History
Every recorded change to Hans de Graaff's own record — names, identifiers, affiliations, and conference service alike — newest first, each with who made it, why, and what source backed it.
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Affiliation: Hans de Graaff @ Delft University of Technology 2026-09-20 16:46
Created
by info@sven-mayer.com — Reconciled via the Database Integrity Check page, citing the committee record's own source.
Sourced by https://chi1997.acm.org/committee/index.html
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Affiliation: Hans de Graaff @ KPN Research 2026-09-15 11:53
end_date: 2000-12-31 → 2001-12-31
by info@sven-mayer.com — Created via committee markdown import.
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Service record: Student Posters Chair for Hans de Graaff @ CHI 2001 2026-09-15 11:53
Created
by info@sven-mayer.com — Created via committee markdown import.
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Affiliation: Hans de Graaff @ KPN Research 2026-09-15 11:53
end_date: 1998-12-31 → 2000-12-31
by info@sven-mayer.com — Created via committee markdown import.
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Service record: Demonstrations Chair for Hans de Graaff @ CHI 2000 2026-09-15 11:53
Created
by info@sven-mayer.com — Created via committee markdown import.
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Affiliation: Hans de Graaff @ KPN Research 2026-09-15 11:53
Created
by info@sven-mayer.com — Created via committee markdown import.
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Created
by info@sven-mayer.com — Created via committee markdown import.
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Service record: Computing Support for Hans de Graaff @ CHI 1997 2026-09-13 22:20
Created
by info@sven-mayer.com — Created via committee markdown import.
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Person name: Hans de Graaff 2026-09-13 22:20
Created
by info@sven-mayer.com — Created via committee markdown import.
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Person: Hans de Graaff 2026-09-13 22:20
Created
by info@sven-mayer.com — Created via committee markdown import.