Triple
T16103164
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ferrocarril Central Andino |
E390672
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object |
Peruvian railway network
The Peruvian railway network is a system of rail lines that connects key regions of Peru, including some of the world’s highest-altitude routes through the Andes, and supports both passenger travel and freight transport.
|
E1194276
|
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: Peruvian railway network | Statement: [Ferrocarril Central Andino, partOf, Peruvian railway network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Peruvian railway network Context triple: [Ferrocarril Central Andino, partOf, Peruvian railway network]
-
A.
Peruvian state railways
Peruvian state railways is the national government-owned railway system of Peru responsible for operating and managing key passenger and freight rail services across the country.
-
B.
Southern Peru Railway
The Southern Peru Railway is a major rail line in southern Peru that connects key Andean regions and facilitates both passenger travel and freight transport, including mining exports.
-
C.
Ollantaytambo–Machu Picchu railway line
The Ollantaytambo–Machu Picchu railway line is a scenic rail route in Peru that transports passengers through the Sacred Valley to the gateway of the Inca citadel of Machu Picchu.
-
D.
Ecuadorian Railway
The Ecuadorian Railway is a historic rail network in Ecuador famed for its dramatic Andean routes, including the steep “Devil’s Nose” section that connects highland towns like Alausí.
-
E.
Huancavelica–Huancayo railway
The Huancavelica–Huancayo railway is a Peruvian Andean rail line known for connecting remote highland communities through challenging mountainous terrain.
- 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: Peruvian railway network Triple: [Ferrocarril Central Andino, partOf, Peruvian railway network]
Generated description
The Peruvian railway network is a system of rail lines that connects key regions of Peru, including some of the world’s highest-altitude routes through the Andes, and supports both passenger travel and freight transport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Peruvian railway network Target entity description: The Peruvian railway network is a system of rail lines that connects key regions of Peru, including some of the world’s highest-altitude routes through the Andes, and supports both passenger travel and freight transport.
-
A.
Peruvian state railways
Peruvian state railways is the national government-owned railway system of Peru responsible for operating and managing key passenger and freight rail services across the country.
-
B.
Southern Peru Railway
The Southern Peru Railway is a major rail line in southern Peru that connects key Andean regions and facilitates both passenger travel and freight transport, including mining exports.
-
C.
Ollantaytambo–Machu Picchu railway line
The Ollantaytambo–Machu Picchu railway line is a scenic rail route in Peru that transports passengers through the Sacred Valley to the gateway of the Inca citadel of Machu Picchu.
-
D.
Ecuadorian Railway
The Ecuadorian Railway is a historic rail network in Ecuador famed for its dramatic Andean routes, including the steep “Devil’s Nose” section that connects highland towns like Alausí.
-
E.
Huancavelica–Huancayo railway
The Huancavelica–Huancayo railway is a Peruvian Andean rail line known for connecting remote highland communities through challenging mountainous terrain.
- 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_69d87f1a8dd881909f1de6ef78849874 |
completed | April 10, 2026, 4:39 a.m. |
| NER | Named-entity recognition | batch_69e1ff6976ec8190b499e99b196b0285 |
completed | April 17, 2026, 9:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffeba007c08190bf4d3cf092abc7dd |
completed | May 10, 2026, 2:21 a.m. |
| NEDg | Description generation | batch_69ffecb8c71481908b4913bb078b6415 |
completed | May 10, 2026, 2:26 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffed469a5c8190932fa4ebc44358c4 |
completed | May 10, 2026, 2:28 a.m. |
Created at: April 10, 2026, 5 a.m.