digraph g {
"context" -> "www proposal"
"document: www proposal" -> "\"Hypertext\"" [label="describes",arrowhead=normal]
"document: www proposal" -> "A Proposal \"Mesh\"" [label="describes",arrowhead=normal]
"document: www proposal" -> "Comms ACM" [label="refers-to",arrowhead=normal]
"Comms ACM" -> "\"Hypertext\"" [label="describes",arrowhead=normal]
"\"Hypertext\"" -> "Linked information" [label="includes",arrowhead=normal]
"\"Hypertext\"" -> "Hypermedia" [label="includes",arrowhead=normal]
"Linked information" -> "Hyper Card" [label="for-example",arrowhead=normal]
"Linked information" -> "ENQUIRE" [label="for-example",arrowhead=normal]
"Linked information" -> "A Proposal \"Mesh\"" [label="for-example",arrowhead=normal]
"a proposal \"mesh\"" -> "CERN" [label="describes",arrowhead=normal]
"a proposal \"mesh\"" -> "ENQUIRE" [label="unifies",arrowhead=normal]
"a proposal \"mesh\"" -> "VAX/NOTES" [label="unifies",arrowhead=normal]
"a proposal \"mesh\"" -> "uucp News" [label="unifies",arrowhead=normal]
"a proposal \"mesh\"" -> "CERNDOC" [label="unifies",arrowhead=normal]
"Computer conferencing" -> "IBM GroupTalk" [label="examples",arrowhead=normal]
"Computer conferencing" -> "uucp News" [label="examples",arrowhead=normal]
"Computer conferencing" -> "VAX/NOTES" [label="examples",arrowhead=normal]
"Computer conferencing" -> "A Proposal \"Mesh\"" [label="examples",arrowhead=normal]
"Hierarchical systems" -> "CERN" [label="for-example",arrowhead=normal]
"Hierarchical systems" -> "CERNDOC" [label="for-example",arrowhead=normal]
"Hierarchical systems" -> "Vax/Notes" [label="for-example",arrowhead=normal]
"Hierarchical systems" -> "uucp News" [label="for-example",arrowhead=normal]
"Hierarchical systems" -> "IBM GroupTalk" [label="for-example",arrowhead=normal]
"CERNDOC" -> "document: www proposal" [label="includes",arrowhead=normal]
"person: Tim Berners-Lee" -> "document: www proposal" [label="wrote",arrowhead=normal]
}