Triple

T6544831
Position Surface form Disambiguated ID Type / Status
Subject Pharos Island E150977 entity
Predicate connectedBy P37 FINISHED
Object 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.
E604378 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: Heptastadion causeway | Statement: [Pharos Island, connectedBy, Heptastadion causeway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Heptastadion causeway
Context triple: [Pharos Island, connectedBy, Heptastadion causeway]
  • A. Melide causeway
    The Melide causeway is a historic stone bridge and embankment in southern Switzerland that carries road and rail traffic across Lake Lugano, linking the town of Melide with the opposite shore.
  • B. 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.
  • C. 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.
  • D. Cacor aqueduct
    The Cacor aqueduct is a historic French water bridge that carries the Canal de Garonne over the Tarn River near Moissac.
  • E. Rostokinsky Aqueduct
    The Rostokinsky Aqueduct is a historic 18th-century stone aqueduct in Moscow, Russia, notable for its series of arches and role in the city’s early water supply system.
  • 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: Heptastadion causeway
Triple: [Pharos Island, connectedBy, Heptastadion causeway]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Heptastadion causeway
Target entity description: 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.
  • A. Melide causeway
    The Melide causeway is a historic stone bridge and embankment in southern Switzerland that carries road and rail traffic across Lake Lugano, linking the town of Melide with the opposite shore.
  • B. 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.
  • C. 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.
  • D. Cacor aqueduct
    The Cacor aqueduct is a historic French water bridge that carries the Canal de Garonne over the Tarn River near Moissac.
  • E. Rostokinsky Aqueduct
    The Rostokinsky Aqueduct is a historic 18th-century stone aqueduct in Moscow, Russia, notable for its series of arches and role in the city’s early water supply system.
  • 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_69c687f3fd60819083bfa583e5bcfa71 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6adece74c819095f3f800d5623ad2 completed March 27, 2026, 4:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6d54814848190bc397d9b81abc042 completed March 27, 2026, 7:06 p.m.
NEDg Description generation batch_69c6d67574cc8190acf20c1a598c32ee completed March 27, 2026, 7:11 p.m.
NED2 Entity disambiguation (via description) batch_69c6d83b53e48190881a3e1e8fa8b168 completed March 27, 2026, 7:19 p.m.
Created at: March 27, 2026, 1:50 p.m.