document: Processing link structures and linkbases on the web Hyperlinks are an essential feature of the World Wide Web , highly responsible for its success . XLink improves on HTML 's linking capabilities in several ways . In particular , links after XLink can be `` out-of-line '' ( i.e. , not defined at a link source ) and collected in ( possibly several ) linkbases , which considerably ease building complex link structures . Modeling of link structures and processing of linkbases under the Web 's `` open world linking '' are aspects neglected by XLink . Adding a notion of `` interface '' to XLink , as suggested in this work , considerably improves modeling of link structures . When a link structure is traversed , the relevant linkbase ( s ) might become ambiguous . We suggest three linkbase management modes governing the binding of a linkbase to a document to resolve this ambiguity .
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