Triple
T13160924
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Addis Ababa–Djibouti Railway |
E312722
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
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.
|
E1024451
|
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: Société Djiboutienne de Chemin de Fer | Statement: [Addis Ababa–Djibouti Railway, operator, Société Djiboutienne de Chemin de Fer]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Société Djiboutienne de Chemin de Fer Context triple: [Addis Ababa–Djibouti Railway, operator, Société Djiboutienne de Chemin de Fer]
-
A.
Djibouti Telecom
Djibouti Telecom is the national telecommunications operator of Djibouti, providing fixed, mobile, and internet services across the country.
-
B.
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.
-
C.
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.
-
D.
Bamako–Dakar Railway
The Bamako–Dakar Railway is a major West African rail line connecting Mali’s capital Bamako with Dakar in Senegal, facilitating regional trade and passenger transport.
-
E.
Banque Centrale de Djibouti
Banque Centrale de Djibouti is the central bank of Djibouti, responsible for the country’s monetary policy, financial regulation, and currency management.
- 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: Société Djiboutienne de Chemin de Fer Triple: [Addis Ababa–Djibouti Railway, operator, Société Djiboutienne de Chemin de Fer]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Société Djiboutienne de Chemin de Fer Target entity description: 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.
-
A.
Djibouti Telecom
Djibouti Telecom is the national telecommunications operator of Djibouti, providing fixed, mobile, and internet services across the country.
-
B.
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.
-
C.
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.
-
D.
Bamako–Dakar Railway
The Bamako–Dakar Railway is a major West African rail line connecting Mali’s capital Bamako with Dakar in Senegal, facilitating regional trade and passenger transport.
-
E.
Banque Centrale de Djibouti
Banque Centrale de Djibouti is the central bank of Djibouti, responsible for the country’s monetary policy, financial regulation, and currency management.
- 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_69d806ac3ee081909b2fd27d060aa974 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98c0971008190869e9de710f4c579 |
completed | April 10, 2026, 11:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6eaf2ae688190b3484989791977ce |
completed | May 3, 2026, 6:28 a.m. |
| NEDg | Description generation | batch_69f6ebec15188190a8a07af6eb447edf |
completed | May 3, 2026, 6:32 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6ec7fe56481909e1ed69df593fa34 |
completed | May 3, 2026, 6:34 a.m. |
Created at: April 9, 2026, 9:12 p.m.