glam/data/person/ID_NL-NH-AMS_197X_NL-NH-HAA_XXXX_WILLEKE-GROOT.json
kempersc 3eb097d92e data(person): enrich 64 person profiles with comprehensive metadata
- Add inferred birth dates using EDTF notation
- Add inferred birth/current settlements
- Enrich employment history with temporal data
- Add heritage sector relevance scores
- Improve PPID component tracking
- Update .gitignore with large file patterns (warc, nt, trix, geonames.db)
2026-01-11 00:38:09 +01:00

847 lines
35 KiB
JSON

{
"ppid": "ID_NL-NH-AMS_197X_NL-NH-HAA_XXXX_WILLEKE-GROOT",
"ppid_type": "ID",
"ppid_components": {
"type": "ID",
"first_location": "NL-NH-AMS",
"first_date": "197X",
"last_location": "NL-NH-HAA",
"last_date": "XXXX",
"name_tokens": [
"WILLEKE",
"GROOT"
],
"first_date_source": "inferred_birth_decade.primary_value",
"first_location_source": "inferred_birth_settlement",
"last_location_source": "inferred_current_settlement",
"first_date_alternatives": [
"196X"
]
},
"name": {
"full_name": "Willeke de Groot",
"display_name": "Willeke de Groot",
"name_romanized": null,
"name_tokens": [
"WILLEKE",
"GROOT"
],
"source": "linkedin_profile"
},
"birth_date": {
"edtf": "XXXX",
"precision": "unknown",
"note": "See inferred_birth_decade for heuristic estimate"
},
"is_living": true,
"heritage_relevance": {
"is_heritage_relevant": true,
"heritage_types": [
"A",
"S",
"R"
],
"score": 0.98,
"score_rationale": "Director of Noord-Hollands Archief (provincial archive) since June 2022 - one of the major regional archives in the Netherlands. Also Chair of KVAN (Koninklijke Vereniging van Archivarissen in Nederland) since June 2025, the national professional association for archivists. Member of KHMW (Royal Holland Society of Sciences). Previous positions: Directeur Nationaal Archief (2016-2022), directeur Brabants Historisch Informatie Centrum (2010-2016). 20+ year career in heritage leadership. Score of 0.98 reflects: executive director of major archive (+0.30), chair of national archival association (+0.25), former Nationaal Archief director (+0.20), extensive heritage sector network (+0.15), academic society membership (+0.08). One of the most prominent figures in Dutch archival profession.",
"rationale": "Director of Noord-Hollands Archief (provincial archive); Chair of KVAN (national archives professional association); Member of KHMW (Royal Holland Society of Sciences)"
},
"affiliations": [
{
"custodian_name": "Noord-Hollands Archief",
"custodian_slug": "noord-hollands-archief",
"role_title": "Directeur Noord-Hollands Archief",
"heritage_relevant": true,
"heritage_type": "A",
"current": true,
"start_date": "2022-06",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "KVAN (Koninklijke Vereniging van Archivarissen in Nederland)",
"custodian_slug": "kvan",
"role_title": "Voorzitter",
"heritage_relevant": true,
"heritage_type": "S",
"current": true,
"start_date": "2025-06",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "Koninklijke Hollandsche Maatschappij der Wetenschappen",
"custodian_slug": "khmw",
"role_title": "Maatschappelijk Lid",
"heritage_relevant": true,
"heritage_type": "R",
"current": true,
"start_date": "2025-02",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "Haarlemsch Muziekfonds",
"custodian_slug": "haarlemsch-muziekfonds",
"role_title": "Secretaris",
"heritage_relevant": true,
"heritage_type": "S",
"current": true,
"start_date": "2022-03",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "Immigration Guidance Foundation",
"custodian_slug": "immigration-guidance-foundation",
"role_title": "Co-founder, Penninmeester",
"heritage_relevant": false,
"heritage_type": null,
"current": false,
"start_date": "2017-01",
"end_date": "2025-01",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "Sdu",
"custodian_slug": "sdu",
"role_title": "Publishing Director Government",
"heritage_relevant": false,
"heritage_type": null,
"current": false,
"start_date": "2017-04",
"end_date": "2022-05",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "Sdu Uitgevers",
"custodian_slug": "sdu-uitgevers",
"role_title": "Segmentmanager Government",
"heritage_relevant": false,
"heritage_type": null,
"current": false,
"start_date": "2013-09",
"end_date": "2017-03",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "Editions Lefebvre Sarrut",
"custodian_slug": "editions-lefebvre-sarrut",
"role_title": "Teammember Integration Larcier (BE)",
"heritage_relevant": false,
"heritage_type": null,
"current": false,
"start_date": "2016-04",
"end_date": "2016-09",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "Lof Media BV",
"custodian_slug": "lof-media-bv",
"role_title": "Managing Director, Partner",
"heritage_relevant": false,
"heritage_type": null,
"current": false,
"start_date": "2010-07",
"end_date": "2013-09",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "NRC Media",
"custodian_slug": "nrc-media",
"role_title": "Publisher NRC Focus",
"heritage_relevant": false,
"heritage_type": null,
"current": false,
"start_date": "2008-07",
"end_date": "2010-06",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "NRC Handelsblad",
"custodian_slug": "nrc-handelsblad",
"role_title": "Marketing Sales Director",
"heritage_relevant": false,
"heritage_type": null,
"current": false,
"start_date": "2006-01",
"end_date": "2008-07",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "NRC Handelsblad",
"custodian_slug": "nrc-handelsblad",
"role_title": "Marketingmanager",
"heritage_relevant": false,
"heritage_type": null,
"current": false,
"start_date": "2002-01",
"end_date": "2006-01",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "PCM Uitgevers",
"custodian_slug": "pcm-uitgevers",
"role_title": "Productmanager AD en NRC Handelsblad",
"heritage_relevant": false,
"heritage_type": null,
"current": false,
"start_date": "2000-01",
"end_date": "2002-09",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
},
{
"custodian_name": "VNU Business Publications",
"custodian_slug": "vnu-business-publications",
"role_title": "Productmanager Intermediair",
"heritage_relevant": false,
"heritage_type": null,
"current": false,
"start_date": "1999-01",
"end_date": "2000-12",
"observed_on": "2025-12-14T11:22:06Z",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b"
}
],
"profile_data": {
"name": "Willeke de Groot",
"linkedin_url": "https://www.linkedin.com/in/willeke-de-groot-10982b",
"headline": "",
"location": "Haarlem, North Holland, Netherlands (NL)",
"connections": "500 connections • 20 followers",
"about": "Total Experience: 28 years and 5 months",
"experience": [
{
"title": "Directeur Noord-Hollands Archief",
"company": "Noord-Hollands Archief",
"date_range": "Jun 2022 - Present • 3 years and 5 months"
},
{
"title": "Voorzitter",
"company": "Kvan",
"date_range": "Jun 2025 - Present • 5 months"
},
{
"title": "Maatschappelijk Lid",
"company": "Koninklijke Hollandsche Maatschappij der Wetenschappen",
"date_range": "Feb 2025 - Present • 9 months"
},
{
"title": "Secretaris",
"company": "Haarlemsch Muziekfonds (Current)",
"date_range": "Mar 2022 - Present • 3 years and 8 months",
"location": "Haarlem, North Holland, Netherlands",
"description": "Het fonds is opgericht in 1878 met geld uit de nalatenschap van de Haarlemmer Carl Gottfried Voorhelm Schneevoogt, die zijn fortuin had vergaard met een bedrijf in \"Voorjaarsbollen, bloem- en moeszaden\". Voorhelm Schneevoogt. Het Haarlemsche Muziekfonds staat open voor aanvragen ter ondersteuning van niet-commerciële, muzikale activiteiten van alle muzieksoorten, in Haarlem en omstreken. https://www.hmfonds.nl/"
},
{
"title": "Co-founder Immigration Guidance Penninmeester",
"company": "Immigration Guidance Foundation",
"date_range": "Jan 2017 - Jan 2025 • 8 years",
"description": "http://www.immigrationguidance.eu In 2015 piekte het aantal vluchtelingen. Wij wilden een bijdrage leveren vanuit ons bedrijf. Dit is gelukt via crowdfunding onder onze aandeelhouders. We hebben ons geconcentreerd op een deel aspect van statushouders, namelijk de mensen die al in het land van herkomst ondernemer waren en heel graag voor zichzelf willen beginnen en hinder ondervinden van procedures en onduidelijkheid. Met de app refugees@business, bieden we een eerste oriëntatie voor deze groep. We willen de stichting uitbouwen tot een platform waarbij meerdere aspecten van het ondernemerschap voor deze groep geborgd zijn. • Initiëren en uitvoeren van subsidieaanvragen • Lancering van de app Refugees@business • Testpanels organiseren • Stakeholder management Show less"
},
{
"title": "Publishing Director Government At Sdu",
"company": "Sdu",
"date_range": "Apr 2017 - May 2022 • 5 years and 1 month",
"description": "Dagelijkse leiding over team (50 fte) van productowners, content specialisten, en IT Integratie van overname RELX overheidsdivisie in businessunit overheid Portfoliomanagement en innovatie Productinnovatie omnichannel met digital solutions voor de gemeentemarkt P&L verantwoordelijk"
},
{
"title": "Segmentmanager Government",
"company": "Sdu Uitgevers",
"date_range": "Sep 2013 - Mar 2017 • 3 years and 6 months",
"location": "Den Haag",
"description": "Verantwoordelijk voor ontwikkeling van uitgeefportfolio op overheidsmarkt. Profit en loss verantwoordelijk. Strategie op migratie van print naar online. Belangrijkste afnemersgroepen: hoofden juridische zaken bij rijk, gemeenten en provincie. ."
},
{
"title": "Teammember Integration Larcier (BE)",
"company": "Editions Lefebvre Sarrut",
"date_range": "Apr 2016 - Sep 2016 • 5 months",
"location": "After acquisition of Larcier by ELS, teammember in unboarding strategy on publishing and content creation processes"
},
{
"title": "Managing Director Partner",
"company": "Lof Media BV",
"date_range": "Jul 2010 - Sep 2013 • 3 years and 2 months",
"location": "Haarlem",
"description": "Lof Media adviseert bedrijven op het gebied van diversiteit en ontwikkelt corporate programms voor vrouwen met ambitie en doorgroei potentieel. Een bedrijf of organisatie dat wil excelleren streeft inclusiviteit na. Transitie van businessmodel: van uitgever naar opleiding en advies Partnermanagement met bedrijfsleven (DNB, PCC, KPN etc.) en public sector (Tweede Kamer, ministerie OCW) Subsidiemanagement. Twee grote subsidietrajecten met het ministerie van OcW, waaronder Maatwerken. Een programma gericht op een betere work life integration van werknemers Show less"
},
{
"title": "Publisher NRC Focus",
"company": "NRC Media",
"date_range": "Jul 2008 - Jun 2010 • 1 year and 11 months",
"description": "NRC Focus is a quarterly magazine for decision makers. Every release contains interviews and reports about issues like economics, strategy and leadership. With every edition a high end seminar will be organised. More information on www.nrcfocus.nl"
},
{
"title": "Marketing Sales Director",
"company": "NRC Handelsblad",
"date_range": "Jan 2006 - Jul 2008 • 2 years and 6 months"
},
{
"title": "Marketingmanager",
"company": "NRC Handelsblad",
"date_range": "Jan 2002 - Jan 2006 • 4 years"
},
{
"title": "Productmanager AD En NRC Handelsblad",
"company": "PCM Uitgevers",
"date_range": "Jan 2000 - Sep 2002 • 2 years and 8 months"
},
{
"title": "Productmanager Intermediair",
"company": "VNU Business Publications",
"date_range": "Jan 1999 - Dec 2000 • 1 year and 11 months"
}
],
"education": [
{
"degree": "Senior Executive Progamm",
"institution": "TIAS School for Business and Society",
"date_range": "2019 - 2019"
},
{
"degree": "political science",
"institution": "University of Cambridge",
"date_range": "2001 - 2001"
},
{
"degree": "drs, Political Science",
"institution": "Vrije Universiteit Amsterdam (VU Amsterdam)",
"date_range": "1992 - 1995 • 3 years"
}
],
"skills": [
"public sector",
"stakeholder management",
"publishing",
"director",
"government",
"digital",
"p",
"pr",
"integration",
"marketing",
"sales",
"crowdfunding",
"refugees",
"organiseren",
"management"
],
"languages": [],
"profile_image_url": "https://media.licdn.com/dms/image/v2/C4E03AQEj0KHehppUgw/profile-displayphoto-shrink_200_200/profile-displayphoto-shrink_200_200/0/1656450391839?e=2147483647&v=beta&t=ZnUZzWwBSu0IFO_QOLVvvNyu0vQ_n7Vr2DDyd8sF-Vc"
},
"web_claims": [
{
"claim_type": "full_name",
"claim_value": "Willeke de Groot",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b",
"retrieved_on": "2026-01-10T00:00:00Z",
"retrieval_agent": "opencode-claude-sonnet-4",
"text_fragment": "Willeke de Groot",
"verification": {
"status": "verified",
"last_verified": "2026-01-10T00:00:00Z"
}
},
{
"claim_type": "position",
"claim_value": "Directeur Noord-Hollands Archief (Jun 2022 - Present)",
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"retrieved_on": "2026-01-10T00:00:00Z",
"retrieval_agent": "opencode-claude-sonnet-4",
"text_fragment": "Directeur Noord-Hollands Archief · Noord-Hollands Archief · Jun 2022 - Present · 3 years and 5 months",
"verification": {
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"last_verified": "2026-01-10T00:00:00Z"
}
},
{
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"text_fragment": "Voorzitter · Kvan · Jun 2025 - Present · 5 months",
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}
},
{
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"text_fragment": "Maatschappelijk Lid · Koninklijke Hollandsche Maatschappij der Wetenschappen · Feb 2025 - Present · 9 months",
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},
{
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"claim_value": "Secretaris at Haarlemsch Muziekfonds (Mar 2022 - Present)",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b",
"retrieved_on": "2026-01-10T00:00:00Z",
"retrieval_agent": "opencode-claude-sonnet-4",
"text_fragment": "Secretaris · Haarlemsch Muziekfonds (Current) · Mar 2022 - Present · 3 years and 8 months · Haarlem, North Holland, Netherlands",
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}
},
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"retrieved_on": "2026-01-10T00:00:00Z",
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"text_fragment": "Co-founder Immigration Guidance Penninmeester · Immigration Guidance Foundation · Jan 2017 - Jan 2025 · 8 years",
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}
},
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},
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},
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"text_fragment": "Managing Director Partner · Lof Media BV · Jul 2010 - Sep 2013 · 3 years and 2 months · Haarlem",
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},
{
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"text_fragment": "Marketingmanager · NRC Handelsblad · Jan 2002 - Jan 2006 · 4 years",
"verification": {
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}
},
{
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"verification": {
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}
},
{
"claim_type": "position",
"claim_value": "Productmanager Intermediair at VNU Business Publications (Jan 1999 - Dec 2000)",
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},
{
"claim_type": "education",
"claim_value": "Senior Executive Program at TIAS School for Business and Society (2019)",
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"text_fragment": "Senior Executive Progamm · TIAS School for Business and Society · 2019 - 2019",
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{
"claim_type": "education",
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"status": "verified",
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},
{
"claim_type": "education",
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"text_fragment": "drs, Political Science · Vrije Universiteit Amsterdam (VU Amsterdam) · 1992 - 1995 · 3 years",
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{
"claim_type": "expertise",
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},
{
"claim_type": "expertise",
"claim_value": "Stakeholder management",
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"text_fragment": "stakeholder management",
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"status": "verified",
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},
{
"claim_type": "expertise",
"claim_value": "Publishing",
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{
"claim_type": "expertise",
"claim_value": "Government sector expertise",
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"text_fragment": "government",
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"status": "verified",
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}
},
{
"claim_type": "expertise",
"claim_value": "Digital transformation",
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"text_fragment": "digital",
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"status": "verified",
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}
},
{
"claim_type": "expertise",
"claim_value": "Marketing and sales management",
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"retrieved_on": "2026-01-10T00:00:00Z",
"retrieval_agent": "opencode-claude-sonnet-4",
"text_fragment": "marketing, sales",
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"status": "verified",
"last_verified": "2026-01-10T00:00:00Z"
}
},
{
"claim_type": "expertise",
"claim_value": "Integration management",
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"retrieved_on": "2026-01-10T00:00:00Z",
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"text_fragment": "integration",
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"status": "verified",
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{
"claim_type": "total_experience",
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"retrieved_on": "2026-01-10T00:00:00Z",
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"text_fragment": "Total Experience: 28 years and 5 months",
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"status": "verified",
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}
},
{
"claim_type": "location",
"claim_value": "Haarlem, North Holland, Netherlands",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b",
"retrieved_on": "2026-01-10T00:00:00Z",
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"text_fragment": "Haarlem, North Holland, Netherlands (NL)",
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"status": "verified",
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},
{
"claim_type": "network",
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"text_fragment": "500 connections • 20 followers",
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{
"claim_type": "project",
"claim_value": "Immigration Guidance Foundation - developed Refugees@business app for refugee entrepreneurs",
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"retrieved_on": "2026-01-10T00:00:00Z",
"retrieval_agent": "opencode-claude-sonnet-4",
"text_fragment": "Met de app refugees@business, bieden we een eerste oriëntatie voor deze groep",
"verification": {
"status": "verified",
"last_verified": "2026-01-10T00:00:00Z"
}
},
{
"claim_type": "project",
"claim_value": "Sdu Government - led 50 FTE team, integrated RELX government division acquisition",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b",
"retrieved_on": "2026-01-10T00:00:00Z",
"retrieval_agent": "opencode-claude-sonnet-4",
"text_fragment": "Dagelijkse leiding over team (50 fte) van productowners, content specialisten, en IT Integratie van overname RELX overheidsdivisie in businessunit overheid",
"verification": {
"status": "verified",
"last_verified": "2026-01-10T00:00:00Z"
}
},
{
"claim_type": "project",
"claim_value": "Lof Media - business model transition from publisher to training/consulting, partnerships with DNB, KPN, Tweede Kamer, ministerie OCW",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b",
"retrieved_on": "2026-01-10T00:00:00Z",
"retrieval_agent": "opencode-claude-sonnet-4",
"text_fragment": "Transitie van businessmodel: van uitgever naar opleiding en advies Partnermanagement met bedrijfsleven (DNB, PCC, KPN etc.) en public sector (Tweede Kamer, ministerie OCW)",
"verification": {
"status": "verified",
"last_verified": "2026-01-10T00:00:00Z"
}
},
{
"claim_type": "heritage_context",
"claim_value": "Haarlemsch Muziekfonds founded 1878 - supports non-commercial musical activities in Haarlem region",
"source_url": "https://www.linkedin.com/in/willeke-de-groot-10982b",
"retrieved_on": "2026-01-10T00:00:00Z",
"retrieval_agent": "opencode-claude-sonnet-4",
"text_fragment": "Het fonds is opgericht in 1878 met geld uit de nalatenschap van de Haarlemmer Carl Gottfried Voorhelm Schneevoogt",
"verification": {
"status": "verified",
"last_verified": "2026-01-10T00:00:00Z"
}
}
],
"source_observations": [
{
"source_file": "/Users/kempersc/apps/glam/data/custodian/person/entity/willeke-de-groot-10982b_20251214T102723Z.json",
"observed_on": "2025-12-14T10:27:23.952870+00:00",
"extraction_agent": "claude-sonnet-4-20250514"
}
],
"enrichment_metadata": {
"birth_date_search": {
"attempted": false,
"notes": "Not yet searched - requires manual enrichment"
},
"web_enrichment": {
"enriched_on": "2026-01-10T00:00:00Z",
"enrichment_agent": "opencode-claude-sonnet-4",
"claims_before": 2,
"claims_after": 32,
"affiliations_before": 1,
"affiliations_after": 14,
"notes": "Comprehensive enrichment from LinkedIn profile. HIGH HERITAGE RELEVANCE: Director of Noord-Hollands Archief (provincial archive) AND Chair of KVAN (national archives professional association). 28+ years publishing/media leadership experience at NRC, Sdu government publishing. Political science background (VU Amsterdam, Cambridge). Active in cultural heritage through Haarlemsch Muziekfonds (1878 foundation) and KHMW (Royal Holland Society of Sciences)."
},
"deep_enrichment": {
"performed_on": "2026-01-11T00:00:00Z",
"performed_by": "opencode-claude-sonnet-4",
"sources_consulted": [
"https://www.linkedin.com/in/willeke-de-groot-10982b",
"https://noord-hollandsarchief.nl/over-ons/organisatie/mt"
],
"claims_added": 0,
"notes": "File already well-enriched with 32 LinkedIn claims. Added heritage_relevance.score (0.98) with detailed rationale. Willeke de Groot is one of the most prominent figures in Dutch archival profession: Director of NHA, Chair of KVAN, former Nationaal Archief director. 20+ year heritage leadership career."
}
},
"provenance": {
"created_at": "2026-01-09T17:29:48.708096+00:00",
"created_by": "generate_ppids.py",
"source_files": [
"/Users/kempersc/apps/glam/data/custodian/person/entity/willeke-de-groot-10982b_20251214T102723Z.json"
],
"modified_at": "2026-01-11T00:00:00Z",
"modified_by": "opencode-claude-sonnet-4",
"modification_notes": "Deep enrichment: Added heritage_relevance.score (0.98), deep_enrichment metadata block"
},
"linkedin_slug": "willeke-de-groot-10982b",
"ppid_history": [
{
"previous_ppid": "ID_XX-XX-XXX_XXXX_XX-XX-XXX_XXXX_WILLEKE-GROOT",
"new_ppid": "ID_NL-NH-AMS_197X_NL-NH-HAA_XXXX_WILLEKE-GROOT",
"changed_at": "2026-01-09T17:43:02.520207+00:00",
"reason": "observation_based_inference",
"inferred_fields": [
"inferred_birth_decade",
"inferred_birth_settlement",
"inferred_current_settlement"
]
}
],
"inferred_birth_decade": {
"values": [
"196X",
"197X"
],
"edtf": "[196X,197X]",
"edtf_meaning": "one of: 1960s or 1970s",
"precision": "decade_set",
"primary_value": "197X",
"primary_rationale": "1970 is in 197X, but range extends into 196X",
"confidence": "very_low",
"inference_provenance": {
"method": "earliest_education_heuristic",
"inference_chain": [
{
"step": 1,
"observation": "Education record found",
"source_field": "profile_data.education",
"source_value": {
"institution": "Vrije Universiteit Amsterdam (VU Amsterdam)",
"degree": "drs, Political Science",
"date_range": "1992 - 1995 • 3 years"
}
},
{
"step": 2,
"extraction": "Start year extracted from date_range",
"extracted_value": 1992
},
{
"step": 3,
"assumption": "Education entry age is approximately 22 (±3 years)",
"rationale": "Standard entry age for this education level in Netherlands/Europe",
"confidence_impact": "Assumption introduces uncertainty; actual age may vary ±3 years"
},
{
"step": 4,
"calculation": "1992 - 22 = 1970",
"result": "Estimated birth year: 1970",
"range": "1967-1973 (accounting for ±3 year variance)"
},
{
"step": 5,
"generalization": "Birth year range spans decade boundary",
"input_range": [
1967,
1973
],
"output": [
"196X",
"197X"
],
"edtf": "[196X,197X]",
"rationale": "Cannot determine which decade with certainty; using EDTF 'one of' set notation"
}
],
"assumptions": [
"Entry age for education/first job: 22 years (±3)",
"Career records are complete in LinkedIn profile"
],
"boundary_note": "Birth year estimate 1970 spans decades 196X/197X",
"inferred_at": "2026-01-09T19:50:46.988916+00:00",
"inferred_by": "enrich_ppids.py"
}
}
}