Triple
T2933611
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Djibouti City |
E79211
|
entity |
| Predicate | railway |
P848
|
FINISHED |
| Object |
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.
|
E312722
|
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: Addis Ababa–Djibouti Railway | Statement: [Djibouti City, railway, Addis Ababa–Djibouti Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Addis Ababa–Djibouti Railway Context triple: [Djibouti City, railway, Addis Ababa–Djibouti Railway]
-
A.
Cairo–Aswan railway line
The Cairo–Aswan railway line is a major Egyptian rail corridor running along the Nile Valley, connecting the capital Cairo with the southern city of Aswan and serving key urban centers in between.
-
B.
Cairo–Port Said line
The Cairo–Port Said line is a major Egyptian railway route linking the capital Cairo with the Mediterranean port city of Port Said, serving as a key axis for passenger and freight transport in the Nile Delta.
-
C.
Estación Etiopía
Estación Etiopía is a Mexico City Metro station named after the nearby Etiopía / Plaza de la Transparencia area, serving passengers on Line 3 in the central part of the city.
-
D.
Hejaz Railway
The Hejaz Railway was an early 20th-century Ottoman narrow-gauge railway built to connect Damascus with the holy cities of the Hejaz, notably facilitating Muslim pilgrimage to Medina.
-
E.
Tekeze River Bridge (Ethiopia)
The Tekeze River Bridge in Ethiopia is a major engineering structure spanning the Tekeze River, notable for its role in improving regional transportation and connectivity in northern Ethiopia.
- 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: Addis Ababa–Djibouti Railway Triple: [Djibouti City, railway, Addis Ababa–Djibouti Railway]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Addis Ababa–Djibouti Railway Target entity description: 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.
-
A.
Cairo–Aswan railway line
The Cairo–Aswan railway line is a major Egyptian rail corridor running along the Nile Valley, connecting the capital Cairo with the southern city of Aswan and serving key urban centers in between.
-
B.
Cairo–Port Said line
The Cairo–Port Said line is a major Egyptian railway route linking the capital Cairo with the Mediterranean port city of Port Said, serving as a key axis for passenger and freight transport in the Nile Delta.
-
C.
Estación Etiopía
Estación Etiopía is a Mexico City Metro station named after the nearby Etiopía / Plaza de la Transparencia area, serving passengers on Line 3 in the central part of the city.
-
D.
Hejaz Railway
The Hejaz Railway was an early 20th-century Ottoman narrow-gauge railway built to connect Damascus with the holy cities of the Hejaz, notably facilitating Muslim pilgrimage to Medina.
-
E.
Tekeze River Bridge (Ethiopia)
The Tekeze River Bridge in Ethiopia is a major engineering structure spanning the Tekeze River, notable for its role in improving regional transportation and connectivity in northern Ethiopia.
- 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_69ad8b0fbab081908f6a61567c045d8d |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad983b65f881909b8b7d3dc5c224fd |
completed | March 8, 2026, 3:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b0867796808190a026c165e759f3ea |
completed | March 10, 2026, 9 p.m. |
| NEDg | Description generation | batch_69b0dfcee6608190a5e3608c42e1efa0 |
completed | March 11, 2026, 3:21 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b0e411b7d88190a396f7fe10f86c46 |
completed | March 11, 2026, 3:40 a.m. |
Created at: March 8, 2026, 2:56 p.m.