Triple
T403670
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Juan–Caguas–Guaynabo metropolitan area |
E9337
|
entity |
| Predicate | hasPublicTransitSystem |
P105
|
FINISHED |
| Object |
Tren Urbano
Tren Urbano is a rapid transit rail system serving the San Juan metropolitan area in Puerto Rico, providing urban mass transportation across key municipalities.
|
E51431
|
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: Tren Urbano | Statement: [San Juan–Caguas–Guaynabo metropolitan area, hasPublicTransitSystem, Tren Urbano]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tren Urbano Context triple: [San Juan–Caguas–Guaynabo metropolitan area, hasPublicTransitSystem, Tren Urbano]
-
A.
Buenos Aires Underground
Buenos Aires Underground is the rapid transit system serving Argentina’s capital, known as the oldest subway network in Latin America and a key component of the city’s public transportation.
-
B.
El Tráfico
El Tráfico is the intense Los Angeles derby between LA Galaxy and Los Angeles FC in Major League Soccer, known for its high-scoring matches and passionate fan atmosphere.
-
C.
Tren Ligero
Tren Ligero is a light rail transit system in Mexico City that complements the metro and bus networks by serving southern areas of the city.
-
D.
Muni
Muni is San Francisco’s primary public transit agency, operating buses, light rail, historic streetcars, and the city’s iconic cable cars.
-
E.
Azules de la Capital
Azules de la Capital is a sports team nickname commonly used in Latin America to refer to a capital city club known for its blue team colors.
- 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: Tren Urbano Triple: [San Juan–Caguas–Guaynabo metropolitan area, hasPublicTransitSystem, Tren Urbano]
Generated description
Tren Urbano is a rapid transit rail system serving the San Juan metropolitan area in Puerto Rico, providing urban mass transportation across key municipalities.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tren Urbano Target entity description: Tren Urbano is a rapid transit rail system serving the San Juan metropolitan area in Puerto Rico, providing urban mass transportation across key municipalities.
-
A.
Buenos Aires Underground
Buenos Aires Underground is the rapid transit system serving Argentina’s capital, known as the oldest subway network in Latin America and a key component of the city’s public transportation.
-
B.
El Tráfico
El Tráfico is the intense Los Angeles derby between LA Galaxy and Los Angeles FC in Major League Soccer, known for its high-scoring matches and passionate fan atmosphere.
-
C.
Tren Ligero
Tren Ligero is a light rail transit system in Mexico City that complements the metro and bus networks by serving southern areas of the city.
-
D.
Muni
Muni is San Francisco’s primary public transit agency, operating buses, light rail, historic streetcars, and the city’s iconic cable cars.
-
E.
Azules de la Capital
Azules de la Capital is a sports team nickname commonly used in Latin America to refer to a capital city club known for its blue team colors.
- 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_69a2e8004cb88190b92ed1add6abf41a |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2eca226fc81909d6ccc38a637daa6 |
completed | Feb. 28, 2026, 1:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a413f43f1481908b095300fd6630c9 |
completed | March 1, 2026, 10:24 a.m. |
| NEDg | Description generation | batch_69a414c6635c819090c5c1aedc353d65 |
completed | March 1, 2026, 10:28 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a415ba975881908034177cf892ca3e |
completed | March 1, 2026, 10:32 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.