Triple
T7962853
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Zaria, Kaduna State, Nigeria |
E184916
|
entity |
| Predicate | railConnection |
P848
|
FINISHED |
| Object |
Nigerian Railway Corporation main line
The Nigerian Railway Corporation main line is a principal railway route in Nigeria that connects major cities and regions across the country, serving as a key backbone of its rail transport network.
|
E703300
|
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: Nigerian Railway Corporation main line | Statement: [Zaria, Kaduna State, Nigeria, railConnection, Nigerian Railway Corporation main line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nigerian Railway Corporation main line Context triple: [Zaria, Kaduna State, Nigeria, railConnection, Nigerian Railway Corporation main line]
-
A.
Transcameroon Railway
The Transcameroon Railway is a major rail line in Cameroon that links the country's central and northern regions, supporting both passenger travel and freight transport across key economic areas.
-
B.
Port Harcourt–Aba Road
Port Harcourt–Aba Road is a major highway in southern Nigeria that links the city of Port Harcourt with the commercial hub of Aba, serving as a key route for regional trade and daily commuting.
-
C.
Abuja–Keffi–Lafia highway
The Abuja–Keffi–Lafia highway is a major intercity roadway in central Nigeria that links the federal capital Abuja with key urban centers in Nasarawa State and beyond.
-
D.
Abuja–Kaduna expressway
The Abuja–Kaduna expressway is a major Nigerian highway linking the capital city Abuja with Kaduna, serving as a key transport corridor in the country’s north-central region.
-
E.
Port Harcourt–Owerri Road
Port Harcourt–Owerri Road is a major highway in southern Nigeria that links the city of Port Harcourt with Owerri, facilitating regional transport and commerce.
- 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: Nigerian Railway Corporation main line Triple: [Zaria, Kaduna State, Nigeria, railConnection, Nigerian Railway Corporation main line]
Generated description
The Nigerian Railway Corporation main line is a principal railway route in Nigeria that connects major cities and regions across the country, serving as a key backbone of its rail transport network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nigerian Railway Corporation main line Target entity description: The Nigerian Railway Corporation main line is a principal railway route in Nigeria that connects major cities and regions across the country, serving as a key backbone of its rail transport network.
-
A.
Transcameroon Railway
The Transcameroon Railway is a major rail line in Cameroon that links the country's central and northern regions, supporting both passenger travel and freight transport across key economic areas.
-
B.
Port Harcourt–Aba Road
Port Harcourt–Aba Road is a major highway in southern Nigeria that links the city of Port Harcourt with the commercial hub of Aba, serving as a key route for regional trade and daily commuting.
-
C.
Abuja–Keffi–Lafia highway
The Abuja–Keffi–Lafia highway is a major intercity roadway in central Nigeria that links the federal capital Abuja with key urban centers in Nasarawa State and beyond.
-
D.
Abuja–Kaduna expressway
The Abuja–Kaduna expressway is a major Nigerian highway linking the capital city Abuja with Kaduna, serving as a key transport corridor in the country’s north-central region.
-
E.
Port Harcourt–Owerri Road
Port Harcourt–Owerri Road is a major highway in southern Nigeria that links the city of Port Harcourt with Owerri, facilitating regional transport and commerce.
- 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_69ca8293a2388190aace944d7ed9c0c0 |
completed | March 30, 2026, 2:02 p.m. |
| NER | Named-entity recognition | batch_69cb3b9df72081908d33925da10192e9 |
completed | March 31, 2026, 3:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cbe08c36f48190b005c6c92ad813d0 |
completed | March 31, 2026, 2:56 p.m. |
| NEDg | Description generation | batch_69cbe43b20148190ba9a4dd00a9f5862 |
completed | March 31, 2026, 3:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cc3307ebd481908c1ec4b0be270a77 |
completed | March 31, 2026, 8:48 p.m. |
Created at: March 30, 2026, 5:12 p.m.