||--o{ REVIEW_ACTION : performs
332 332  
333 - REVIEW_ACTION }o--|| CLAIM_VERSION : reviews
334 - REVIEW_ACTION }o--|| SCENARIO_VERSION : reviews
335 - REVIEW_ACTION }o--|| EVIDENCE_VERSION : reviews
336 - REVIEW_ACTION }o--|| VERDICT_VERSION : reviews
247 + CLAIM_VERSION ||--o{ REVIEW_ACTION : is_reviewed_in
248 + SCENARIO_VERSION ||--o{ REVIEW_ACTION : is_reviewed_in
249 + EVIDENCE_VERSION ||--o{ REVIEW_ACTION : is_reviewed_in
250 + SCENARIO_EVIDENCE_LINK_VERSION ||--o{ REVIEW_ACTION : is_reviewed_in
251 + VERDICT_VERSION ||--o{ REVIEW_ACTION : is_reviewed_in
337 337  {{/mermaid}}
338 338  
339 -{{info}}
340 -This diagram focuses on *who* uses and reviews *which* versioned entities.
341 -USER is the base type; TECHNICAL_USER and CONTRIBUTING_USER are specializations.
342 -Other roles (REVIEWER, EXPERT, TRUSTED_CONTRIBUTOR, FEDERATION_ADMIN, FEDERATION_NODE)
343 -are modelled as specializations or technical subtypes.
344 -{{/info}}
345 -
346 -
347 -
348 348  Notes:
349 349  
350 350  * Most roles (READER, CONTRIBUTOR, TRUSTED_CONTRIBUTOR, REVIEWER, MODERATOR,
... ... @@ -374,7 +374,7 @@
374 374  * It may inherit some links from earlier scenarios, or start empty depending
375 375   on the change classification (cosmetic vs. conceptual).
376 376  * All verdicts for that scenario are recalculated and stored as new
377 -{{code}}VERDICT_VERSION{{/code}} entries.
283 + {{code}}VERDICT_VERSION{{/code}} entries.
378 378  
379 379  * REVIEW_ACTIONs are always attached to the **exact version** that was seen by
380 380   the reviewer. This preserves a faithful audit trail if data later changes.
... ... @@ -411,191 +411,3 @@
411 411  Federation-specific entities (such as {{code}}FEDERATION_NODE{{/code}},
412 412  replication logs, and trust rules) are described in the Federation &
413 413  Decentralization chapter and build on top of the core data model defined here.
414 -
415 -
416 -
417 -USER
418 -├── TECHNICAL_USER
419 -│  ├── FEDERATION_ADMIN
420 -│  └── AKEL_AGENT (optional future)
421 -
422 -READER
423 -└── CONTRIBUTING_USER
424 - ├── TRUSTED_CONTRIBUTOR
425 - ├── REVIEWER
426 - ├── EXPERT
427 - ├── MODERATOR
428 -
429 -
430 -ADMIN
431 -
432 -FEDERATION_ADMIN (administrative, but human)
433 -
434 -
435 -== 1. Overall analysis & review of the data model ==
436 -
437 -=== 1.1 Strengths of the current design ===
438 -
439 -* (((
440 -**Identity vs. version pattern**
441 -Using base entities plus version entities (CLAIM + CLAIM_VERSION, SCENARIO + SCENARIO_VERSION, etc.) is exactly how modern knowledge systems handle:
442 -
443 -* auditability
444 -* time evolution
445 -* re-evaluation triggers
446 -* federation and partial replication
447 -)))
448 -* (((
449 -**Scenario-centric reasoning**
450 -Separating //Claim// (what people argue about) from //Scenario// (interpretive frame) is very aligned with “truth landscape” style systems:
451 -
452 -* Scenarios explain //why people disagree//.
453 -* Verdicts are tied to specific scenario versions → avoids mixing incompatible assumptions.
454 -)))
455 -* **Evidence and verdicts as first-class entities**
456 -Evidence is explicit, linked to scenarios, and verdicts are per scenario. This matches good practice from fact-checking, scientific assessment panels, and trust graphs.
457 -* (((
458 -**Cluster level (CLAIM_CLUSTER)**
459 -Grouping related claims avoids duplication and lets you:
460 -
461 -* reuse scenarios across paraphrases
462 -* share embeddings / semantic search
463 -* keep the system scalable as the corpus grows.
464 -)))
465 -* (((
466 -**Explicit review layer (REVIEW_ACTION, roles, etc.)**
467 -Separating “data” from “who reviewed what” keeps the model clean, and is exactly what you want for:
468 -
469 -* governance
470 -* permissions
471 -* audit trails
472 -* future trust scoring per user / role.
473 -)))
474 -
475 -----
476 -
477 -=== 1.2 Design decisions I’m locking in (based on our discussions) ===
478 -
479 -To make the model consistent and “state-of-the-art”, I will assume the following as //current intended design//:
480 -
481 -1. (((
482 -**Claims vs Scenarios**
483 -
484 -* CLAIM is the stable identity for “what people argue about”.
485 -* CLAIM_VERSION are individual phrasings / formulations / metadata.
486 -* (((
487 -SCENARIO belongs to a **CLAIM**, not to a specific CLAIM_VERSION.
488 -Rationale:
489 -
490 -* Many different phrasings share the //same// scenario.
491 -* You avoid duplicating scenarios per wording.
492 -)))
493 -* SCENARIO_VERSION holds detailed definitions, assumptions, boundaries, etc.
494 -)))
495 -1. (((
496 -**Version-specific reasoning**
497 -
498 -* **Verdicts** are always attached to SCENARIO_VERSION (not base SCENARIO).
499 -* **Evidence links** are between SCENARIO_VERSION and EVIDENCE_VERSION.
500 -→ This is what we agreed when we said //“SCENARIO_EVIDENCE_LINK should link the respective versions instead”//.
501 -)))
502 -1. (((
503 -**Clusters**
504 -
505 -* CLAIM_CLUSTER groups Claims (semantically close claims).
506 -* It is visible in **both diagrams** (Core Data Model and Data Use).
507 -)))
508 -1. (((
509 -**Review vs data**
510 -
511 -* (((
512 -All review happens **on versioned entities**:
513 -
514 -* CLAIM_VERSION
515 -* SCENARIO_VERSION
516 -* EVIDENCE_VERSION
517 -* SCENARIO_EVIDENCE_LINK_VERSION
518 -* VERDICT_VERSION
519 -)))
520 -* REVIEW_ACTION is the generic log of //who// did //what// on //which version//.
521 -)))
522 -1. (((
523 -**Users & roles**
524 -
525 -* USER has an attribute (or a linked entity) that distinguishes **technical users** from normal accounts.
526 -* We //keep// TECHNICAL_USER as a specialisation of USER (strictly technical accounts).
527 -* All human & technical accounts can hold roles via USER_ROLE_MEMBERSHIP.
528 -* (((
529 -Roles include:
530 -
531 -* READER
532 -* CONTRIBUTOR
533 -* TRUSTED_CONTRIBUTOR
534 -* REVIEWER
535 -* MODERATOR
536 -* SYSTEM_ADMIN / MAINTAINER
537 -* FEDERATION_OPERATOR
538 -* FEDERATION_ADMIN
539 -(all present in the Data Use ERD, but as rows of ROLE rather than separate entities).
540 -)))
541 -)))
542 -
543 -----
544 -
545 -=== 1.3 Gaps / potential problems ===
546 -
547 -These are the main issues & missing areas I see:
548 -
549 -1. (((
550 -**Versioning text in chapter 5 is currently too thin (‘…’ placeholders)**
551 -
552 -* (((
553 -The spec does not yet //verbally// spell out:
554 -
555 -* the identity vs version pattern, systematically
556 -* how re-evaluation triggers are derived from version changes
557 -* how this aligns with federation (which versions are replicated where).
558 -)))
559 -)))
560 -1. (((
561 -**No explicit “provenance granularity” in the model**
562 -
563 -* (((
564 -EVIDENCE is a single entity. For more advanced use cases, you may later want:
565 -
566 -* EVIDENCE_SOURCE (the whole article/report/video)
567 -* EVIDENCE_FRAGMENT (specific paragraph/clip with its own reliability, quote, etc.)
568 -)))
569 -* For now, I’ll keep EVIDENCE/EVIDENCE_VERSION as is, but I’ll mention this as a possible extension.
570 -)))
571 -1. (((
572 -**Review target polymorphism**
573 -
574 -* (((
575 -REVIEW_ACTION can apply to multiple entity types. In the diagram this shows as multiple relationships:
576 -
577 -* CLAIM_VERSION → REVIEW_ACTION
578 -* SCENARIO_VERSION → REVIEW_ACTION
579 -* etc.
580 -)))
581 -* A more “pure” relational modeling would use a generic “subjectType + subjectId” or an intermediate “REVIEW_TARGET” table.
582 -* For readability, I’ll keep the simpler multi-edge representation and mention the polymorphism in text.
583 -)))
584 -1. (((
585 -**Federation details missing from core ERD**
586 -
587 -* There is no explicit FEDERATION_NODE / REPLICATION_LOG in the Data Model chapter.
588 -* This is ok for “core logical data model”, but I’ll add a short note that federation metadata is handled in the Federation chapter and via additional entities.
589 -)))
590 -1. (((
591 -**Automation / AKEL artifacts left implicit**
592 -
593 -* (((
594 -The Data Model chapter currently doesn’t describe:
595 -
596 -* AKEL task queues
597 -* extraction runs
598 -* model versions
599 -)))
600 -* That’s fine for now; I’ll just clarify that those belong to a “Processing / AKEL” submodel, not the core logical data model.
601 -)))