Solr uses the Lucene Java search library at its core for full-text indexing and search and offers hit highlighting, faceted search, dynamic clustering, database integration, and rich document (e.g., Word, PDF) handling as additional features.

Tutorials

Chapter 4 - Search and Discovery in Islandora

Chapter 9 - Enabling Indexing & Searching with Solr

Customizing GSearch and Solr

Dependencies

Islandora.ca modules:

• Islandora Repository
• Islandora Content Model Forms
• Islandora XML Forms 
• Islandora XML Form API 
• Islandora XML Form Builder 
• Islandora XML Form Elements 
• Islandora XML Schema API
• Objective Forms
• PHP Lib 
• Tabs

Drupal.org modules:

• ImageAPI
• jQuery Update 
• jQuery UI