OPAC 1.0, OPAC 2.0 & OPAC 3.0

 

Aspect	OPAC 1.0	OPAC 2.0	OPAC 3.0
Cataloging Standards	Primarily MARC format	Includes MARC, Dublin Core	Flexible with BIBFRAME, RDF
Search Capabilities	Keyword and Boolean searches	Advanced search, faceted searching	Semantic web, natural language processing
Integration Capabilities	Limited external database integration	APIs for external data exchange	Extensive APIs, integration with digital libraries
User Experience	Text-based interfaces	Graphical user interface, improved navigation	Customizable, mobile-friendly interfaces
Digital Resources Management	Limited to bibliographic records	Support for digital collections, e-resources	Comprehensive digital asset management
Collaboration Tools	None	Limited, such as shared lists	Integrated social features, user reviews, and group collaboration
Personalization Features	None	User account with basic customization	Advanced personalization, including saved searches, alerts, and recommendations
Accessibility Compliance	Not a focus	Basic compliance with web accessibility standards	Strong compliance with WCAG, accessible to a wide range of disabilities
Support for Emerging Technologies	None	Limited, some web 2.0 features	Integration with IoT, AI for enhanced user services and operations