About

Personal technical publication portal dedicated to Artificial Intelligence and Software Engineering.

Personal IT Portal Daily Tech Commitment AI & Engineering

Information & Technology Exploration Portal

Welcome to the personal web portal of Eko Teguh Widodo . This platform serves as an independent space to share insights, in-depth analyses, and practical engineering solutions centered around Artificial Intelligence and modern Software Systems.

Daily Publishing Commitment

Articles on this portal are dedicated to frequent publication to provide up-to-date reading material relevant to industry needs and academic research, establishing a helpful knowledge base for developers, researchers, and technology enthusiasts.

Core Focus & Technology Domains

Structured hierarchically from engineering foundations to advanced specializations (GNN & GeoAI).

Hierarchy: General → Specialized

1 Foundation

Software & Requirement Engineering

General • Foundation

Designing clean and modular software architectures (Clean Architecture), applying software design patterns, formal requirement elicitation and specification (Requirement Engineering), and managing the software engineering lifecycle (SDLC).

Key Topics: Clean Architecture Software Design Patterns Requirement Elicitation & Specs Modular Systems Clean Code Principles

2 QA & Testing

Quality Assurance & Automated Testing

General • Verification

Comprehensive software quality assurance strategies covering automated API testing (RestAssured), UI test automation, continuous testing in CI/CD pipelines, regression testing, and production-grade reliability validation.

Key Topics: API Automation Testing UI / End-to-End Testing Continuous Testing in CI/CD Regression & Performance Testing Test Frameworks

3 Data Stack

Data Engineering & Data Analysis

Intermediate • Data

Designing distributed large-scale data pipelines (ETL / ELT), data warehousing, dimensional data modeling, data governance, and exploratory statistical data analysis to support data-driven decision-making.

Key Topics: ETL / ELT Data Pipelines Data Modeling & Warehousing Data Governance Exploratory Data Analysis (EDA) Statistical Analytics

4 AI & ML

Artificial Intelligence & Machine Learning

Advanced • Core AI

Developing Machine Learning models, Deep Learning, Large Language Models (LLM), transformer architectures, and AI Engineering for predictive, analytical, and generative intelligent systems.

Key Topics: Deep Learning LLMs & Foundation Models Neural Networks MLOps Supervised & Unsupervised Learning

5 NLP

Natural Language Processing (NLP) & Text Analytics

Specialized • Language Domain

Advanced natural language processing and understanding, Named Entity Recognition (NER), text classification, semantic modeling, and textual corpus engineering for intelligent inference.

Key Topics: Named Entity Recognition (NER) Text Embeddings Sentiment Analysis Information Extraction Corpus Engineering

6 Semantics

Knowledge Graphs & Semantic Web

Specialized • Semantic Graphs

Formal structured knowledge representation, domain ontology modeling, W3C Semantic Web standards (RDF, RDFS, OWL, SPARQL), Virtual Knowledge Graphs (Ontop OBDA), and knowledge graph synergy with LLMs (GraphRAG).

Key Topics: Ontology Engineering Linked Open Data (LOD) SPARQL Ontop OBDA GraphRAG

7 GNN & Graph ML

Graph Representation Learning & GNN (Graph Neural Networks)

Specialized • Graph Learning

Representation learning on non-Euclidean graph structures, Graph Neural Network architectures (GCN, GAT, GraphSAGE), node and edge embeddings, link prediction, and deep graph inference.

Key Topics: Graph Neural Networks (GNN) Node & Edge Embeddings Graph Convolutional Networks (GCN) Graph Attention Networks (GAT) GraphSAGE Link Prediction

8 GeoAI

GeoAI (Geospatial Artificial Intelligence)

Specialized • Geospatial & GIS

Convergence of Artificial Intelligence with Geographic Information Systems (GIS), Remote Sensing, satellite imagery analysis, and Spatial Knowledge Graphs for spatial object detection and geospatial intelligence.

Key Topics: Spatial Deep Learning Satellite Imagery Analysis Remote Sensing GIS & Spatial Analytics Spatial Knowledge Graphs

Architecture & System Tech Stack

Modern technology foundations powering this web portal.

Astro 5 SSG Framework

Tailwind CSS Styling v4

TypeScript Type Safety

Markdown / MDX Shiki Syntax

GitHub Pages CI/CD Hosting

RSS & Sitemap Syndication

Connect & Contact

Interested in discussing AI, GNN, Knowledge Graphs, GeoAI, Data Engineering, or QA Software Engineering? Connect directly through the verified social links below:

Connect on LinkedIn → Visit Instagram → GitHub