Annotations are relative

Most systems that have been developed for annotation of data assume a two-level structure in which annotation is superimposed on, and separate from, the data. However there are many cases in which an annotation may itself be annotated. For example threads in e-mail and newsgroups allow the impositio...

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Bibliographic Details
Main Authors: Buneman, P, Kostylev, E, Vansummeren, S
Format: Conference item
Published: Association for Computing Machinery 2013