Triple
T5948090
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Douala |
E132327
|
entity |
| Predicate | hasNotableBridge |
P386
|
FINISHED |
| Object |
Wouri Bridge
Wouri Bridge is a major road and rail bridge in Douala, Cameroon, that spans the Wouri River and serves as a key transportation link for the city and region.
|
E557635
|
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: Wouri Bridge | Statement: [Douala, hasNotableBridge, Wouri Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Wouri Bridge Context triple: [Douala, hasNotableBridge, Wouri Bridge]
-
A.
Niamey Friendship Bridge
The Niamey Friendship Bridge is a major road bridge over the Niger River in Niamey, Niger, built to improve urban connectivity and regional trade.
-
B.
Niger River Bridge
The Niger River Bridge is a major road bridge in southeastern Nigeria that spans the Niger River, serving as a critical transport link and commercial gateway at Onitsha.
-
C.
Paul Doumer Bridge
Paul Doumer Bridge is the former name of Hanoi’s historic Long Biên Bridge, a French colonial-era cantilever bridge over the Red River that played a key role in Vietnam’s transport and wartime history.
-
D.
Faidherbe Bridge
Faidherbe Bridge is a historic metal arch bridge in Saint-Louis, Senegal, known for linking the island city to the mainland and serving as an iconic colonial-era landmark.
-
E.
Nalubaale Bridge
Nalubaale Bridge is a major road and rail bridge in Jinja, Uganda, spanning the Victoria Nile near the outlet of Lake Victoria.
- 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: Wouri Bridge Triple: [Douala, hasNotableBridge, Wouri Bridge]
Generated description
Wouri Bridge is a major road and rail bridge in Douala, Cameroon, that spans the Wouri River and serves as a key transportation link for the city and region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Wouri Bridge Target entity description: Wouri Bridge is a major road and rail bridge in Douala, Cameroon, that spans the Wouri River and serves as a key transportation link for the city and region.
-
A.
Niamey Friendship Bridge
The Niamey Friendship Bridge is a major road bridge over the Niger River in Niamey, Niger, built to improve urban connectivity and regional trade.
-
B.
Niger River Bridge
The Niger River Bridge is a major road bridge in southeastern Nigeria that spans the Niger River, serving as a critical transport link and commercial gateway at Onitsha.
-
C.
Paul Doumer Bridge
Paul Doumer Bridge is the former name of Hanoi’s historic Long Biên Bridge, a French colonial-era cantilever bridge over the Red River that played a key role in Vietnam’s transport and wartime history.
-
D.
Faidherbe Bridge
Faidherbe Bridge is a historic metal arch bridge in Saint-Louis, Senegal, known for linking the island city to the mainland and serving as an iconic colonial-era landmark.
-
E.
Nalubaale Bridge
Nalubaale Bridge is a major road and rail bridge in Jinja, Uganda, spanning the Victoria Nile near the outlet of Lake Victoria.
- 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_69c00869d3308190af89b2453e0f7546 |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c0397c80708190a4778fdb353314b7 |
completed | March 22, 2026, 6:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0c08d4f0481908547609bc2736380 |
completed | March 23, 2026, 4:24 a.m. |
| NEDg | Description generation | batch_69c0c19665b08190ab3c66b7c6c33f61 |
completed | March 23, 2026, 4:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c0c4576824819080ced71df8fdda6c |
completed | March 23, 2026, 4:40 a.m. |
Created at: March 22, 2026, 4:01 p.m.