Triple
T9202527
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tacna |
E220880
|
entity |
| Predicate | hasTransport |
P1298
|
FINISHED |
| Object |
Tacna–Arica railway
The Tacna–Arica railway is a historic international rail line connecting the Peruvian city of Tacna with the Chilean port of Arica across the Atacama Desert.
|
E785816
|
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: Tacna–Arica railway | Statement: [Tacna, hasTransport, Tacna–Arica railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tacna–Arica railway Context triple: [Tacna, hasTransport, Tacna–Arica railway]
-
A.
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.
-
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.
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.
-
D.
Huancavelica–Huancayo railway
The Huancavelica–Huancayo railway is a Peruvian Andean rail line known for connecting remote highland communities through challenging mountainous terrain.
-
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: Tacna–Arica railway Triple: [Tacna, hasTransport, Tacna–Arica railway]
Generated description
The Tacna–Arica railway is a historic international rail line connecting the Peruvian city of Tacna with the Chilean port of Arica across the Atacama Desert.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tacna–Arica railway Target entity description: The Tacna–Arica railway is a historic international rail line connecting the Peruvian city of Tacna with the Chilean port of Arica across the Atacama Desert.
-
A.
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.
-
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.
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.
-
D.
Huancavelica–Huancayo railway
The Huancavelica–Huancayo railway is a Peruvian Andean rail line known for connecting remote highland communities through challenging mountainous terrain.
-
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
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_69ca83e8e9248190862cf3e41693b310 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69ccd943cfb0819082231d80f0dc073b |
completed | April 1, 2026, 8:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d065dbcf908190a6e36cef879cd31b |
completed | April 4, 2026, 1:14 a.m. |
| NEDg | Description generation | batch_69d0676ea53c81908b16dfce6810f6b0 |
completed | April 4, 2026, 1:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d0684c1a108190bc7fdfdced16e24c |
completed | April 4, 2026, 1:24 a.m. |
Created at: March 30, 2026, 7:26 p.m.