Triple
T13415987
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Antofagasta–Bolivia Railway |
E313215
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object |
Ferrocarril de Antofagasta a Bolivia S.A.
Ferrocarril de Antofagasta a Bolivia S.A. is a Chilean railway company that operates freight and transport services along the historic rail corridor linking the port city of Antofagasta with Bolivia.
|
E313215
|
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: Ferrocarril de Antofagasta a Bolivia S.A. | Statement: [Antofagasta–Bolivia Railway, owner, Ferrocarril de Antofagasta a Bolivia S.A.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ferrocarril de Antofagasta a Bolivia S.A. Context triple: [Antofagasta–Bolivia Railway, owner, Ferrocarril de Antofagasta a Bolivia S.A.]
-
A.
Bolivian railway network
The Bolivian railway network is the national system of rail lines in Bolivia that connects key cities, mining regions, and border crossings, historically crucial for transporting minerals and linking the country to neighboring nations.
-
B.
Antofagasta–Bolivia Railway
The Antofagasta–Bolivia Railway is a historic trans-Andean rail line linking Chile’s Pacific coast with Bolivia’s interior, primarily built to transport minerals from the Andean region to port.
-
C.
Ferrocarriles del Sur S.A.
Ferrocarriles del Sur S.A. is a Chilean railway company that operates regional passenger train services in the Biobío Region.
-
D.
former Valparaíso–Santiago railway
The former Valparaíso–Santiago railway was a historic Chilean rail line that once connected the coastal city of Valparaíso with the capital Santiago, serving as a key transportation corridor across central Chile.
-
E.
Ferrocarril Central Andino
Ferrocarril Central Andino is a major Peruvian railway line that crosses the Andes, historically known for being one of the highest standard-gauge railways in the world and a key link between Lima and the country’s central highlands.
- 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: Ferrocarril de Antofagasta a Bolivia S.A. Triple: [Antofagasta–Bolivia Railway, owner, Ferrocarril de Antofagasta a Bolivia S.A.]
Generated description
Ferrocarril de Antofagasta a Bolivia S.A. is a Chilean railway company that operates freight and transport services along the historic rail corridor linking the port city of Antofagasta with Bolivia.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ferrocarril de Antofagasta a Bolivia S.A. Target entity description: Ferrocarril de Antofagasta a Bolivia S.A. is a Chilean railway company that operates freight and transport services along the historic rail corridor linking the port city of Antofagasta with Bolivia.
-
A.
Bolivian railway network
The Bolivian railway network is the national system of rail lines in Bolivia that connects key cities, mining regions, and border crossings, historically crucial for transporting minerals and linking the country to neighboring nations.
-
B.
Antofagasta–Bolivia Railway
chosen
The Antofagasta–Bolivia Railway is a historic trans-Andean rail line linking Chile’s Pacific coast with Bolivia’s interior, primarily built to transport minerals from the Andean region to port.
-
C.
Ferrocarriles del Sur S.A.
Ferrocarriles del Sur S.A. is a Chilean railway company that operates regional passenger train services in the Biobío Region.
-
D.
former Valparaíso–Santiago railway
The former Valparaíso–Santiago railway was a historic Chilean rail line that once connected the coastal city of Valparaíso with the capital Santiago, serving as a key transportation corridor across central Chile.
-
E.
Ferrocarril Central Andino
Ferrocarril Central Andino is a major Peruvian railway line that crosses the Andes, historically known for being one of the highest standard-gauge railways in the world and a key link between Lima and the country’s central highlands.
- F. None of above.
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_69d806ad0c44819088833ae1ec9e9690 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69dbaeb6e904819098cc9153fd2feaf5 |
completed | April 12, 2026, 2:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7308095548190afb659b84f2775f2 |
completed | May 3, 2026, 11:24 a.m. |
| NEDg | Description generation | batch_69f73242a368819080ceda37583c0d7c |
completed | May 3, 2026, 11:32 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f732b3ba748190b2a430300e798ed8 |
completed | May 3, 2026, 11:34 a.m. |
Created at: April 9, 2026, 9:39 p.m.