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53 Data in AI Era : What Is a Data Warehouse?

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What Is a Data Warehouse—and Why Does It Still Matter in the Age of AI? Abstract Despite decades of evolution in data platforms—from on-premise warehouses to cloud-native lakehouses and AI-driven analytics—the foundational concept of the data warehouse remains structurally unchanged. This persistence is not accidental. It reflects a fundamental architectural constraint: the systems that run a business are inherently incompatible with the systems required to analyze it. This article revisits the concept of the data warehouse, not as historical background, but as a living abstraction that continues to underpin modern data and AI systems. Drawing from both classical theory and contemporary industry practice, we examine why the separation between transactional and analytical systems exists, how it manifests in modern architectures, and why it becomes even more critical in AI-augmented environments. 1. Start With the Wrong Question Most discussions around data architecture begin wit...
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52 Data in AI Era : About blog series

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From Data Warehouse to AI-Augmented Enterprise A Practitioner-Led Inquiry into the Changing Nature of Data Work Abstract The rapid adoption of artificial intelligence in enterprise data ecosystems has triggered a structural shift in how data roles are defined, executed, and governed. While much of the discussion focuses on automation—AI writing SQL, generating pipelines, and accelerating delivery—less attention has been paid to the second-order effects: the reconfiguration of architectural responsibility, governance accountability, and decision ownership. This blog series presents a structured exploration of this transition, grounded in a practitioner survey  spanning data architects, engineers, delivery leaders, and program managers. The series translates textbook theory into industry reality , connecting foundational concepts with how they are being reshaped in practice. 1. Motivation: Beyond the Automation Narrative The prevailing narrative suggests that AI is replacing ...
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51 GenAI in Banking & Finance: AI Governance Framework in Financial Institutions

Institutionalizing Trust, Accountability, and Control in Intelligent Systems 1. Introduction The integration of Artificial Intelligence (AI) into financial systems has extended far beyond isolated analytical use cases. AI now underpins core institutional processes, influencing credit allocation, fraud detection, risk modeling, and customer engagement. As a result, the scope of risk has expanded from individual models to the broader socio-technical systems in which these models operate. While Model Risk Management (MRM) provides a structured approach to validating and monitoring individual models, it does not fully address systemic concerns such as ethical use, cross-functional dependencies, and enterprise-wide accountability. This necessitates a comprehensive AI Governance Framework , which ensures that AI systems are not only technically sound but also aligned with institutional values, regulatory expectations, and societal norms. 2. Conceptual Foundations of AI Governance 2....
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