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3.4 Identify all modifiers that select subsets of objects

The framework identifies all nodes and links by their semantic types. This type information can become a modifier or qualifier to the specific object. For example, a search can be performed on all nodes of type “detail”. Similarly, we can also request for all links of type “specification”. Type information and keyword information can be combined to narrow down the search criteria. For example, there can be a query to retrieve all nodes of type “detail” containing the keyword “hypertext”. Modifiers for templates can include the type of a template, the author’s name, creation date etc.