Triple
T12337893
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Universidad station |
E294138
|
entity |
| Predicate | hasAdjacentStation |
P231
|
FINISHED |
| Object | Río Piedras station |
E261015
|
NE FINISHED |
How this triple was built (2 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: [Universidad station, hasAdjacentStation, Río Piedras station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Río Piedras station Context triple: [Universidad station, hasAdjacentStation, Río Piedras station]
-
A.
Río Piedras station
chosen
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.
-
B.
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.
-
C.
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.
-
D.
Santo Domingo station
Santo Domingo station is a terminal stop on the Medellín Metro system in Medellín, Colombia, serving as a key access point for the surrounding hillside neighborhoods.
-
E.
Puerto station
Puerto station is the central waterfront terminus of the Valparaíso Metro in Valparaíso, Chile, serving as a key access point to the historic port city center.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6ab6ae0dc8190b1522a9c1c55c114 |
completed | April 8, 2026, 7:24 p.m. |
| NER | Named-entity recognition | batch_69d93f678698819091462b44ff3435f6 |
completed | April 10, 2026, 6:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f62aa5f21c8190bcb32a078a2f7ebb |
completed | May 2, 2026, 4:47 p.m. |
Created at: April 8, 2026, 9:53 p.m.