Triple

T857686
Position Surface form Disambiguated ID Type / Status
Subject Delta Works E18527 entity
Predicate notableStructure P1544 FINISHED
Object Maeslantkering movable storm surge barrier
The Maeslantkering movable storm surge barrier is a massive, computer-controlled flood defense structure near Rotterdam that protects the Netherlands from North Sea storm surges as part of the Delta Works system.
 E107753 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: Maeslantkering movable storm surge barrier | Statement: [Delta Works, notableStructure, Maeslantkering movable storm surge barrier]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Maeslantkering movable storm surge barrier
Context triple: [Delta Works, notableStructure, Maeslantkering movable storm surge barrier]
  • A. Oosterscheldekering storm surge barrier
    The Oosterscheldekering storm surge barrier is a massive movable flood defense structure in the Netherlands, renowned as the largest and most complex component of the Delta Works coastal protection system.
  • B. Thames Barrier
    The Thames Barrier is a large movable flood defense structure on the River Thames in London, designed to protect the city from tidal surges and flooding.
  • C. Stormvloedkering Hollandse IJssel
    Stormvloedkering Hollandse IJssel is a major storm surge barrier in the Netherlands that protects low-lying areas along the Hollandse IJssel river from flooding as part of the Delta Works.
  • D. Delta Works
    Delta Works is a vast system of dams, storm surge barriers, and other hydraulic structures in the Netherlands designed to protect low-lying areas from the sea and river flooding.
  • E. Volkerakdam
    Volkerakdam is a major Dutch dam and water management structure that forms part of the Delta Works system, helping to control water levels and protect against flooding in the Rhine–Meuse–Scheldt delta.
  • 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: Maeslantkering movable storm surge barrier
Triple: [Delta Works, notableStructure, Maeslantkering movable storm surge barrier]
Generated description
The Maeslantkering movable storm surge barrier is a massive, computer-controlled flood defense structure near Rotterdam that protects the Netherlands from North Sea storm surges as part of the Delta Works system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Maeslantkering movable storm surge barrier
Target entity description: The Maeslantkering movable storm surge barrier is a massive, computer-controlled flood defense structure near Rotterdam that protects the Netherlands from North Sea storm surges as part of the Delta Works system.
  • A. Oosterscheldekering storm surge barrier
    The Oosterscheldekering storm surge barrier is a massive movable flood defense structure in the Netherlands, renowned as the largest and most complex component of the Delta Works coastal protection system.
  • B. Thames Barrier
    The Thames Barrier is a large movable flood defense structure on the River Thames in London, designed to protect the city from tidal surges and flooding.
  • C. Stormvloedkering Hollandse IJssel
    Stormvloedkering Hollandse IJssel is a major storm surge barrier in the Netherlands that protects low-lying areas along the Hollandse IJssel river from flooding as part of the Delta Works.
  • D. Delta Works
    Delta Works is a vast system of dams, storm surge barriers, and other hydraulic structures in the Netherlands designed to protect low-lying areas from the sea and river flooding.
  • E. Volkerakdam
    Volkerakdam is a major Dutch dam and water management structure that forms part of the Delta Works system, helping to control water levels and protect against flooding in the Rhine–Meuse–Scheldt delta.
  • 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_69a4938bdd3c8190a954a3c11844d9cf completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ac4d47508190b48d944aa2d881bf completed March 1, 2026, 9:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7cf53ee748190b5a08bd7a6d0614c completed March 4, 2026, 6:21 a.m.
NEDg Description generation batch_69a7cfbf8cf08190b41d4e322e1bc61c completed March 4, 2026, 6:22 a.m.
NED2 Entity disambiguation (via description) batch_69a7d01bd97081909d176e8fbb096859 completed March 4, 2026, 6:24 a.m.
Created at: March 1, 2026, 7:39 p.m.