Triple
T13445699
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mombasa–Nairobi railway |
E320475
|
entity |
| Predicate | startPoint |
P389
|
FINISHED |
| Object | Port of Mombasa |
E896071
|
NE FINISHED |
How this triple was built (2 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: Port of Mombasa | Statement: [Mombasa–Nairobi railway, startPoint, Port of Mombasa]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Port of Mombasa Context triple: [Mombasa–Nairobi railway, startPoint, Port of Mombasa]
-
A.
Port of Mombasa
chosen
The Port of Mombasa is Kenya’s largest and busiest seaport, serving as a key gateway for maritime trade in East and Central Africa.
-
B.
Port of Dar es Salaam
The Port of Dar es Salaam is Tanzania’s principal maritime gateway and one of East Africa’s busiest ports, handling the majority of the country’s international trade and serving several landlocked neighboring states.
-
C.
Mombasa
Mombasa is a major coastal city in Kenya known as a key regional port and historic trading hub on the Indian Ocean.
-
D.
Port of Mogadishu
The Port of Mogadishu is Somalia’s principal seaport and a key hub for the country’s maritime trade on the Indian Ocean.
-
E.
Port of Aden
The Port of Aden is a major natural harbor and commercial seaport in Yemen, strategically located near the entrance to the Red Sea along key international shipping routes.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d80761e6cc8190a90c844589998ecc |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbaef5f610819092cad33ef72075ff |
completed | April 12, 2026, 2:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f75d8892a88190b4a32865b32c8883 |
completed | May 3, 2026, 2:36 p.m. |
Created at: April 9, 2026, 9:40 p.m.