Triple

T14664775
Position Surface form Disambiguated ID Type / Status
Subject Bamako–Dakar Railway E344338 entity
Predicate historicalOperator P2834 FINISHED
Object Régie des Chemins de Fer du Mali
Régie des Chemins de Fer du Mali was the state-owned railway company of Mali responsible for operating and managing the country’s rail services.
E1112788 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: Régie des Chemins de Fer du Mali | Statement: [Bamako–Dakar Railway, historicalOperator, Régie des Chemins de Fer du Mali]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Régie des Chemins de Fer du Mali
Context triple: [Bamako–Dakar Railway, historicalOperator, Régie des Chemins de Fer du Mali]
  • A. Société Nationale des Chemins de fer du Congo
    Société Nationale des Chemins de fer du Congo is the state-owned railway company of the Democratic Republic of the Congo, responsible for operating much of the country’s rail transport infrastructure and services.
  • B. Compagnie des chemins de fer du Midi
    Compagnie des chemins de fer du Midi was a major 19th- and early 20th-century French railway company that operated extensive lines in the southwest of France before being absorbed into the national rail system.
  • C. Abidjan–Ouagadougou railway
    The Abidjan–Ouagadougou railway is a major West African rail line linking the port city of Abidjan in Côte d'Ivoire with Ouagadougou, the capital of Burkina Faso, facilitating regional trade and passenger transport.
  • D. Société Djiboutienne de Chemin de Fer
    Société Djiboutienne de Chemin de Fer is the national railway company of Djibouti responsible for managing and operating the country’s rail services, including its international link with Ethiopia.
  • E. Chemins de fer de la Corse
    Chemins de fer de la Corse is the regional narrow-gauge railway network that provides passenger and freight rail services across the island of Corsica, France.
  • 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: Régie des Chemins de Fer du Mali
Triple: [Bamako–Dakar Railway, historicalOperator, Régie des Chemins de Fer du Mali]
Generated description
Régie des Chemins de Fer du Mali was the state-owned railway company of Mali responsible for operating and managing the country’s rail services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Régie des Chemins de Fer du Mali
Target entity description: Régie des Chemins de Fer du Mali was the state-owned railway company of Mali responsible for operating and managing the country’s rail services.
  • A. Société Nationale des Chemins de fer du Congo
    Société Nationale des Chemins de fer du Congo is the state-owned railway company of the Democratic Republic of the Congo, responsible for operating much of the country’s rail transport infrastructure and services.
  • B. Compagnie des chemins de fer du Midi
    Compagnie des chemins de fer du Midi was a major 19th- and early 20th-century French railway company that operated extensive lines in the southwest of France before being absorbed into the national rail system.
  • C. Abidjan–Ouagadougou railway
    The Abidjan–Ouagadougou railway is a major West African rail line linking the port city of Abidjan in Côte d'Ivoire with Ouagadougou, the capital of Burkina Faso, facilitating regional trade and passenger transport.
  • D. Société Djiboutienne de Chemin de Fer
    Société Djiboutienne de Chemin de Fer is the national railway company of Djibouti responsible for managing and operating the country’s rail services, including its international link with Ethiopia.
  • E. Chemins de fer de la Corse
    Chemins de fer de la Corse is the regional narrow-gauge railway network that provides passenger and freight rail services across the island of Corsica, France.
  • 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_69d822e283fc8190a0e4c235cf880052 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb54c69f8819080a37161deecfba8 completed April 14, 2026, 9:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69fdd5e4789481909a64622a1d284373 completed May 8, 2026, 12:24 p.m.
NEDg Description generation batch_69fdd9b5d7988190927e88feef6a972f completed May 8, 2026, 12:40 p.m.
NED2 Entity disambiguation (via description) batch_69fddaa56f4c8190ba56af6a7a56a201 completed May 8, 2026, 12:44 p.m.
Created at: April 10, 2026, 1:27 a.m.