Triple

T17154217
Position Surface form Disambiguated ID Type / Status
Subject Massawa E416299 entity
Predicate formerRailLink P20480 FINISHED
Object Asmara–Massawa railway E1202689 NE FINISHED

How this triple was built (3 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: Asmara–Massawa railway | Statement: [Massawa, formerRailLink, Asmara–Massawa railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Asmara–Massawa railway
Context triple: [Massawa, formerRailLink, Asmara–Massawa railway]
  • A. Asmara–Massawa railway chosen
    The Asmara–Massawa railway is a historic narrow-gauge line in Eritrea, renowned for its dramatic mountain route between the capital and the Red Sea coast and for being one of the few surviving steam-era railways in Africa.
  • B. Ethiopian–Djibouti Railway
    The Ethiopian–Djibouti Railway was a historic metre-gauge rail line linking landlocked Ethiopia to the port of Djibouti, serving as a vital trade and transport corridor in the Horn of Africa for much of the 20th century.
  • C. Addis Ababa–Djibouti Railway
    The Addis Ababa–Djibouti Railway is a modern electrified standard-gauge rail line linking Ethiopia’s capital Addis Ababa with the port city of Djibouti, serving as a key trade and transport corridor for landlocked Ethiopia.
  • D. Asmara–Massawa road
    The Asmara–Massawa road is a key highway in Eritrea that links the capital Asmara in the highlands with the Red Sea port city of Massawa, traversing dramatic mountainous terrain.
  • E. Asmara–Adigrat road corridor
    The Asmara–Adigrat road corridor is a key transboundary route linking Eritrea’s capital Asmara with the town of Adigrat in northern Ethiopia, serving as an important axis for regional transport and trade.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: formerRailLink
Context triple: [Massawa, formerRailLink, Asmara–Massawa railway]
  • A. formerRailroad
    Indicates that an entity was previously a railroad but no longer functions as one.
  • B. formerRailwayLine chosen
    Indicates that a railway line previously existed in the past but is no longer in operation or has been decommissioned.
  • C. formerRailOperator
    Indicates that an entity previously operated a rail service or railway system but no longer does so.
  • D. relatedRailroad
    Indicates that there is an association or connection between an entity and a specific railroad, such as ownership, operation, service, or historical linkage.
  • E. laterRailwayCompany
    Indicates that one railway company is the successor or later incarnation of another railway company.
  • F. None of above.

Provenance (4 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_69d886d279c081909f8ff1f743ddeb69 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3f4092c40819096359ff90af16c3e completed April 18, 2026, 9:13 p.m.
NED1 Entity disambiguation (via context triple) batch_6a01415f3cd481908e96ca294cf3b247 completed May 11, 2026, 2:39 a.m.
PD Predicate disambiguation batch_69e3830d2a90819092386717dc56f0e8 completed April 18, 2026, 1:11 p.m.
Created at: April 10, 2026, 5:37 a.m.