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Big Data Tech Team
Big Data Tech Team
Jan 25, 2026 · Databases

Unlocking Data Consistency: The Essential Guide to Data Modeling Stages

This article explains why many enterprises suffer from mismatched "Customer ID" fields, clarifies the distinction between data modeling (the process) and a data model (the result), and walks through conceptual, logical, and physical modeling as well as three common modeling approaches—normative, dimensional, and entity—highlighting their purposes, steps, and trade‑offs.

Database designconceptual modelingdimensional modeling
0 likes · 12 min read
Unlocking Data Consistency: The Essential Guide to Data Modeling Stages
Programmer DD
Programmer DD
Jul 24, 2024 · Databases

Designing a Google Calendar Clone: Step‑by‑Step Database Modeling Tutorial

This tutorial walks through designing a complete logical and physical database model for a Google Calendar clone, covering entities, attributes, relationships, handling all‑day and time events, recurrence rules, slots, and SQL table creation, while illustrating minimal‑modeling techniques.

Database designSQLcalendar app
0 likes · 41 min read
Designing a Google Calendar Clone: Step‑by‑Step Database Modeling Tutorial
Laiye Technology Team
Laiye Technology Team
Dec 10, 2021 · Artificial Intelligence

Best Practices for Building an Entity‑Relationship Annotation Tool at Laiye AI R&D Center

This article details Laiye Technology’s AI R&D team’s end‑to‑end approach to designing and optimizing a custom entity‑relationship annotation tool, covering data‑labeling challenges, shortcomings of Excel and off‑the‑shelf solutions, architectural requirements, line‑breaking and mark‑position algorithms, performance improvements, and real‑world results.

JavaScriptNLPPerformance Optimization
0 likes · 12 min read
Best Practices for Building an Entity‑Relationship Annotation Tool at Laiye AI R&D Center
Laravel Tech Community
Laravel Tech Community
Nov 19, 2020 · Databases

Fundamental Principles of Database Design: Entities, Keys, Normalization, and Optimization

This article outlines essential database design concepts, covering the relationship between source documents and entities, primary‑foreign key design, basic table characteristics, normalization standards, handling many‑to‑many relationships, primary key strategies, data redundancy, ER‑diagram considerations, view usage, and performance‑boosting techniques.

Database designForeign KeyPerformance Optimization
0 likes · 12 min read
Fundamental Principles of Database Design: Entities, Keys, Normalization, and Optimization
Architects Research Society
Architects Research Society
May 15, 2020 · Databases

Differences Between Conceptual and Logical Data Models

Conceptual data models depict entities and their relationships without attributes, while logical data models extend this by detailing attributes, primary keys, and foreign keys, providing a more granular view that serves as a bridge toward physical data modeling.

conceptual modelentity relationshiplogical model
0 likes · 8 min read
Differences Between Conceptual and Logical Data Models
MaGe Linux Operations
MaGe Linux Operations
Mar 22, 2018 · Artificial Intelligence

Mapping Character Relationships in 'Heavenly Sword and Dragon Slaying' with Jieba, Word2Vec & NetworkX

This article demonstrates how to combine Jieba segmentation, Word2Vec embeddings, and NetworkX graph visualization to extract and analyze character relationships from the Chinese novel "Heavenly Sword and Dragon Slaying," detailing data preparation, model training, entity matrix construction, and network graph generation.

Graph VisualizationNLPPython
0 likes · 10 min read
Mapping Character Relationships in 'Heavenly Sword and Dragon Slaying' with Jieba, Word2Vec & NetworkX
Architect
Architect
Nov 30, 2015 · Databases

A Historical Overview of Database Models: From Hierarchical to Relational and Beyond

This article traces the evolution of database models—from early hierarchical and network structures through the relational revolution and entity‑relationship diagrams to modern distributed and multi‑tenant designs—highlighting key concepts, technical challenges, and the theoretical foundations that shaped today’s data storage systems.

Hierarchical Modeldata modelingdatabase
0 likes · 27 min read
A Historical Overview of Database Models: From Hierarchical to Relational and Beyond