Triple

T3561048
Position Surface form Disambiguated ID Type / Status
Subject Samson Fountain E75337 entity
Predicate waterSource P4102 FINISHED
Object Ropsha hills gravity system
The Ropsha hills gravity system is an 18th-century hydraulic engineering network that channels elevated spring and river water by gravity to supply grand fountains and water features in the Peterhof palace complex near St. Petersburg, Russia.
E369041 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: Ropsha hills gravity system | Statement: [Samson Fountain, waterSource, Ropsha hills gravity system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ropsha hills gravity system
Context triple: [Samson Fountain, waterSource, Ropsha hills gravity system]
  • A. Taga Stone Quarry
    Taga Stone Quarry is a historic stone extraction site on the island of Rota in the Northern Mariana Islands, known for its ancient latte stone pillars and archaeological significance.
  • B. Noyyal river tank system
    The Noyyal river tank system is an ancient network of interconnected tanks and canals in Tamil Nadu, India, designed to store and distribute Noyyal River water for irrigation and flood control.
  • C. Shushary
    Shushary is a municipal settlement in the southern part of Saint Petersburg, Russia, known for its residential areas and industrial facilities.
  • D. Taganana Hill
    Taganana Hill is an elevated area in Havana, Cuba, known primarily as the site of the historic Hotel Nacional de Cuba overlooking the city and the sea.
  • E. Roda Nilometer
    The Roda Nilometer is an ancient structure on Cairo’s Roda Island that was historically used to measure the Nile River’s water level and predict flooding and taxation.
  • 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: Ropsha hills gravity system
Triple: [Samson Fountain, waterSource, Ropsha hills gravity system]
Generated description
The Ropsha hills gravity system is an 18th-century hydraulic engineering network that channels elevated spring and river water by gravity to supply grand fountains and water features in the Peterhof palace complex near St. Petersburg, Russia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ropsha hills gravity system
Target entity description: The Ropsha hills gravity system is an 18th-century hydraulic engineering network that channels elevated spring and river water by gravity to supply grand fountains and water features in the Peterhof palace complex near St. Petersburg, Russia.
  • A. Taga Stone Quarry
    Taga Stone Quarry is a historic stone extraction site on the island of Rota in the Northern Mariana Islands, known for its ancient latte stone pillars and archaeological significance.
  • B. Noyyal river tank system
    The Noyyal river tank system is an ancient network of interconnected tanks and canals in Tamil Nadu, India, designed to store and distribute Noyyal River water for irrigation and flood control.
  • C. Shushary
    Shushary is a municipal settlement in the southern part of Saint Petersburg, Russia, known for its residential areas and industrial facilities.
  • D. Taganana Hill
    Taganana Hill is an elevated area in Havana, Cuba, known primarily as the site of the historic Hotel Nacional de Cuba overlooking the city and the sea.
  • E. Roda Nilometer
    The Roda Nilometer is an ancient structure on Cairo’s Roda Island that was historically used to measure the Nile River’s water level and predict flooding and taxation.
  • 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_69ad85d45090819086f34fb85d850a1e completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc08ac1b0819082021ecdd0061dc3 completed March 8, 2026, 6:31 p.m.
NED1 Entity disambiguation (via context triple) batch_69b3bba21960819094676de7c4740fd9 completed March 13, 2026, 7:24 a.m.
NEDg Description generation batch_69b3bf69741481909e3d5ed71bb0e026 completed March 13, 2026, 7:40 a.m.
NED2 Entity disambiguation (via description) batch_69b3f299cfd08190948e602e8efab213 completed March 13, 2026, 11:18 a.m.
Created at: March 8, 2026, 3:21 p.m.