Triple

T12386362
Position Surface form Disambiguated ID Type / Status
Subject Marathon Reservoir E295874 entity
Predicate partOf P40 FINISHED
Object Athens water supply system
The Athens water supply system is the integrated network of reservoirs, aqueducts, treatment plants, and distribution infrastructure that provides potable water to the Athens metropolitan area.
E979420 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: Athens water supply system | Statement: [Marathon Reservoir, partOf, Athens water supply system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Athens water supply system
Context triple: [Marathon Reservoir, partOf, Athens water supply system]
  • A. Kavala Aqueduct
    The Kavala Aqueduct is a prominent historic Roman and Ottoman-era water bridge in the Greek city of Kavala, known for its impressive multi-arched structure dominating the urban skyline.
  • B. Aqueduct of Herodes Atticus in Olympia
    The Aqueduct of Herodes Atticus in Olympia is an ancient Roman-era water supply system in the sanctuary of Olympia, funded and commissioned by the wealthy Greek aristocrat and Roman senator Herodes Atticus.
  • C. Eupalinian aqueduct
    The Eupalinian aqueduct is an ancient underground water tunnel on the Greek island of Samos, renowned as a major feat of 6th-century BCE engineering for its precise construction through a mountain.
  • D. Croton Aqueduct system
    The Croton Aqueduct system is a historic 19th-century water supply network that delivered fresh water from the Croton River to New York City, enabling the city’s rapid growth and improved public health.
  • E. Tunnel of Eupalinos
    The Tunnel of Eupalinos is an ancient Greek underground aqueduct on the island of Samos, renowned as a remarkable feat of 6th-century BCE engineering for its precise construction from both ends of a mountain.
  • 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: Athens water supply system
Triple: [Marathon Reservoir, partOf, Athens water supply system]
Generated description
The Athens water supply system is the integrated network of reservoirs, aqueducts, treatment plants, and distribution infrastructure that provides potable water to the Athens metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Athens water supply system
Target entity description: The Athens water supply system is the integrated network of reservoirs, aqueducts, treatment plants, and distribution infrastructure that provides potable water to the Athens metropolitan area.
  • A. Kavala Aqueduct
    The Kavala Aqueduct is a prominent historic Roman and Ottoman-era water bridge in the Greek city of Kavala, known for its impressive multi-arched structure dominating the urban skyline.
  • B. Aqueduct of Herodes Atticus in Olympia
    The Aqueduct of Herodes Atticus in Olympia is an ancient Roman-era water supply system in the sanctuary of Olympia, funded and commissioned by the wealthy Greek aristocrat and Roman senator Herodes Atticus.
  • C. Eupalinian aqueduct
    The Eupalinian aqueduct is an ancient underground water tunnel on the Greek island of Samos, renowned as a major feat of 6th-century BCE engineering for its precise construction through a mountain.
  • D. Croton Aqueduct system
    The Croton Aqueduct system is a historic 19th-century water supply network that delivered fresh water from the Croton River to New York City, enabling the city’s rapid growth and improved public health.
  • E. Tunnel of Eupalinos
    The Tunnel of Eupalinos is an ancient Greek underground aqueduct on the island of Samos, renowned as a remarkable feat of 6th-century BCE engineering for its precise construction from both ends of a mountain.
  • 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_69d6ad9e653c8190b1473c860ee53dae completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d93fbd489c819098233a111442762e completed April 10, 2026, 6:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f62ac939bc819081629b9eef20c4e7 completed May 2, 2026, 4:48 p.m.
NEDg Description generation batch_69f62c7b28588190839c35c19856d16f completed May 2, 2026, 4:55 p.m.
NED2 Entity disambiguation (via description) batch_69f62e403a308190a2bba3fefc420932 completed May 2, 2026, 5:02 p.m.
Created at: April 8, 2026, 9:54 p.m.