Triple
T1699329
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Buenos Aires Underground |
E36731
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object |
San Martín Line
The San Martín Line is a commuter rail service in the Buenos Aires metropolitan area that links the city center with western suburbs.
|
E191072
|
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: San Martín Line | Statement: [Buenos Aires Underground, connectsWith, San Martín Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Martín Line Context triple: [Buenos Aires Underground, connectsWith, San Martín Line]
-
A.
Franklin Line
The Franklin Line is a Massachusetts Bay Transportation Authority (MBTA) commuter rail line serving communities southwest of Boston.
-
B.
Riviera Line
The Riviera Line is a scenic railway route in Devon, England, running along the coast and serving popular seaside towns between Exeter and Paignton.
-
C.
Ashton Line
The Ashton Line is a light-rail route on Greater Manchester’s Metrolink network that runs between Manchester city centre and Ashton-under-Lyne.
-
D.
E Line
The E Line is a light rail route in the Los Angeles Metro Rail system that connects downtown Los Angeles with communities to the west, including Santa Monica.
-
E.
Bernhardt Line
The Bernhardt Line was a major German defensive fortification system in southern Italy during World War II, forming part of the Winter Line that sought to slow the Allied advance up the Italian peninsula.
- 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: San Martín Line Triple: [Buenos Aires Underground, connectsWith, San Martín Line]
Generated description
The San Martín Line is a commuter rail service in the Buenos Aires metropolitan area that links the city center with western suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San Martín Line Target entity description: The San Martín Line is a commuter rail service in the Buenos Aires metropolitan area that links the city center with western suburbs.
-
A.
Franklin Line
The Franklin Line is a Massachusetts Bay Transportation Authority (MBTA) commuter rail line serving communities southwest of Boston.
-
B.
Riviera Line
The Riviera Line is a scenic railway route in Devon, England, running along the coast and serving popular seaside towns between Exeter and Paignton.
-
C.
Ashton Line
The Ashton Line is a light-rail route on Greater Manchester’s Metrolink network that runs between Manchester city centre and Ashton-under-Lyne.
-
D.
E Line
The E Line is a light rail route in the Los Angeles Metro Rail system that connects downtown Los Angeles with communities to the west, including Santa Monica.
-
E.
Bernhardt Line
The Bernhardt Line was a major German defensive fortification system in southern Italy during World War II, forming part of the Winter Line that sought to slow the Allied advance up the Italian peninsula.
- 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_69a886163dec8190859c514232a37a05 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69aa62d3c57c81908887844e885062e3 |
completed | March 6, 2026, 5:14 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad799d59a48190b1efb101c2a67e4f |
completed | March 8, 2026, 1:29 p.m. |
| NEDg | Description generation | batch_69ad7a1223fc8190b7d62217c17f7517 |
completed | March 8, 2026, 1:30 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad7b0787c88190a59a815fa808ac6b |
completed | March 8, 2026, 1:35 p.m. |
Created at: March 4, 2026, 7:30 p.m.