Item-Based Collaborative Filtering
Learn how Item-Based Collaborative Filtering, a scalable algorithm for real-time recommendations measures similarity & predicts preferences.
Algorithms
Posts about algorithms and their implementations.
Scalable System Design: Design a Contact Tracing System
In this post, I want to address scalable system design and how to grow a system while it's user base grows.
Converting Roman Numerals To Decimal Integers
This blog post addresses converting Roman Numerals to decimal integers as a preparation for a coding interview for Big Tech.
Traversing a 2D Matrix
In this blog, I address the problem of 'find the number of islands' or 'connected components in an undirected graph' traversing a 2D matrix.
Role-Based Access Control in PHP: Database Schema, Algorithms, and Implementation
Complete guide to RBAC in PHP: database schema, why BST beats naive iteration (O(n log m) vs O(u×r×p)), implementation with simple-rbac library, and common pitfalls.
Recommendation Assistant 1.0.0 is here
Recommendation Assistant in version 1.0.0 is part of my Master's Thesis and denotes a hybrid approach of Recommendation Algorithms.
Contact Synchronization Client: A First Try
This blog post describes a first attempt at building a contact synchronization client using PHP and Python.
Integer Bitvectors and the Theory Behind
Integer Bitvectors provide an efficient way to search & manage large, unsorted data. Learn theory, implementation & practical applications.
Resolving Database Dependencies Using Topological Graph Sorting
Learn how topological graph sorting can resolve database dependencies, handle normalization violations & optimize database management.
RecommendationAssistant is on the Nextcloud App Store now
This post is an announcement that RecommendationAssistant is on the Nextcloud App Store now. Read how to download and install.