Triple
T2287738
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tren Urbano |
E51431
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Río Piedras station
Río Piedras station is a rapid transit stop on San Juan’s Tren Urbano system serving the Río Piedras district and nearby University of Puerto Rico campus.
|
E261015
|
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: Río Piedras station | Statement: [Tren Urbano, hasStation, Río Piedras station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Río Piedras station Context triple: [Tren Urbano, hasStation, Río Piedras station]
-
A.
Hato Rey station
Hato Rey station is a rapid transit stop on San Juan, Puerto Rico’s Tren Urbano system serving the Hato Rey financial and commercial district.
-
B.
Bayamón station
Bayamón station is a major rapid transit station in Bayamón, Puerto Rico, serving as the western endpoint of the San Juan metropolitan area's Tren Urbano system.
-
C.
Port Washington station
Port Washington station is a Long Island Rail Road commuter rail station in Port Washington, New York, serving as the eastern endpoint of the Port Washington Branch.
-
D.
Port of Mayagüez
The Port of Mayagüez is a major seaport on Puerto Rico’s western coast that handles regional cargo and passenger ferry services, particularly to the Dominican Republic.
-
E.
Bayside station
Bayside station is a Long Island Rail Road commuter rail stop in the Bayside neighborhood of Queens, New York City.
- 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: Río Piedras station Triple: [Tren Urbano, hasStation, Río Piedras station]
Generated description
Río Piedras station is a rapid transit stop on San Juan’s Tren Urbano system serving the Río Piedras district and nearby University of Puerto Rico campus.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Río Piedras station Target entity description: Río Piedras station is a rapid transit stop on San Juan’s Tren Urbano system serving the Río Piedras district and nearby University of Puerto Rico campus.
-
A.
Hato Rey station
Hato Rey station is a rapid transit stop on San Juan, Puerto Rico’s Tren Urbano system serving the Hato Rey financial and commercial district.
-
B.
Bayamón station
Bayamón station is a major rapid transit station in Bayamón, Puerto Rico, serving as the western endpoint of the San Juan metropolitan area's Tren Urbano system.
-
C.
Port Washington station
Port Washington station is a Long Island Rail Road commuter rail station in Port Washington, New York, serving as the eastern endpoint of the Port Washington Branch.
-
D.
Port of Mayagüez
The Port of Mayagüez is a major seaport on Puerto Rico’s western coast that handles regional cargo and passenger ferry services, particularly to the Dominican Republic.
-
E.
Bayside station
Bayside station is a Long Island Rail Road commuter rail stop in the Bayside neighborhood of Queens, New York City.
- 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_69a88b09c644819090b503456d96bf70 |
completed | March 4, 2026, 7:42 p.m. |
| NER | Named-entity recognition | batch_69abc24868048190940512fd6449d99e |
completed | March 7, 2026, 6:14 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aea86ab4cc8190ba2203c09f72aaa6 |
completed | March 9, 2026, 11 a.m. |
| NEDg | Description generation | batch_69aeaa6cb58081909a0897d4cb328063 |
completed | March 9, 2026, 11:09 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69aeabb6d43481908899080f6ca58101 |
completed | March 9, 2026, 11:15 a.m. |
Created at: March 4, 2026, 7:48 p.m.