Changes for page Data Model (From Specification Chat)
Last modified by Robert Schaub on 2025/12/24 20:35
From version 7.1
edited by Robert Schaub
on 2025/11/27 12:41
on 2025/11/27 12:41
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To version 1.2
edited by Robert Schaub
on 2025/11/27 12:03
on 2025/11/27 12:03
Change comment:
Update document after refactoring.
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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. ... ... @@ -61,187 +61,229 @@ 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 -**Important points:** 68 - 69 -* Scenarios and Evidence are **linked via their versions** 70 - ({{code}}SCENARIO_VERSION{{/code}} and {{code}}EVIDENCE_VERSION{{/code}}). 71 -* Verdicts are **per ScenarioVersion** and stored in {{code}}VERDICT_VERSION{{/code}}. 72 -* {{code}}CLAIM_CLUSTER{{/code}} is shared across diagrams; it is shown here and in the Data Use / Review model. 73 - 74 -All version entities are immutable: once created, they are never changed, only 75 -superseded by newer versions. 76 - 77 ----- 78 - 79 -= 5.3 Data Use & Review ERD (expanded, versioned) = 80 - 81 -The **Data Use** model captures who does what with which versioned data: 82 - 83 -* Users (including technical users) 84 -* Roles and role assignments 85 -* Review actions on versioned entities 86 - 87 -{{comment}} Data Use ERD (Mermaid, from /Specification/Diagrams/Data Use ERD) {{/comment}} 88 -{{include document="FactHarbor.Playground.Data Use ERD Page (from Specification chat).WebHome" reference="FactHarbor.Playground.data.Data Use ERD Page (from Specification chat).WebHome"/}} 89 - 90 -= Data Use ERD (Roles, Review & Versioned Entities) = 91 - 92 -This diagram shows how users, roles, and review actions relate to the 93 -versioned core entities. 94 - 95 95 {{mermaid}} 96 96 erDiagram 97 - %% Core clusters shown for context62 + 98 98 CLAIM_CLUSTER { 99 - string ClusterID PK 100 - string EmbeddingVectorRef 101 - string Theme 64 + string claimClusterId 65 + string theme 66 + string embeddingVectorRef 67 + string language 68 + datetime createdAt 102 102 } 103 103 104 104 CLAIM { 105 - string ClaimID PK106 - string ClusterI DFK107 - string Status108 - datetime CreatedAt72 + string claimId 73 + string claimClusterIdFk 74 + string status 75 + datetime createdAt 109 109 } 110 110 111 111 CLAIM_VERSION { 112 - string ClaimVersionID PK 113 - string ClaimID FK 114 - string Text 115 - string ClaimType 116 - string Domain 117 - datetime CreatedAt 79 + string claimVersionId 80 + string claimIdFk 81 + string text 82 + string language 83 + string claimType 84 + string domain 85 + string authorType 86 + datetime createdAt 118 118 } 119 119 120 120 SCENARIO { 121 - string ScenarioID PK 122 - string ClaimID FK 123 - string Name 124 - datetime CreatedAt 90 + string scenarioId 91 + string claimIdFk 92 + string key 93 + string title 94 + boolean isDeprecated 125 125 } 126 126 127 127 SCENARIO_VERSION { 128 - string ScenarioVersionID PK 129 - string ScenarioID FK 130 - string Definitions 131 - string Assumptions 132 - string Boundaries 133 - datetime CreatedAt 98 + string scenarioVersionId 99 + string scenarioIdFk 100 + string versionTag 101 + string definitionsJson 102 + string assumptionsJson 103 + string boundariesJson 104 + string notes 105 + datetime createdAt 134 134 } 135 135 136 136 EVIDENCE { 137 - string EvidenceID PK 138 - string SourceType 139 - string URL 140 - float ReliabilityScore 109 + string evidenceId 110 + string canonicalSourceId 111 + string mainUrl 112 + string evidenceType 113 + string language 141 141 } 142 142 143 143 EVIDENCE_VERSION { 144 - string EvidenceVersionID PK 145 - string EvidenceID FK 146 - string Summary 147 - float ReliabilityScore 148 - datetime CreatedAt 117 + string evidenceVersionId 118 + string evidenceIdFk 119 + string snapshotLocation 120 + string extractionSummary 121 + string reliabilityModel 122 + datetime collectedAt 123 + datetime createdAt 149 149 } 150 150 126 + SCENARIO_EVIDENCE_LINK { 127 + string scenarioEvidenceLinkId 128 + string scenarioIdFk 129 + string evidenceIdFk 130 + } 131 + 132 + SCENARIO_EVIDENCE_LINK_VERSION { 133 + string scenarioEvidenceLinkVersionId 134 + string scenarioEvidenceLinkIdFk 135 + string scenarioVersionIdFk 136 + string evidenceVersionIdFk 137 + float relevance 138 + string direction %% SUPPORTS / CONTRADICTS / MIXED / CONTEXT 139 + string rationale 140 + datetime createdAt 141 + } 142 + 151 151 VERDICT { 152 - string VerdictID PK 153 - string ScenarioID FK 144 + string verdictId 145 + string scenarioIdFk 146 + string verdictType %% e.g. likelihood, classification 154 154 } 155 155 156 156 VERDICT_VERSION { 157 - string VerdictVersionID PK 158 - string VerdictID FK 159 - float Verdict 160 - float Confidence 161 - string Reasoning 162 - datetime CreatedAt 150 + string verdictVersionId 151 + string verdictIdFk 152 + string scenarioVersionIdFk 153 + float probability 154 + float confidence 155 + string reasoningSummary 156 + string uncertaintyFactorsJson 157 + datetime createdAt 163 163 } 164 164 165 - %% Users and roles 160 + %% Relationships 161 + 162 + CLAIM_CLUSTER ||--o{ CLAIM : contains 163 + CLAIM ||--o{ CLAIM_VERSION : has_versions 164 + CLAIM ||--o{ SCENARIO : has_scenarios 165 + SCENARIO ||--o{ SCENARIO_VERSION : has_versions 166 + 167 + EVIDENCE ||--o{ EVIDENCE_VERSION : has_versions 168 + 169 + SCENARIO ||--o{ SCENARIO_EVIDENCE_LINK : may_link 170 + EVIDENCE ||--o{ SCENARIO_EVIDENCE_LINK : may_link 171 + 172 + SCENARIO_EVIDENCE_LINK ||--o{ SCENARIO_EVIDENCE_LINK_VERSION : has_versions 173 + 174 + SCENARIO_VERSION ||--o{ SCENARIO_EVIDENCE_LINK_VERSION : uses_evidence 175 + EVIDENCE_VERSION ||--o{ SCENARIO_EVIDENCE_LINK_VERSION : is_used_in 176 + 177 + SCENARIO ||--o{ VERDICT : has_verdicts 178 + VERDICT ||--o{ VERDICT_VERSION : has_versions 179 + SCENARIO_VERSION ||--o{ VERDICT_VERSION : assessed_in 180 +{{/mermaid}} 181 + 182 +**Important points:** 183 + 184 +* Scenarios and Evidence are **linked via their versions** 185 + ({{code}}SCENARIO_VERSION{{/code}} and {{code}}EVIDENCE_VERSION{{/code}}). 186 +* Verdicts are **per ScenarioVersion** and stored in {{code}}VERDICT_VERSION{{/code}}. 187 +* {{code}}CLAIM_CLUSTER{{/code}} is shared across diagrams; it is shown here and in the Data Use / Review model. 188 + 189 +All version entities are immutable: once created, they are never changed, only 190 +superseded by newer versions. 191 + 192 +---- 193 + 194 += 5.3 Data Use & Review ERD (expanded, versioned) = 195 + 196 +The **Data Use** model captures who does what with which versioned data: 197 + 198 +* Users (including technical users) 199 +* Roles and role assignments 200 +* Review actions on versioned entities 201 + 202 +{{mermaid}} 203 +erDiagram 204 + 166 166 USER { 167 - string UserID PK 168 - string Handle 169 - string Email 206 + string userId 207 + string displayName 208 + string email 209 + string userType %% "human" or "technical" 210 + datetime createdAt 170 170 } 171 171 172 172 TECHNICAL_USER { 173 - string UserID PK 174 - string SystemName 214 + string technicalUserId 215 + string userIdFk 216 + string description 217 + string systemIdentifier 175 175 } 176 176 177 - CONTRIBUTING_USER { 178 - string UserID PK 179 - string DisplayName 220 + ROLE { 221 + string roleId 222 + string code %% e.g. READER, CONTRIBUTOR, REVIEWER, TRUSTED_CONTRIBUTOR, MODERATOR, SYSTEM_ADMIN, FEDERATION_OPERATOR, FEDERATION_ADMIN 223 + string description 224 + boolean isFederationRole 180 180 } 181 181 182 - TRUSTED_CONTRIBUTOR { 183 - string UserID PK 184 - string TrustLevel 227 + USER_ROLE_MEMBERSHIP { 228 + string membershipId 229 + string userIdFk 230 + string roleIdFk 231 + datetime grantedAt 232 + string grantedByUserIdFk 185 185 } 186 186 187 - REVIEWER { 188 - string UserID PK 189 - string Domain 235 + REVIEW_ACTION { 236 + string reviewActionId 237 + string subjectType %% e.g. CLAIM_VERSION, SCENARIO_VERSION... 238 + string subjectVersionId 239 + string actionType %% APPROVE, REJECT, FLAG, COMMENT, REQUEST_CHANGES... 240 + string outcome %% ACCEPTED, REJECTED, ESCALATED... 241 + string comment 242 + string createdByUserIdFk 243 + datetime createdAt 190 190 } 191 191 192 - EXPERT { 193 - string UserID PK 194 - string ExpertiseArea 246 + %% Versioned data entities (references from the core model) 247 + 248 + CLAIM_VERSION { 249 + string claimVersionId 195 195 } 196 196 197 - FEDERATION_NODE { 198 - string NodeID PK 199 - string Region 252 + SCENARIO_VERSION { 253 + string scenarioVersionId 200 200 } 201 201 202 - FEDERATION_ADMIN { 203 - string UserID PK 204 - string Permissions 256 + EVIDENCE_VERSION { 257 + string evidenceVersionId 205 205 } 206 206 207 - REVIEW_ACTION { 208 - string ReviewActionID PK 209 - string UserID FK 210 - string TargetEntityType 211 - string TargetEntityVersionID 212 - string ActionType 213 - string Comment 214 - datetime Timestamp 260 + SCENARIO_EVIDENCE_LINK_VERSION { 261 + string scenarioEvidenceLinkVersionId 215 215 } 216 216 217 - %%Inheritance/ specialization (modelled as relationships)218 - USER||--o{TECHNICAL_USER:"isa"219 - USER ||--o{ CONTRIBUTING_USER : "is a"264 + VERDICT_VERSION { 265 + string verdictVersionId 266 + } 220 220 221 - CONTRIBUTING_USER ||--o{ TRUSTED_CONTRIBUTOR : "subset" 222 - CONTRIBUTING_USER ||--o{ REVIEWER : "subset" 223 - CONTRIBUTING_USER ||--o{ EXPERT : "subset" 268 + %% Relationships 224 224 225 - TECHNICAL_USER ||--o{ FEDERATION_NODE : "operates" 226 - TECHNICAL_USER ||--o{ FEDERATION_ADMIN : "administers" 270 + USER ||--o{ TECHNICAL_USER : may_be 271 + USER ||--o{ USER_ROLE_MEMBERSHIP : has_role 272 + ROLE ||--o{ USER_ROLE_MEMBERSHIP : assigned_to 227 227 228 - %% Review actions on versioned entities 229 229 USER ||--o{ REVIEW_ACTION : performs 230 230 231 - REVIEW_ACTION }o--|| CLAIM_VERSION : reviews 232 - REVIEW_ACTION }o--|| SCENARIO_VERSION : reviews 233 - REVIEW_ACTION }o--|| EVIDENCE_VERSION : reviews 234 - REVIEW_ACTION }o--|| VERDICT_VERSION : reviews 276 + CLAIM_VERSION ||--o{ REVIEW_ACTION : is_reviewed_in 277 + SCENARIO_VERSION ||--o{ REVIEW_ACTION : is_reviewed_in 278 + EVIDENCE_VERSION ||--o{ REVIEW_ACTION : is_reviewed_in 279 + SCENARIO_EVIDENCE_LINK_VERSION ||--o{ REVIEW_ACTION : is_reviewed_in 280 + VERDICT_VERSION ||--o{ REVIEW_ACTION : is_reviewed_in 235 235 {{/mermaid}} 236 236 237 -{{info}} 238 -This diagram focuses on *who* uses and reviews *which* versioned entities. 239 -USER is the base type; TECHNICAL_USER and CONTRIBUTING_USER are specializations. 240 -Other roles (REVIEWER, EXPERT, TRUSTED_CONTRIBUTOR, FEDERATION_ADMIN, FEDERATION_NODE) 241 -are modelled as specializations or technical subtypes. 242 -{{/info}} 243 - 244 - 245 245 Notes: 246 246 247 247 * Most roles (READER, CONTRIBUTOR, TRUSTED_CONTRIBUTOR, REVIEWER, MODERATOR, ... ... @@ -271,7 +271,7 @@ 271 271 * It may inherit some links from earlier scenarios, or start empty depending 272 272 on the change classification (cosmetic vs. conceptual). 273 273 * All verdicts for that scenario are recalculated and stored as new 274 -{{code}}VERDICT_VERSION{{/code}} entries. 312 + {{code}}VERDICT_VERSION{{/code}} entries. 275 275 276 276 * REVIEW_ACTIONs are always attached to the **exact version** that was seen by 277 277 the reviewer. This preserves a faithful audit trail if data later changes. ... ... @@ -308,173 +308,3 @@ 308 308 Federation-specific entities (such as {{code}}FEDERATION_NODE{{/code}}, 309 309 replication logs, and trust rules) are described in the Federation & 310 310 Decentralization chapter and build on top of the core data model defined here. 311 - 312 ----- 313 - 314 -== 1. Overall analysis & review of the data model == 315 - 316 -=== 1.1 Strengths of the current design === 317 - 318 -* ((( 319 -**Identity vs. version pattern** 320 -Using base entities plus version entities (CLAIM + CLAIM_VERSION, SCENARIO + SCENARIO_VERSION, etc.) is exactly how modern knowledge systems handle: 321 - 322 -* auditability 323 -* time evolution 324 -* re-evaluation triggers 325 -* federation and partial replication 326 -))) 327 -* ((( 328 -**Scenario-centric reasoning** 329 -Separating //Claim// (what people argue about) from //Scenario// (interpretive frame) is very aligned with “truth landscape” style systems: 330 - 331 -* Scenarios explain //why people disagree//. 332 -* Verdicts are tied to specific scenario versions → avoids mixing incompatible assumptions. 333 -))) 334 -* **Evidence and verdicts as first-class entities** 335 -Evidence is explicit, linked to scenarios, and verdicts are per scenario. This matches good practice from fact-checking, scientific assessment panels, and trust graphs. 336 -* ((( 337 -**Cluster level (CLAIM_CLUSTER)** 338 -Grouping related claims avoids duplication and lets you: 339 - 340 -* reuse scenarios across paraphrases 341 -* share embeddings / semantic search 342 -* keep the system scalable as the corpus grows. 343 -))) 344 -* ((( 345 -**Explicit review layer (REVIEW_ACTION, roles, etc.)** 346 -Separating “data” from “who reviewed what” keeps the model clean, and is exactly what you want for: 347 - 348 -* governance 349 -* permissions 350 -* audit trails 351 -* future trust scoring per user / role. 352 -))) 353 - 354 ----- 355 - 356 -=== 1.2 Design decisions I’m locking in (based on our discussions) === 357 - 358 -To make the model consistent and “state-of-the-art”, I will assume the following as //current intended design//: 359 - 360 -1. ((( 361 -**Claims vs Scenarios** 362 - 363 -* CLAIM is the stable identity for “what people argue about”. 364 -* CLAIM_VERSION are individual phrasings / formulations / metadata. 365 -* ((( 366 -SCENARIO belongs to a **CLAIM**, not to a specific CLAIM_VERSION. 367 -Rationale: 368 - 369 -* Many different phrasings share the //same// scenario. 370 -* You avoid duplicating scenarios per wording. 371 -))) 372 -* SCENARIO_VERSION holds detailed definitions, assumptions, boundaries, etc. 373 -))) 374 -1. ((( 375 -**Version-specific reasoning** 376 - 377 -* **Verdicts** are always attached to SCENARIO_VERSION (not base SCENARIO). 378 -* **Evidence links** are between SCENARIO_VERSION and EVIDENCE_VERSION. 379 -→ This is what we agreed when we said //“SCENARIO_EVIDENCE_LINK should link the respective versions instead”//. 380 -))) 381 -1. ((( 382 -**Clusters** 383 - 384 -* CLAIM_CLUSTER groups Claims (semantically close claims). 385 -* It is visible in **both diagrams** (Core Data Model and Data Use). 386 -))) 387 -1. ((( 388 -**Review vs data** 389 - 390 -* ((( 391 -All review happens **on versioned entities**: 392 - 393 -* CLAIM_VERSION 394 -* SCENARIO_VERSION 395 -* EVIDENCE_VERSION 396 -* SCENARIO_EVIDENCE_LINK_VERSION 397 -* VERDICT_VERSION 398 -))) 399 -* REVIEW_ACTION is the generic log of //who// did //what// on //which version//. 400 -))) 401 -1. ((( 402 -**Users & roles** 403 - 404 -* USER has an attribute (or a linked entity) that distinguishes **technical users** from normal accounts. 405 -* We //keep// TECHNICAL_USER as a specialisation of USER (strictly technical accounts). 406 -* All human & technical accounts can hold roles via USER_ROLE_MEMBERSHIP. 407 -* ((( 408 -Roles include: 409 - 410 -* READER 411 -* CONTRIBUTOR 412 -* TRUSTED_CONTRIBUTOR 413 -* REVIEWER 414 -* MODERATOR 415 -* SYSTEM_ADMIN / MAINTAINER 416 -* FEDERATION_OPERATOR 417 -* FEDERATION_ADMIN 418 -(all present in the Data Use ERD, but as rows of ROLE rather than separate entities). 419 -))) 420 -))) 421 - 422 ----- 423 - 424 -=== 1.3 Gaps / potential problems === 425 - 426 -These are the main issues & missing areas I see: 427 - 428 -1. ((( 429 -**Versioning text in chapter 5 is currently too thin (‘…’ placeholders)** 430 - 431 -* ((( 432 -The spec does not yet //verbally// spell out: 433 - 434 -* the identity vs version pattern, systematically 435 -* how re-evaluation triggers are derived from version changes 436 -* how this aligns with federation (which versions are replicated where). 437 -))) 438 -))) 439 -1. ((( 440 -**No explicit “provenance granularity” in the model** 441 - 442 -* ((( 443 -EVIDENCE is a single entity. For more advanced use cases, you may later want: 444 - 445 -* EVIDENCE_SOURCE (the whole article/report/video) 446 -* EVIDENCE_FRAGMENT (specific paragraph/clip with its own reliability, quote, etc.) 447 -))) 448 -* For now, I’ll keep EVIDENCE/EVIDENCE_VERSION as is, but I’ll mention this as a possible extension. 449 -))) 450 -1. ((( 451 -**Review target polymorphism** 452 - 453 -* ((( 454 -REVIEW_ACTION can apply to multiple entity types. In the diagram this shows as multiple relationships: 455 - 456 -* CLAIM_VERSION → REVIEW_ACTION 457 -* SCENARIO_VERSION → REVIEW_ACTION 458 -* etc. 459 -))) 460 -* A more “pure” relational modeling would use a generic “subjectType + subjectId” or an intermediate “REVIEW_TARGET” table. 461 -* For readability, I’ll keep the simpler multi-edge representation and mention the polymorphism in text. 462 -))) 463 -1. ((( 464 -**Federation details missing from core ERD** 465 - 466 -* There is no explicit FEDERATION_NODE / REPLICATION_LOG in the Data Model chapter. 467 -* 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. 468 -))) 469 -1. ((( 470 -**Automation / AKEL artifacts left implicit** 471 - 472 -* ((( 473 -The Data Model chapter currently doesn’t describe: 474 - 475 -* AKEL task queues 476 -* extraction runs 477 -* model versions 478 -))) 479 -* That’s fine for now; I’ll just clarify that those belong to a “Processing / AKEL” submodel, not the core logical data model. 480 -)))