Category 9: Database Architecture and Technology Types

Summary from: Real-World Database Sources Comprehensive Document

Purpose: Classification of 310+ database sources by technical architecture, structure, and access technologies

Note: This category summarizes the technical characteristics and access methods of real-world database sources identified across all categories, organized by architecture type rather than subject matter.

9.1 Web Portals and Websites

Architecture: Traditional web-based interfaces, HTML/HTTP access

Note: Count not specified in source document - majority of sources use web portal access

Characteristics:

Examples by Category:

Access Type: Web Interface Public Access Free

9.2 REST API Services

Architecture: RESTful API endpoints, JSON/XML responses

Note: Count not specified in source document - API services identified include geocoding, translation, and media services

Characteristics:

Examples by Category:

Access Type: REST API API Key Required Free/Paid Tiers

9.3 Open Data Portals

Architecture: Standardized open data platforms (CKAN, Socrata, custom)

Note: Count not specified in source document - identified as access method for government data

Characteristics:

Examples:

Access Type: Open Data Platform Public Access Free API Available

9.4 Geographic/Spatial Databases

Architecture: Spatial databases with geographic data structures

Note: Count not specified in source document - document notes 85-95% of endpoints have geographic markers

Characteristics:

Examples by Category:

Geomarker Coverage: 85-95% of endpoints have geographic markers across categories

Access Type: Spatial Database Geographic Data Map Interface

9.5 Research Repositories and Academic Databases

Architecture: Academic database systems, institutional repositories

Note: Document references university research databases with note: "Top 5 universities estimated 450,000-900,000 endpoints; Universities 6-50 estimated 2,000,000-4,000,000 endpoints"

Characteristics:

Examples:

Access Type: Research Repository Institutional Access Academic

9.6 Commercial Database Systems

Architecture: Commercial database platforms, proprietary systems

Note: Document lists 3+ commercial/trade databases

Characteristics:

Examples:

Access Type: Commercial Platform Paid/Subscription Proprietary

9.7 Interactive Map Services

Architecture: Web-based mapping interfaces, tile services

Note: Count not specified in source document - identified as access method for geographic data

Characteristics:

Examples:

Access Type: Interactive Map Web Interface Public Access

9.8 Summary by Technology Type

Total Sources: 310+ unique database sources (from source document)

Documented Access Methods (from source document):

Key Technical Characteristics (from source document):

Note: Technology type distribution percentages are not provided in the source document. The document organizes sources by subject category rather than technical architecture.

For complete listing of all database sources with detailed technical specifications, see the full document: REAL_WORLD_DATABASE_SOURCES_COMPREHENSIVE_2025-12-27.md

This page is a summary of Category 9 content from the Real-World Database Sources document, classifying database sources by technical architecture and technology types rather than subject matter.