Triple
T6435583
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yaoundé |
E129885
|
entity |
| Predicate | hasTransport |
P1298
|
FINISHED |
| Object |
Yaoundé railway station
Yaoundé railway station is the main train station serving Cameroon’s capital, functioning as a key hub for passenger and freight rail transport in the country.
|
E591935
|
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: Yaoundé railway station | Statement: [Yaoundé, hasTransport, Yaoundé railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yaoundé railway station Context triple: [Yaoundé, hasTransport, Yaoundé railway station]
-
A.
Ngaoundéré railway terminus
Ngaoundéré railway terminus is the main railway station and northern endpoint of Cameroon's central rail line, serving as a key transport gateway for the Adamawa Region.
-
B.
Douala International Airport
Douala International Airport is the main international gateway and busiest airport in Cameroon, serving the city of Douala and the surrounding region.
-
C.
Yaoundé
Yaoundé is the political and administrative center of Cameroon, known for its hilly terrain and role as a major cultural and economic hub in Central Africa.
-
D.
Canon Yaoundé
Canon Yaoundé is a prominent Cameroonian football club historically renowned for its multiple African club championship titles and strong influence in African football.
-
E.
Ngaoundéré
Ngaoundéré is a major city in northern Cameroon that serves as the regional capital of Adamawa and an important commercial and transport hub between central and northern Africa.
- 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: Yaoundé railway station Triple: [Yaoundé, hasTransport, Yaoundé railway station]
Generated description
Yaoundé railway station is the main train station serving Cameroon’s capital, functioning as a key hub for passenger and freight rail transport in the country.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Yaoundé railway station Target entity description: Yaoundé railway station is the main train station serving Cameroon’s capital, functioning as a key hub for passenger and freight rail transport in the country.
-
A.
Ngaoundéré railway terminus
Ngaoundéré railway terminus is the main railway station and northern endpoint of Cameroon's central rail line, serving as a key transport gateway for the Adamawa Region.
-
B.
Douala International Airport
Douala International Airport is the main international gateway and busiest airport in Cameroon, serving the city of Douala and the surrounding region.
-
C.
Yaoundé
Yaoundé is the political and administrative center of Cameroon, known for its hilly terrain and role as a major cultural and economic hub in Central Africa.
-
D.
Canon Yaoundé
Canon Yaoundé is a prominent Cameroonian football club historically renowned for its multiple African club championship titles and strong influence in African football.
-
E.
Ngaoundéré
Ngaoundéré is a major city in northern Cameroon that serves as the regional capital of Adamawa and an important commercial and transport hub between central and northern Africa.
- 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_69c0084caac48190a7bc2ad8ba44536f |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c069415c3c8190b91bd12ae79edd26 |
completed | March 22, 2026, 10:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c640efd490819084b3b67b3b0680b6 |
completed | March 27, 2026, 8:33 a.m. |
| NEDg | Description generation | batch_69c6420e3fe48190aef959cb7ab1e0d3 |
completed | March 27, 2026, 8:38 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c642a344e48190bccb0f0d122fca4c |
completed | March 27, 2026, 8:41 a.m. |
Created at: March 22, 2026, 4:45 p.m.