Data Bricklaying Diary
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Data Bricklaying Diary

Records practices, thoughts, and pitfalls on the data grunt-work journey, sharing content on data platforms, data analysis, data processing, data governance, knowledge graphs, and more. Less theory, more hands‑on, making complex data technologies simple.

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Data Bricklaying Diary
Data Bricklaying Diary
Oct 1, 2026 · Fundamentals

Mission Engineering: Steps Done ≠ Mission Accomplished — A Coffee Lesson

This article introduces Mission Engineering through a coffee-making analogy, emphasizing that completing steps doesn't guarantee mission success; it outlines a structured approach using a Mission Description Card to define goals, stakeholders, constraints, and success criteria, and advocates iterative experimentation over rigid processes.

Coffee AnalogyDoD GuideIterative Experimentation
0 likes · 19 min read
Mission Engineering: Steps Done ≠ Mission Accomplished — A Coffee Lesson
Data Bricklaying Diary
Data Bricklaying Diary
Sep 30, 2026 · R&D Management

From Agent Error to Team Capability: A Systematic Improvement Framework

The article presents a systematic framework for converting AI agent errors into reusable team capabilities by tracing root causes across requirements, design, context, implementation, and testing, then codifying fixes as templates, executable test cases, and maintained tools with defined scope and validation steps.

AI agentsDevOpscontinuous-improvement
0 likes · 16 min read
From Agent Error to Team Capability: A Systematic Improvement Framework
Data Bricklaying Diary
Data Bricklaying Diary
Sep 30, 2026 · Artificial Intelligence

Ontology Intelligence Pilots: Readiness Depends on Specific Conditions, Not Company Size

The article argues that suitability for ontology intelligence pilots depends on specific readiness conditions—concrete tasks, accessible data, verifiable results, clear authority for rule confirmation, and maintenance plans—not company size, illustrating with a comparison of two enterprises and providing a six-item checklist for project preparation.

after-sales servicebusiness rulesdata governance
0 likes · 17 min read
Ontology Intelligence Pilots: Readiness Depends on Specific Conditions, Not Company Size
Data Bricklaying Diary
Data Bricklaying Diary
Sep 29, 2026 · R&D Management

Beyond the AI Hero: Building Sustainable Team Delivery in the Agent Era

The article argues that individual AI proficiency does not guarantee team delivery sustainability, advocating for clear role responsibilities, handover exercises to validate shared capabilities, hiring for AI usage plus engineering judgment and collaboration, and risk-based automation decisions to build organizational capability in the Agent era.

AI-assisted developmentAgent erahandover testing
0 likes · 12 min read
Beyond the AI Hero: Building Sustainable Team Delivery in the Agent Era
Data Bricklaying Diary
Data Bricklaying Diary
Sep 29, 2026 · Industry Insights

Is Your Ontology Project Worth It? Measure Value by Reduced Rework, Not Graph Size

This article presents a rigorous framework for evaluating ontology project value through concrete business task improvements—such as reduced verification time, misrouting, and rework—rather than graph metrics, using a broadband cancellation case study to demonstrate marginal contribution analysis, end-to-end acceptance criteria, TCO/ROI calculation, and sunk-cost-aware investment decisions.

ROITCObusiness value assessment
0 likes · 20 min read
Is Your Ontology Project Worth It? Measure Value by Reduced Rework, Not Graph Size
Data Bricklaying Diary
Data Bricklaying Diary
Sep 28, 2026 · Artificial Intelligence

Will Your Ontology Investment Survive the Next LLM Upgrade? A Portability Checklist

As large language models improve, enterprises must distinguish between obsolete manual ontology tasks and enduring business semantics—definitions, rules, mappings, evidence, and test cases—that should be decoupled from platforms and validated through disengagement drills to avoid vendor lock-in and ensure portable, verifiable knowledge assets.

Large Language ModelsMigration TestingOWL 2
0 likes · 18 min read
Will Your Ontology Investment Survive the Next LLM Upgrade? A Portability Checklist
Data Bricklaying Diary
Data Bricklaying Diary
Sep 26, 2026 · Artificial Intelligence

Why Your RAG System Still Gets Business Logic Wrong (And When Ontologies Help)

Even with accurate RAG retrieval, business logic errors persist due to field mapping mismatches, missing facts, batch rules, and implementation flaws; ontologies unify reusable definitions but cannot replace data, computation, or permissions, so teams should first diagnose the exact failure point before investing in ontology modeling.

Business LogicField MappingRAG
0 likes · 15 min read
Why Your RAG System Still Gets Business Logic Wrong (And When Ontologies Help)
Data Bricklaying Diary
Data Bricklaying Diary
Sep 26, 2026 · R&D Management

Why Your Enterprise AI Sits Unused: From Deployment to Value Operations

This article analyzes why employees abandon enterprise AI tools after launch, presenting a three-level adoption framework and a six-barrier diagnostic table, then details practical steps—embedding AI in workflows, building verifiable trust, clarifying accountability, training for independent judgment, and tracking a metrics scorecard—to iteratively validate real productivity gains before scaling.

adoption barriersemployee trainingenterprise AI adoption
0 likes · 24 min read
Why Your Enterprise AI Sits Unused: From Deployment to Value Operations