Changes for page POC2: Robust Quality & Reliability

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4	4
5	5	**Success Metric:** <5% hallucination rate, all 4 quality gates operational
6	6
7		-----
	7	+---
8	8
9	9	== 1. Overview ==
10	10
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13	13	**Key Innovation:** Complete quality validation pipeline catches all categories of errors
14	14
15	15	**What We're Proving:**
16		-
17	17	* All 4 quality gates work together effectively
18	18	* Evidence deduplication prevents artificial inflation
19	19	* System maintains quality at larger scale
20	20	* Quality metrics dashboard provides actionable insights
21	21
22		-----
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23	23
24	24	== 2. New Requirements ==
25	25
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32	32	**Purpose:** Ensure AI-linked evidence actually relates to the claim
33	33
34	34	**Validation Checks:**
35		-
36	36	1. **Semantic Similarity:** Cosine similarity between claim and evidence embeddings ≥ 0.6
37	37	2. **Entity Overlap:** At least 1 shared named entity between claim and evidence
38	38	3. **Topic Relevance:** Evidence discusses the claim's subject matter (score ≥ 0.5)
39	39
40	40	**Action if Failed:**
41		-
42	42	* Discard irrelevant evidence (don't count it)
43	43	* If <2 relevant evidence items remain → "Insufficient Evidence" verdict
44	44	* Log discarded evidence for quality review
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45	45
46	46	**Target:** 0% of evidence cited is off-topic
47	47
48		-----
	45	+---
49	49
50	50	==== Gate 3: Scenario Coherence Check ====
51	51
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52	52	**Purpose:** Validate scenarios are logical, complete, and meaningfully different
53	53
54	54	**Validation Checks:**
55		-
56	56	1. **Completeness:** All required fields populated (assumptions, scope, evidence context)
57	57	2. **Internal Consistency:** Assumptions don't contradict each other (score <0.3)
58	58	3. **Distinctiveness:** Scenarios are meaningfully different (similarity <0.8)
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59	59	4. **Minimum Detail:** At least 1 specific assumption per scenario
60	60
61	61	**Action if Failed:**
62		-
63	63	* Merge duplicate scenarios
64	64	* Flag contradictory assumptions for review
65	65	* Reduce confidence score by 20%
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67	67
68	68	**Target:** 0% duplicate scenarios, all scenarios internally consistent
69	69
70		-----
	65	+---
71	71
72	72	=== 2.2 FR54: Evidence Deduplication (NEW) ===
73	73
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77	77	**Purpose:** Prevent counting the same evidence multiple times when cited by different sources
78	78
79	79	**Problem:**
80		-
81	81	* Wire services (AP, Reuters) redistribute same content
82	82	* Different sites cite the same original study
83	83	* Aggregators copy primary sources
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84	84	* AKEL might count this as "5 sources" when it's really 1
85	85
86	86	**Solution: Content Fingerprinting**
87		-
88	88	* Generate SHA-256 hash of normalized text
89	89	* Detect near-duplicates (≥85% similarity) using fuzzy matching
90	90	* Track which sources cited each unique piece of evidence
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92	92
93	93	**Target:** Duplicate detection >95% accurate, evidence counts reflect reality
94	94
95		-----
	88	+---
96	96
97	97	=== 2.3 NFR13: Quality Metrics Dashboard (Internal) ===
98	98
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100	100	**Fulfills:** Real-time quality monitoring during development
101	101
102	102	**Dashboard Metrics:**
103		-
104	104	* Claim processing statistics
105	105	* Gate performance (pass/fail rates for each gate)
106	106	* Evidence quality metrics
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109	109
110	110	**Target:** Dashboard functional, all metrics tracked, exportable
111	111
112		-----
	104	+---
113	113
114	114	== 3. Success Criteria ==
115	115
116	116	**✅ Quality:**
117		-
118	118	* Hallucination rate <5% (target: <3%)
119	119	* Average quality rating ≥8.0/10
120	120	* 0 critical failures (publishable falsities)
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121	121	* Gates correctly identify >95% of low-quality outputs
122	122
123	123	**✅ All 4 Gates Operational:**
124		-
125	125	* Gate 1: Claim validation working
126	126	* Gate 2: Evidence relevance filtering working
127	127	* Gate 3: Scenario coherence checking working
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128	128	* Gate 4: Verdict confidence assessment working
129	129
130	130	**✅ Evidence Deduplication:**
131		-
132	132	* Duplicate detection >95% accurate
133	133	* Evidence counts reflect reality
134	134	* Provenance tracked correctly
135	135
136	136	**✅ Metrics Dashboard:**
137		-
138	138	* All metrics implemented and tracking
139	139	* Dashboard functional and useful
140	140	* Alerts trigger appropriately
141	141
142		-----
	130	+---
143	143
144	144	== 4. Architecture Notes ==
145	145
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154	154	{{/code}}
155	155
156	156	**Key Additions from POC1:**
157		-
158	158	* Scenario generation component
159	159	* Evidence deduplication system
160	160	* Gates 2 & 3 implementation
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161	161	* Quality metrics collection
162	162
163	163	**Still Simplified vs. Full System:**
164		-
165	165	* Single AKEL orchestration (not multi-component pipeline)
166	166	* No review queue
167	167	* No federation architecture
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168	168
169	169	**See:** [[Architecture>>Test.FactHarbor.Specification.Architecture.WebHome]] for details
170	170
171		-----
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172	172
173	173	== Related Pages ==
174	174
175		-* [[POC1>>FactHarbor.Archive.FactHarbor delta for V0\.9\.70.Roadmap.POC1.WebHome]] - Previous phase
176		-* [[Beta 0>>FactHarbor.Archive.FactHarbor delta for V0\.9\.70.Roadmap.Beta0.WebHome]] - Next phase
	161	+* [[POC1>>Test.FactHarbor.Roadmap.POC1.WebHome]] - Previous phase
	162	+* [[Beta 0>>Test.FactHarbor.Roadmap.Beta0.WebHome]] - Next phase
177	177	* [[Roadmap Overview>>Test.FactHarbor.Roadmap.WebHome]]
178	178	* [[Architecture>>Test.FactHarbor.Specification.Architecture.WebHome]]
179	179
180		-----
	166	+---
181	181
182	182	**Document Status:** ✅ POC2 Specification Complete - Waiting for POC1 Completion
183	183	**Version:** V0.9.70
	170	+