Triple
T1699307
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Buenos Aires Underground |
E36731
|
entity |
| Predicate | hasPremetro |
P17788
|
FINISHED |
| Object |
Premetro Line E2
Premetro Line E2 is a light rail feeder line in Buenos Aires that connects outlying neighborhoods to the city’s Underground network.
|
E191066
|
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: Premetro Line E2 | Statement: [Buenos Aires Underground, hasPremetro, Premetro Line E2]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Premetro Line E2 Context triple: [Buenos Aires Underground, hasPremetro, Premetro Line E2]
-
A.
Metro Line 3
Metro Line 3 is a major Mexico City Metro route that runs north–south across the city, connecting key residential and commercial areas including the Gustavo A. Madero borough.
-
B.
Metro Line 6
Metro Line 6 is a line of the Mexico City Metro system that serves the northern part of the city, including the Gustavo A. Madero borough.
-
C.
LRT Line 2
LRT Line 2 is an elevated rapid transit line in Metro Manila, Philippines, running east–west and serving major areas including Quezon City, Manila, and Pasig.
-
D.
Metro Line 54
Metro Line 54 is a rapid transit line in the Amsterdam Metro system that connects the city center with southeastern suburbs such as Bijlmermeer.
-
E.
Metro Line 53
Metro Line 53 is a rapid transit line in Amsterdam that connects the city center with the southeastern suburbs as part of the Amsterdam Metro system.
- 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: Premetro Line E2 Triple: [Buenos Aires Underground, hasPremetro, Premetro Line E2]
Generated description
Premetro Line E2 is a light rail feeder line in Buenos Aires that connects outlying neighborhoods to the city’s Underground network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Premetro Line E2 Target entity description: Premetro Line E2 is a light rail feeder line in Buenos Aires that connects outlying neighborhoods to the city’s Underground network.
-
A.
Metro Line 3
Metro Line 3 is a major Mexico City Metro route that runs north–south across the city, connecting key residential and commercial areas including the Gustavo A. Madero borough.
-
B.
Metro Line 6
Metro Line 6 is a line of the Mexico City Metro system that serves the northern part of the city, including the Gustavo A. Madero borough.
-
C.
LRT Line 2
LRT Line 2 is an elevated rapid transit line in Metro Manila, Philippines, running east–west and serving major areas including Quezon City, Manila, and Pasig.
-
D.
Metro Line 54
Metro Line 54 is a rapid transit line in the Amsterdam Metro system that connects the city center with southeastern suburbs such as Bijlmermeer.
-
E.
Metro Line 53
Metro Line 53 is a rapid transit line in Amsterdam that connects the city center with the southeastern suburbs as part of the Amsterdam Metro system.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasPremetro Context triple: [Buenos Aires Underground, hasPremetro, Premetro Line E2]
-
A.
hasMetroLine
Indicates that a location or area is served by, or connected to, a specific metro (subway) line.
-
B.
hasMetropolitan
Indicates that an entity is associated with, served by, or located within a specific metropolitan area.
-
C.
hasTramway
chosen
Indicates that a location or area is served by, contains, or is connected to a tramway system.
-
D.
hasMetroOrTransitProject
Indicates that there exists a metro or public transit project associated with, planned for, or implemented by the referenced entity.
-
E.
hasMetropolitanSee
Indicates that one ecclesiastical jurisdiction serves as the metropolitan (primary or overseeing) see in relation to another church territory.
- 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_69a886163dec8190859c514232a37a05 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69aaf169da888190b3aa334752f1952b |
completed | March 6, 2026, 3:23 p.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. |
| PD | Predicate disambiguation | batch_69aa61b8ce348190b46154af0b041ff0 |
completed | March 6, 2026, 5:10 a.m. |
Created at: March 4, 2026, 7:30 p.m.