Research graph
References from Indexing aids at corporate websites: the use of robots.txt and META tags. Local targets link to admitted publications; unresolved targets remain external evidence.
Descriptive metadata: Emerging standards
10.1016/s0099-1333(98)90079-9 · 1998 · External reference
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Accessibility of information on the web
10.1038/21987 · 1999 · External reference
Indexing and abstracting on the World Wide Web: An examination of six web databases
1997 · External reference
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Search engine help documentation and resources on the Web
1998 · External reference
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