Triple

T118686
Position Surface form Disambiguated ID Type / Status
Subject Rhine–Meuse–Scheldt delta E2396 entity
Predicate hasFloodProtectionStructure P4361 FINISHED
Object Grevelingendam
Grevelingendam is a major dam in the southwestern Netherlands that forms part of the Delta Works, protecting the Rhine–Meuse–Scheldt delta from flooding while separating the Grevelingenmeer from the North Sea.
E20274 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Grevelingendam | Statement: [Rhine–Meuse–Scheldt delta, hasFloodProtectionStructure, Grevelingendam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Grevelingendam
Context triple: [Rhine–Meuse–Scheldt delta, hasFloodProtectionStructure, Grevelingendam]
  • A. Brouwersdam
    Brouwersdam is a major Dutch dam and causeway in the Rhine–Meuse–Scheldt delta, built as part of the Delta Works to protect the Netherlands from North Sea flooding while supporting road traffic and water management.
  • B. Haringvlietdam
    Haringvlietdam is a major Dutch storm surge barrier and dam complex that regulates water flow and protects the southwestern Netherlands from flooding as part of the Delta Works.
  • C. Haarlemmermeer
    Haarlemmermeer is a municipality in the province of North Holland in the Netherlands, best known for encompassing Amsterdam Airport Schiphol.
  • D. Nieuwe Waterweg
    Nieuwe Waterweg is a major artificial ship canal in the Netherlands that provides a direct deep-water connection between the North Sea and the port of Rotterdam.
  • E. Grevelingen
    Grevelingen is a large saltwater lake and former estuary in the southwestern Netherlands, known for its nature reserves, water sports, and role in the Delta Works coastal defense system.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Grevelingendam
Triple: [Rhine–Meuse–Scheldt delta, hasFloodProtectionStructure, Grevelingendam]
Generated description
Grevelingendam is a major dam in the southwestern Netherlands that forms part of the Delta Works, protecting the Rhine–Meuse–Scheldt delta from flooding while separating the Grevelingenmeer from the North Sea.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Grevelingendam
Target entity description: Grevelingendam is a major dam in the southwestern Netherlands that forms part of the Delta Works, protecting the Rhine–Meuse–Scheldt delta from flooding while separating the Grevelingenmeer from the North Sea.
  • A. Brouwersdam
    Brouwersdam is a major Dutch dam and causeway in the Rhine–Meuse–Scheldt delta, built as part of the Delta Works to protect the Netherlands from North Sea flooding while supporting road traffic and water management.
  • B. Haringvlietdam
    Haringvlietdam is a major Dutch storm surge barrier and dam complex that regulates water flow and protects the southwestern Netherlands from flooding as part of the Delta Works.
  • C. Haarlemmermeer
    Haarlemmermeer is a municipality in the province of North Holland in the Netherlands, best known for encompassing Amsterdam Airport Schiphol.
  • D. Nieuwe Waterweg
    Nieuwe Waterweg is a major artificial ship canal in the Netherlands that provides a direct deep-water connection between the North Sea and the port of Rotterdam.
  • E. Grevelingen
    Grevelingen is a large saltwater lake and former estuary in the southwestern Netherlands, known for its nature reserves, water sports, and role in the Delta Works coastal defense system.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a2506c5428819085c28a8884790e29 completed Feb. 28, 2026, 2:18 a.m.
NER Named-entity recognition batch_69a25b816dbc8190b20e13c80a451e6b completed Feb. 28, 2026, 3:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2d73164e48190b993fe55aaba30be completed Feb. 28, 2026, 11:53 a.m.
NEDg Description generation batch_69a2da25fb648190bc31b5689cfaf95c completed Feb. 28, 2026, 12:05 p.m.
NED2 Entity disambiguation (via description) batch_69a2daa879408190937f8b292389646f completed Feb. 28, 2026, 12:08 p.m.
Created at: Feb. 28, 2026, 2:24 a.m.