Triple

T5239309
Position Surface form Disambiguated ID Type / Status
Subject River Hull E118299 entity
Predicate hasFloodDefense P25010 FINISHED
Object Hull Tidal Surge Barrier
The Hull Tidal Surge Barrier is a major flood defense structure in Kingston upon Hull, England, designed to protect the city from tidal surges and high water levels from the Humber Estuary.
E505692 NE FINISHED

How this triple was built (5 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: Hull Tidal Surge Barrier | Statement: [River Hull, hasFloodDefense, Hull Tidal Surge Barrier]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hull Tidal Surge Barrier
Context triple: [River Hull, hasFloodDefense, Hull Tidal Surge Barrier]
  • A. 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.
  • B. 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.
  • C. Cardiff Bay Barrage
    Cardiff Bay Barrage is a major civil engineering project in Cardiff, Wales, that created a large freshwater lake and transformed the former docklands into a modern waterfront area for leisure, housing, and commerce.
  • D. MOSE flood barrier system
    The MOSE flood barrier system is a large-scale engineering project of movable gates designed to protect Venice and its lagoon from high tides and flooding.
  • E. Hollandse IJssel storm surge barrier
    The Hollandse IJssel storm surge barrier is a major Dutch flood defense structure near Krimpen aan den IJssel that protects the low-lying Randstad region from high water levels during North Sea storms.
  • 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: Hull Tidal Surge Barrier
Triple: [River Hull, hasFloodDefense, Hull Tidal Surge Barrier]
Generated description
The Hull Tidal Surge Barrier is a major flood defense structure in Kingston upon Hull, England, designed to protect the city from tidal surges and high water levels from the Humber Estuary.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hull Tidal Surge Barrier
Target entity description: The Hull Tidal Surge Barrier is a major flood defense structure in Kingston upon Hull, England, designed to protect the city from tidal surges and high water levels from the Humber Estuary.
  • A. 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.
  • B. 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.
  • C. Cardiff Bay Barrage
    Cardiff Bay Barrage is a major civil engineering project in Cardiff, Wales, that created a large freshwater lake and transformed the former docklands into a modern waterfront area for leisure, housing, and commerce.
  • D. MOSE flood barrier system
    The MOSE flood barrier system is a large-scale engineering project of movable gates designed to protect Venice and its lagoon from high tides and flooding.
  • E. Hollandse IJssel storm surge barrier
    The Hollandse IJssel storm surge barrier is a major Dutch flood defense structure near Krimpen aan den IJssel that protects the low-lying Randstad region from high water levels during North Sea storms.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasFloodDefense
Context triple: [River Hull, hasFloodDefense, Hull Tidal Surge Barrier]
  • A. hasFloodProtectionInfrastructure
    Indicates that there exists built or implemented infrastructure designed to protect against or mitigate flooding for the referenced entity.
  • B. hasFloodProtectionProject
    Indicates that a flood protection project exists or is implemented for the referenced entity.
  • C. hasFloodRisk
    Indicates that an entity is exposed to a potential or expected risk of flooding under certain conditions.
  • D. hasFloodControlStructure chosen
    Indicates that an entity possesses or is equipped with a structure designed to manage, control, or mitigate flooding.
  • E. hasFloodHistory
    Indicates that the subject has experienced one or more flood events in the past.
  • F. None of above.

Provenance (6 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_69bd4467db0881909b3b0982df32cc8f completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd7b290b88819095bc99c234260d25 completed March 20, 2026, 4:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69bef823afd88190a3a41e7fff09d449 completed March 21, 2026, 7:57 p.m.
NEDg Description generation batch_69bef933c4008190bea3a5a7e5de17e6 completed March 21, 2026, 8:01 p.m.
NED2 Entity disambiguation (via description) batch_69bef9a600908190bdaff60b7a514538 completed March 21, 2026, 8:03 p.m.
PD Predicate disambiguation batch_69bd77c1397c8190a7fd844d7a396e54 completed March 20, 2026, 4:37 p.m.
Created at: March 20, 2026, 1:49 p.m.