Conclusions:

•  Can be implemented with a variety of media, e.g., Web, interactive TV, GUI, CD-ROM.

•  Applicable to many domains, e.g., education, business, entertainment.

•  Applicable to various information types, e.g., Web, cooperative workspaces, multi-authored documents.

Further Investigation:

•  Scaling to large numbers of contexts and/or spaces with many nodes.

•  Weighting the links to represent the degree of relevance to different contexts.

•  Alternate ways of providing visual cues of sharing.