Collector functionalities

• Allows the author to structure the hypermedia by creating collections
• Expansions of application areas such as distributed computing and large-scale models
• Allows the user to retrieve a collection of HypActors, HypLinks and/or other Collectors, by search or by query;this collection represents a direct reference to the existing hypermedia portion. (Computed Composite)
• Supports the user during browsing strategies. When the user browsers, a collection is built on demand at run-time and provided to the user by activating an appropriate versioning in order to avoid unnecessary copies in the database. (Virtual Composite)