Triple
T3824754
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Desamparados railway station |
E88658
|
entity |
| Predicate | servedAsTerminusFor |
P388
|
FINISHED |
| Object |
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.
|
E390672
|
NE FINISHED |
How this triple was built (5 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 Central Andino | Statement: [Desamparados railway station, servedAsTerminusFor, Ferrocarril Central Andino]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ferrocarril Central Andino Context triple: [Desamparados railway station, servedAsTerminusFor, Ferrocarril Central Andino]
-
A.
Huancavelica–Huancayo railway
The Huancavelica–Huancayo railway is a Peruvian Andean rail line known for connecting remote highland communities through challenging mountainous terrain.
-
B.
Chepe railway
The Chepe railway is a scenic passenger train route in northern Mexico that traverses the dramatic landscapes and deep gorges of the Copper Canyon.
-
C.
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.
-
D.
Arica–La Paz Railway
The Arica–La Paz Railway is a historic trans-Andean rail line connecting the Chilean port city of Arica with Bolivia’s capital, La Paz, primarily built to facilitate Bolivian access to the Pacific Ocean.
-
E.
Sarmiento Line
The Sarmiento Line is a major commuter rail service in the Buenos Aires metropolitan area that links the city center with western suburbs.
- 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 Central Andino Triple: [Desamparados railway station, servedAsTerminusFor, Ferrocarril Central Andino]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ferrocarril Central Andino Target entity description: 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.
-
A.
Huancavelica–Huancayo railway
The Huancavelica–Huancayo railway is a Peruvian Andean rail line known for connecting remote highland communities through challenging mountainous terrain.
-
B.
Chepe railway
The Chepe railway is a scenic passenger train route in northern Mexico that traverses the dramatic landscapes and deep gorges of the Copper Canyon.
-
C.
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.
-
D.
Arica–La Paz Railway
The Arica–La Paz Railway is a historic trans-Andean rail line connecting the Chilean port city of Arica with Bolivia’s capital, La Paz, primarily built to facilitate Bolivian access to the Pacific Ocean.
-
E.
Sarmiento Line
The Sarmiento Line is a major commuter rail service in the Buenos Aires metropolitan area that links the city center with western suburbs.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: servedAsTerminusFor Context triple: [Desamparados railway station, servedAsTerminusFor, Ferrocarril Central Andino]
-
A.
locatedAtTerminusOf
Indicates that one entity is situated at the end point or final terminus of another entity, such as a route, line, or path.
-
B.
formerTerminusFor
Indicates that a location once served as the endpoint or final stop of a route, line, or service, but no longer holds that status.
-
C.
servesAsThroughStationFor
Indicates that a station functions as an intermediate (through) stop for a particular service, route, or journey rather than as its starting or ending point.
-
D.
railroadTerminusFor
Indicates that one location serves as the end point or final station of a particular railroad line for another location.
-
E.
terminus
chosen
Indicates that one entity serves as the final endpoint or stopping place for another entity’s movement, route, or process.
- F. None of above.
Provenance (6 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_69aed9538cf881909d9ce8ca4ac7c18c |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aef188b474819087680db42b04ecdd |
completed | March 9, 2026, 4:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4fb4f41c88190b3040236462c37cc |
completed | March 14, 2026, 6:08 a.m. |
| NEDg | Description generation | batch_69b4fc9fc5dc81908772fc642285abf6 |
completed | March 14, 2026, 6:13 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b4fd0dc3d48190b907d7a1c1e44066 |
completed | March 14, 2026, 6:15 a.m. |
| PD | Predicate disambiguation | batch_69aee74a2bc081909b237df8b1e27653 |
completed | March 9, 2026, 3:29 p.m. |
Created at: March 9, 2026, 3:17 p.m.