Triple

T16368427
Position Surface form Disambiguated ID Type / Status
Subject Kabwe E397497 entity
Predicate railwayLine P848 FINISHED
Object Cape to Cairo Railway (historical route) E253831 NE FINISHED

How this triple was built (2 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: Cape to Cairo Railway (historical route) | Statement: [Kabwe, railwayLine, Cape to Cairo Railway (historical route)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cape to Cairo Railway (historical route)
Context triple: [Kabwe, railwayLine, Cape to Cairo Railway (historical route)]
  • A. Cape to Cairo Railway project chosen
    The Cape to Cairo Railway project was an ambitious but never fully realized British colonial scheme to create a continuous rail link spanning the African continent from South Africa to Egypt.
  • B. Cape Town–Bulawayo railway
    The Cape Town–Bulawayo railway is a major southern African rail line linking Cape Town in South Africa with Bulawayo in Zimbabwe, historically significant as a key north–south transport corridor.
  • C. Benguela Railway
    Benguela Railway is a major Angolan railway line that historically linked the country’s interior and neighboring regions to the Atlantic port of Lobito, serving as a key route for freight and passenger transport.
  • D. Cape to Cairo Road corridor
    The Cape to Cairo Road corridor is a proposed trans-African highway route intended to link South Africa’s Cape Town with Egypt’s Cairo, facilitating regional connectivity and trade across the continent.
  • E. Cape to Cairo Telegraph line
    The Cape to Cairo Telegraph line was a British imperial communications project aiming to connect South Africa to Egypt by telegraph, symbolizing efforts to link the African continent under colonial rule.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d87f2778dc8190aa95c7572db127e6 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e2ff3f0694819097faa1c1447a9e97 completed April 18, 2026, 3:49 a.m.
NED1 Entity disambiguation (via context triple) batch_6a002dc29f088190ba5d69ff3c12a251 completed May 10, 2026, 7:03 a.m.
Created at: April 10, 2026, 5:08 a.m.