1. A computer system for creating a hyperlink together with an associated semantic link between selected text in a first, source document and related text in a second, target document, said source document including descriptive text, the computer system comprising: a computer processor; and a memory coupled to the computer processor having instructions stored therein which, when executed by the computer processor, causes the computer processor to perform the operations comprising: selecting text within the source document; selecting said target document; creating a hyperlink to navigate over the Internet from said selected text in the source document to said target document, wherein said hyperlink includes a URI identifying the target document; selecting a type of semantic link; and creating a semantic link of said type between said selected text in the source document and said target document to identify a specified semantic relationship between said selected text and said target-document, and including in said hyperlink a reference, different from said URI, for identifying said semantic relationship to facilitate using the hyperlink to identify and navigate to documents semantically related to said selected text; and wherein: the selecting said target document includes refining the selected text from the source document to form refined selected text, and putting the refined selected text into the target document; the hyperlink points from the selected text in the source document to the refined selected text in the target document; the source document has a source type and the target document has a target type; and the selecting the type of semantic link includes analyzing said source type and said target type, determining a plurality of candidate types of semantic links based on said analyzing said source type and said target type, and prompting a user to select from among the plurality of candidate types of semantic links, including selecting a word from the selected text, identifying a category for the word, consulting a metamodel to determine a type of relationship between the identified category and the selected text, and using the type of relationship determined from consulting the metamodel as the type of the semantic link between the selected text in the source document and the target document.