Triple

T7539300
Position Surface form Disambiguated ID Type / Status
Subject Pythagoreio E178232 entity
Predicate contains P35 FINISHED
Object 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.
E671984 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: Tunnel of Eupalinos | Statement: [Pythagoreio, contains, Tunnel of Eupalinos]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tunnel of Eupalinos
Context triple: [Pythagoreio, contains, Tunnel of Eupalinos]
  • 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. Cacor aqueduct
    The Cacor aqueduct is a historic French water bridge that carries the Canal de Garonne over the Tarn River near Moissac.
  • C. Heptastadion causeway
    The Heptastadion causeway was an ancient engineering structure in Alexandria that linked the mainland to Pharos Island, helping form the city’s famous twin harbors.
  • D. Aqueduct of Pitigliano
    The Aqueduct of Pitigliano is a historic Renaissance-era aqueduct in the Tuscan hill town of Pitigliano, Italy, notable for its striking arches integrated into the town’s dramatic tufa cliffs.
  • E. Lune Aqueduct
    Lune Aqueduct is a historic 18th-century stone aqueduct in Lancaster, England, renowned for carrying the canal high over the River Lune with a series of impressive arches.
  • 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: Tunnel of Eupalinos
Triple: [Pythagoreio, contains, Tunnel of Eupalinos]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tunnel of Eupalinos
Target entity description: 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.
  • 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. Cacor aqueduct
    The Cacor aqueduct is a historic French water bridge that carries the Canal de Garonne over the Tarn River near Moissac.
  • C. Heptastadion causeway
    The Heptastadion causeway was an ancient engineering structure in Alexandria that linked the mainland to Pharos Island, helping form the city’s famous twin harbors.
  • D. Aqueduct of Pitigliano
    The Aqueduct of Pitigliano is a historic Renaissance-era aqueduct in the Tuscan hill town of Pitigliano, Italy, notable for its striking arches integrated into the town’s dramatic tufa cliffs.
  • E. Lune Aqueduct
    Lune Aqueduct is a historic 18th-century stone aqueduct in Lancaster, England, renowned for carrying the canal high over the River Lune with a series of impressive arches.
  • 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_69c69f2be3888190a6667a27f8f195e9 completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f87280f0819097d4ffc2e1b62cf8 completed March 27, 2026, 9:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69c84f14d20c8190ab254f991cec0d94 completed March 28, 2026, 9:58 p.m.
NEDg Description generation batch_69c853ab496c8190ad35c7c00eb82160 completed March 28, 2026, 10:18 p.m.
NED2 Entity disambiguation (via description) batch_69c853f8e6808190bde26c01576cc22c completed March 28, 2026, 10:19 p.m.
Created at: March 27, 2026, 3:48 p.m.