Entity Duplicate Analysis Report

Generated: 2025-12-13 17:34:36

Data Quality Issues Summary

Issue Type	Count	Total Occurrences
Language Codes	31	1098
Generic Labels	7	87
Numeric Only	235	366
Single Char	48	476
Type Mismatches	475	2652
Variant Spellings	0	0
TOTAL	796	4679

Language Code Entities (Should Be Filtered)

These are HTML lang attribute values, not real entities:

Entity	Occurrences	Action
`nl-NL`	527	Filter out
`nl`	370	Filter out
`nl_NL`	86	Filter out
`EN`	36	Filter out
`en-GB`	20	Filter out
`en-US`	12	Filter out
`de`	10	Filter out
`en_US`	6	Filter out
`de-de`	4	Filter out
`NH`	4	Filter out
`UB`	2	Filter out
`fy`	2	Filter out
`fy-nl`	1	Filter out
`PI`	1	Filter out
`ym`	1	Filter out
`en_GB`	1	Filter out
`VU`	1	Filter out
`fr-FR`	1	Filter out
`MA`	1	Filter out
`US`	1	Filter out

These are website navigation labels, not heritage entities:

Entity	Occurrences	Action
`Home`	42	Filter out
`collectie`	22	Filter out
`Archief`	8	Filter out
`Contact`	5	Filter out
`Nieuws`	5	Filter out
`AGENDA`	4	Filter out
`collection`	1	Filter out

Numeric-Only Entities (Often Dimensions)

These are often image dimensions or years without context:

Entity	Occurrences	Action
`'2025'`	26	Review context
`'2560'`	10	Review context
`'1200'`	10	Review context
`'1920'`	10	Review context
`'2024'`	8	Review context
`'800'`	6	Review context
`'1280'`	6	Review context
`'670'`	5	Review context
`'700'`	4	Review context
`'2021'`	4	Review context
`'2023'`	4	Review context
`'20'`	3	Review context
`'1080'`	3	Review context
`'10'`	3	Review context
`'150'`	3	Review context
`'1995'`	3	Review context
`'630'`	3	Review context
`'100'`	3	Review context
`'2000'`	3	Review context
`'2048'`	3	Review context

Type Mismatches (Need Resolution)

Same entity classified with different types:

Entity	Types	Occurrences	Action
nl-NL	`THG.LNG, TOP.CTY, TOP.LNG`	527	Resolve type
nl	`THG.LNG, TOP.CTY`	370	Resolve type
Nederland	`THG.LNG, TOP.CTY, TOP.NAT, TOP.REG, TOP.SET`	87	Resolve type
nl_NL	`THG.LNG, TOP.CTY`	86	Resolve type
Home	`APP.EXH, APP.TIT, APP.TTL, DOC.WEB, THG.CON, TOP.SET, WRK.TXT, WRK.WEB`	42	Resolve type
'2025'	`TMP.DAB, TMP.DRL`	26	Resolve type
Netherlands	`TOP.CTY, TOP.REG, TOP.SET`	24	Resolve type
collectie	`APP.COL, APP.EXH, THG.COL, THG.CON, WRK.COL, WRK.SER`	22	Resolve type
Groningen	`TOP.CTY, TOP.REG, TOP.SET`	21	Resolve type
Den Haag	`APP.PNM, TOP.SET`	19	Resolve type
Onder de paramariboom	`APP.TIT, WRK.TTL, WRK.TXT, WRK.VIS, WRK.WRK`	18	Resolve type
bibliotheek	`APP.COL, GRP.EDU, GRP.HER, THG.CON, TOP.BLD, WRK.COL, WRK.WEB`	16	Resolve type
Zwolle	`TOP.ADR, TOP.SET`	16	Resolve type
Beeldbank	`APP.COL, APP.EXH, WRK.COL, WRK.VIS, WRK.WEB`	15	Resolve type
Heel Nederland Leest	`APP.EXH, APP.TTL, GRP.HIS, THG.CON, THG.EVT, WRK.EXH, WRK.SER`	15	Resolve type
Rotterdam	`TOP.CTY, TOP.REG, TOP.SET`	14	Resolve type
Nederlandse	`THG.LNG, TOP.CTY`	12	Resolve type
Utrecht	`TOP.CTY, TOP.REG, TOP.SET`	12	Resolve type
Facebook	`APP.NAM, APP.SOC, GRP.COR, GRP.GOV, THG.CON, WRK.SOC, WRK.WEB`	11	Resolve type
archieven	`APP.COL, THG.CON, WRK.ARC, WRK.COL`	11	Resolve type
Gemeentearchief	`APP.TIT, APP.TTL, GRP.HER, WRK.WEB`	11	Resolve type
Overijssel	`GRP.GOV, TOP.REG`	11	Resolve type
Friesland	`TOP.CTY, TOP.REG`	10	Resolve type
'1200'	`QTY.CNT, QTY.MSR`	10	Resolve type
Twente	`TOP.REG, TOP.SET`	10	Resolve type
Leiden	`TOP.REG, TOP.SET`	10	Resolve type
'1920'	`QTY.MSR, TMP.CEN, TMP.DAB`	10	Resolve type
de	`THG.LNG, TOP.CTY`	10	Resolve type
Noord-Holland	`TOP.CTY, TOP.REG`	9	Resolve type
Tweede Wereldoorlog	`THG.CON, THG.EVT, TMP.ERA`	9	Resolve type
Limburg	`TOP.CTY, TOP.REG, TOP.SET`	8	Resolve type
Zuid-Holland	`GRP.GOV, TOP.REG`	8	Resolve type
Brabant	`TOP.CTY, TOP.REG`	8	Resolve type
Archief	`APP.COL, APP.TIT, GRP.UNT, THG.CON, WRK.ARC, WRK.COL, WRK.WEB`	8	Resolve type
Google	`GRP.COR, GRP.GOV`	7	Resolve type
Ministerie van Algemene Zaken	`GRP.GOV, GRP.PAR`	7	Resolve type
foto's	`THG.CON, THG.DOC, THG.PHO`	7	Resolve type
Kasteel Doorwerth	`APP.TTL, GRP.HER, THG.AFT, TOP.BLD`	7	Resolve type
Boeken	`THG.CON, THG.DOC, WRK.COL, WRK.PUB, WRK.TXT`	7	Resolve type
Delft	`TOP.REG, TOP.SET`	7	Resolve type
Gelderland	`GRP.GOV, TOP.REG, TOP.SET`	7	Resolve type
Instagram	`APP.NAM, APP.SOC, THG.CON, WRK.SOC, WRK.WEB`	6	Resolve type
'800'	`QTY.CNT, QTY.MSR`	6	Resolve type
Haarlem	`TOP.REG, TOP.SET`	6	Resolve type
museum	`GRP.HER, ROL.OCC, THG.CON, THG.EVT`	6	Resolve type
Tijdschriften	`APP.TTL, THG.CON, THG.DOC, WRK.PUB, WRK.SER`	6	Resolve type
Archeologie	`GRP.HER, GRP.UNT, THG.CON`	6	Resolve type
Provincie Overijssel	`APP.TIT, GRP.GOV, TOP.REG`	6	Resolve type
'1280'	`QTY.CNT, QTY.MSR`	6	Resolve type
november 2025	`TMP.DAB, TMP.DRL, TMP.DUR, TMP.EXP, TMP.RNG`	6	Resolve type

Cleanup Impact Analysis

Metric	Value
Total entity occurrences	13,268
Candidate cleanup occurrences	1,551
Cleanup percentage	11.7%
Remaining after cleanup	11,717

High-Value Entities for Linking

Entities that appear frequently and are good candidates for Wikidata/VIAF linking:

Entity	Type	Occurrences	Wikidata?
Nederland	`TOP.CTY`	87	🔍 Search
Amsterdam	`TOP.SET`	42	🔍 Search
Netherlands	`TOP.CTY`	24	🔍 Search
Groningen	`TOP.SET`	21	🔍 Search
Den Haag	`TOP.SET`	19	🔍 Search
bibliotheek	`GRP.HER`	16	🔍 Search
Zwolle	`TOP.SET`	16	🔍 Search
Rotterdam	`TOP.SET`	14	🔍 Search
Johan Fretz	`AGT.PER`	13	🔍 Search
Nederlandse	`TOP.CTY`	12	🔍 Search
Utrecht	`TOP.SET`	12	🔍 Search
Facebook	`WRK.SOC`	11	🔍 Search
Roermond	`TOP.SET`	11	🔍 Search
Gemeentearchief	`GRP.HER`	11	🔍 Search
Overijssel	`TOP.REG`	11	🔍 Search
Deventer	`TOP.SET`	11	🔍 Search
Friesland	`TOP.REG`	10	🔍 Search
Twente	`TOP.REG`	10	🔍 Search
Leiden	`TOP.SET`	10	🔍 Search
Noord-Holland	`TOP.REG`	9	🔍 Search
Geldersch Landschap en Kasteelen	`GRP.HER`	9	🔍 Search
Nijmegen	`TOP.SET`	8	🔍 Search
Limburg	`TOP.REG`	8	🔍 Search
Enschede	`TOP.SET`	8	🔍 Search
Zuid-Holland	`TOP.REG`	8	🔍 Search
Brabant	`TOP.REG`	8	🔍 Search
Google	`GRP.COR`	7	🔍 Search
Heerlen	`TOP.SET`	7	🔍 Search
Maastricht	`TOP.SET`	7	🔍 Search
Ministerie van Algemene Zaken	`GRP.GOV`	7	🔍 Search
Kasteel Doorwerth	`GRP.HER`	7	🔍 Search
Delft	`TOP.SET`	7	🔍 Search
Gelderland	`TOP.REG`	7	🔍 Search
Schiedam	`TOP.SET`	6	🔍 Search
Tilburg	`TOP.SET`	6	🔍 Search
Amelander Musea	`GRP.HER`	6	🔍 Search
Alkmaar	`TOP.SET`	6	🔍 Search
Franeker	`TOP.SET`	6	🔍 Search
Ommen	`TOP.SET`	6	🔍 Search
Zutphen	`TOP.SET`	6	🔍 Search
Haarlem	`TOP.SET`	6	🔍 Search
museum	`GRP.HER`	6	🔍 Search
Maassluis	`TOP.SET`	6	🔍 Search
Dordrecht	`TOP.SET`	6	🔍 Search
Arnhem	`TOP.SET`	6	🔍 Search
Government of the Netherlands	`GRP.GOV`	6	🔍 Search
Leeuwarden	`TOP.SET`	6	🔍 Search
Apeldoorn	`TOP.SET`	6	🔍 Search
Archeologie	`THG.CON`	6	🔍 Search
Provincie Overijssel	`GRP.GOV`	6	🔍 Search
Rijksmuseum	`GRP.HER`	6	🔍 Search
Zeeland	`TOP.SET`	6	🔍 Search
Kampen	`TOP.SET`	5	🔍 Search
Breda	`TOP.SET`	5	🔍 Search
Hengelo	`TOP.SET`	5	🔍 Search
Midden-Groningen	`TOP.REG`	5	🔍 Search
The Netherlands	`TOP.CTY`	5	🔍 Search
Erfgoed 's-Hertogenbosch	`GRP.HER`	5	🔍 Search
Amersfoort	`TOP.SET`	5	🔍 Search
Eindhoven	`TOP.SET`	5	🔍 Search
Hoorn	`TOP.SET`	5	🔍 Search
Dalfsen	`TOP.SET`	5	🔍 Search
Drenthe	`TOP.REG`	5	🔍 Search
Oirschot	`TOP.SET`	5	🔍 Search
Bollenstreek	`TOP.REG`	5	🔍 Search
Medemblik	`TOP.SET`	5	🔍 Search
Wageningen	`TOP.SET`	5	🔍 Search
Rijksuniversiteit Groningen	`GRP.EDU`	5	🔍 Search
Texel	`TOP.SET`	5	🔍 Search
Collectie Overijssel	`GRP.HER`	5	🔍 Search
Flevoland	`TOP.REG`	5	🔍 Search
Venlo	`TOP.SET`	5	🔍 Search
Twitter	`APP.SOC`	4	🔍 Search
Gemeente Waadhoeke	`GRP.GOV`	4	🔍 Search
St.-Annaparochie	`TOP.SET`	4	🔍 Search

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