Peter Song 
Every time Netflix suggests a show you might enjoy, Amazon displays products “customers also bought,” or Spotify creates a personalized playlist, you’re experiencing recommendation systems in action. These algorithms have become so seamlessly integrated into digital experiences that we barely notice them—yet they drive billions of dollars in revenue, shape our media consumption, and fundamentally … Read more
Organizations today face an overwhelming deluge of data from countless sources—application logs, customer interactions, sensor readings, social media feeds, financial transactions, and more. The question isn’t whether to store this data, but how to store it effectively. Two dominant paradigms have emerged: traditional databases and data lakes. While both store data, they represent fundamentally different … Read more
The rise of AI applications has created an unprecedented demand for vector databases—specialized systems designed to store, index, and search high-dimensional embeddings at scale. Whether you’re building a semantic search engine, a recommendation system, or a retrieval-augmented generation (RAG) application, selecting the right vector database can make or break your project. With dozens of options … Read more
In today’s data-driven world, organizations are drowning in information from countless sources—customer databases, social media feeds, IoT sensors, transaction logs, and more. The challenge isn’t just collecting this data; it’s transforming raw information into actionable insights. This is where ETL (Extract, Transform, Load) and ELT (Extract, Load, Transform) come into play. These data integration approaches … Read more
Machine learning can feel overwhelming when you’re just starting out. The theoretical concepts, mathematical foundations, and coding requirements create a steep learning curve that discourages many aspiring data scientists. But what if you could learn by doing, with real datasets and immediate feedback? That’s exactly what Kaggle offers, and it’s become the go-to platform for … Read more
The explosion of large language models has captivated the world with their impressive capabilities, but their multi-billion parameter architectures and substantial computational requirements make them impractical for edge deployment. Edge devices—smartphones, IoT sensors, embedded systems, and industrial controllers—demand models that run efficiently on limited hardware while maintaining acceptable performance. Custom small language models, typically ranging … Read more
Streaming database changes to Amazon Kinesis unlocks real-time data processing capabilities—enabling event-driven architectures, powering analytics dashboards with fresh data, and triggering automated workflows within seconds of database modifications. Change Data Capture (CDC) to Kinesis represents a powerful pattern, but implementing it correctly requires understanding multiple integration approaches, configuration nuances, and operational considerations. Poor implementations result … Read more
Machine learning model training workflows are inherently complex, involving multiple sequential and parallel tasks that must coordinate across different AWS services. From data preprocessing and feature engineering to model training, evaluation, and deployment, each step depends on the success of previous operations and must handle failures gracefully. AWS Step Functions provides a powerful orchestration layer … Read more
Real-time data streaming has become essential for modern applications that need to process events, analyze data, and react to changes as they happen. Two platforms dominate the streaming landscape: Apache Kafka, the open-source distributed streaming platform that has become synonymous with event streaming, and Amazon Kinesis, AWS’s fully managed streaming service. While both enable ingesting, … Read more
Machine learning models deployed to production require continuous monitoring to maintain their effectiveness and reliability. Unlike traditional software where bugs manifest as clear errors, ML models degrade silently as data distributions shift, business contexts evolve, and edge cases emerge that weren’t present in training data. AWS provides comprehensive monitoring capabilities through SageMaker Model Monitor, CloudWatch, … Read more
