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.