Triple
T21406537
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Matanzas |
E528048
|
entity |
| Predicate | railConnection |
P848
|
FINISHED |
| Object | Havana–Matanzas railway line |
—
|
NE NERFINISHED |
How this triple was built (3 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: Havana–Matanzas railway line | Statement: [Matanzas, railConnection, Havana–Matanzas railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Havana–Matanzas railway line Context triple: [Matanzas, railConnection, Havana–Matanzas railway line]
-
A.
Central Railway of Cuba
The Central Railway of Cuba is a major rail line that runs the length of the island, connecting key cities and regions across Cuba.
-
B.
Ferrocarril de la Sabana
Ferrocarril de la Sabana is a historic tourist railway service that operates on former national rail lines around Bogotá, Colombia, offering scenic trips through the surrounding savanna region.
-
C.
Ressano Garcia railway line
The Ressano Garcia railway line is a key rail corridor in Mozambique that connects the capital city Maputo with the South African border, facilitating regional trade and passenger transport.
-
D.
Ferromex railway line
The Ferromex railway line is a major Mexican rail network operated by Ferrocarril Mexicano that transports freight and passengers across key regions of the country, including the state of Chihuahua.
-
E.
Madrid–Aranjuez railway
The Madrid–Aranjuez railway is one of Spain’s oldest railway lines, historically linking Madrid with the royal town of Aranjuez and playing a key role in the early development of the country’s rail network.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Havana–Matanzas railway line Target entity description: The Havana–Matanzas railway line is one of Cuba’s oldest and most important rail routes, linking the capital Havana with the provincial city of Matanzas and supporting both passenger and freight transport.
-
A.
Central Railway of Cuba
The Central Railway of Cuba is a major rail line that runs the length of the island, connecting key cities and regions across Cuba.
-
B.
Ferrocarril de la Sabana
Ferrocarril de la Sabana is a historic tourist railway service that operates on former national rail lines around Bogotá, Colombia, offering scenic trips through the surrounding savanna region.
-
C.
Ressano Garcia railway line
The Ressano Garcia railway line is a key rail corridor in Mozambique that connects the capital city Maputo with the South African border, facilitating regional trade and passenger transport.
-
D.
Ferromex railway line
The Ferromex railway line is a major Mexican rail network operated by Ferrocarril Mexicano that transports freight and passengers across key regions of the country, including the state of Chihuahua.
-
E.
Madrid–Aranjuez railway
The Madrid–Aranjuez railway is one of Spain’s oldest railway lines, historically linking Madrid with the royal town of Aranjuez and playing a key role in the early development of the country’s rail network.
- F. None of above. chosen
Provenance (2 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_69e0b520ee3c8190abddbee7e37e834c |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e8b1b08fdc81909b3ba01add5f6484 |
completed | April 22, 2026, 11:32 a.m. |
Created at: April 16, 2026, 5:32 p.m.