| 摘要 |
<p>This invention describes a method for implementing a fully dynamic and externalised linking strategy in a Hypermedia Management System (HMS), by using a (predicate, expression) representation for each link specification. This method improves on prior art because the predicate permits the HMS to determine whether a component is a source for a link, doing so in the most economic and efficient manner, avoiding all unnecessary computation and permitting automatic reconciliation of links with the underlying information collection if changes have occurred. In the figure, use of a predicate to represent the source determination process (10) is an essential step of the method of the invention. The next step, the destination determination process (20), is subject to the result of the source determination process, and is also subject to user selection (15). This invention involves the creation of links at the time they are required, as opposed to the usual practice of precomputing links. It also involves the use of link specifications, from which individual links are computed, replacing the need to specify individual links. These link specifications are abstracted out of the HMS application code, permitting them to be modified at any time, and permitting use of these link specifications by other HMSs.</p> |
