Dave Pattern says:
- "For those unfamiliar with Summon or web scale discovery services, many web scale discovery services will show items from the catalogue in the discovery search, but clicking on the result will bring you to the classic catalogue (web opac)." A survey of Library Virtual Shelves - 8 examples
- The Ins and Outs of Evaluating Web-Scale Discovery Services
- Discovering What Works: Librarians Compare Discovery Interface ...
- Articles on Discovery - Unified Resource Discovery Comparison
- Library Discovery Services – A Better Way to Find What You're ...
- The Truth About Federated Searching
- A Universal / Global Search Engine Remains an Elusive Target