# LDT @ Library

> website providing human readable and machine access to broadly used controlled vocabularies and ontologies between libraries in Taiwan

**Wikidata**: [Q111226293](https://www.wikidata.org/wiki/Q111226293)  
**Source**: https://4ort.xyz/entity/ldt-library

## Summary
LDT @ Library is a website that provides human-readable and machine-accessible access to broadly used controlled vocabularies and ontologies between libraries in Taiwan.

## Key Facts
- Provides human readable and machine access to controlled vocabularies and ontologies for libraries in Taiwan
- Operated by National Taiwan University Library and National Central Library
- Launched on March 18, 2022
- Available in both Standard Taiwanese Mandarin and English
- Offers a reconciliation service API at https://ld.ncl.edu.tw/reconcile
- Provides a SPARQL endpoint at https://ld.ncl.edu.tw/fuseki/lod/query
- Classified as a website and linked open data resource
- Listed under the Cultural Heritage and GLAM catalogues on Wikimedia projects

## FAQs
### Q: What is LDT @ Library?
A: It is a website providing human-readable and machine-accessible access to controlled vocabularies and ontologies used by libraries in Taiwan.

### Q: When was LDT @ Library established?
A: It was launched on March 18, 2022.

### Q: Who created and maintains this resource?
A: The National Taiwan University Library and National Central Library created and maintain it.

### Q: What languages does the website support?
A: It supports both Standard Taiwanese Mandarin and English.

### Q: What is the purpose of this website?
A: To provide access to broadly used controlled vocabularies and ontologies between libraries in Taiwan.

## Why It Matters
LDT @ Library represents an important initiative in Taiwan's library community to enhance data interoperability and knowledge sharing. By providing machine-readable access to controlled vocabularies and ontologies, it enables libraries to improve cataloging accuracy, facilitate cross-institutional research, and contribute to the broader Linked Open Data movement. The project addresses the challenge of fragmented library data systems by creating a centralized, standardized resource that promotes consistency and accessibility across Taiwan's library sector. This contributes to the cultural heritage preservation efforts and supports the development of a more interconnected digital library ecosystem.

## Notable For
- First comprehensive Linked Open Data platform specifically for Taiwan's library community
- Provides both human-readable interfaces and machine-accessible APIs for controlled vocabularies
- Integrates with existing library systems through reconciliation and SPARQL endpoints
- Supports both traditional and English language interfaces for broader accessibility
- Developed as part of Taiwan's cultural heritage and GLAM cataloguing initiatives

## Body
### Core Functionality
LDT @ Library serves as a centralized repository for controlled vocabularies and ontologies used across Taiwan's library systems. The platform offers dual interfaces - one in Standard Taiwanese Mandarin and another in English - to accommodate different user needs and institutional preferences.

### Technical Architecture
The website implements a reconciliation service API at https://ld.ncl.edu.tw/reconcile, allowing systems to query and match data across different library vocabularies. It also provides a SPARQL endpoint at https://ld.ncl.edu.tw/fuseki/lod/query, enabling advanced semantic queries and data integration.

### Institutional Support
The project is jointly developed and maintained by two major Taiwanese libraries: the National Taiwan University Library and the National Central Library. This collaboration ensures comprehensive coverage of library-related controlled vocabularies and ontologies used throughout Taiwan's academic and public library systems.

### Language Support
The platform supports two primary languages:
- Standard Taiwanese Mandarin (the primary language)
- English (secondary language interface)

This bilingual approach enhances accessibility for both local and international users, facilitating broader participation in Taiwan's library data ecosystem.

### Data Access Methods
Users can access the controlled vocabularies through:
1. Web-based browsing interfaces
2. RESTful API endpoints for programmatic access
3. SPARQL queries for semantic data exploration
4. Reconciliation services for data matching and normalization

The platform's design emphasizes both human usability and machine interoperability, making it suitable for both library professionals and developers working with library data.

## References

1. [Source](https://www.ncl.edu.tw/information_236_13317.html)