Triple
T16822090
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Castro Street (San Francisco) |
E408917
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Castro Muni Metro Station |
E193018
|
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: Castro Muni Metro Station | Statement: [Castro Street (San Francisco), servedBy, Castro Muni Metro Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Castro Muni Metro Station Context triple: [Castro Street (San Francisco), servedBy, Castro Muni Metro Station]
-
A.
Castro Muni Metro Station
chosen
Castro Muni Metro Station is an underground light-rail station on San Francisco’s Muni Metro system that serves as a key transit hub for the historic and LGBTQ+ landmark Castro District.
-
B.
Castro Street station
Castro Street station is an underground Muni Metro light rail stop in San Francisco’s Castro District, serving as a key transit point along Market Street.
-
C.
Saenz Peña station
Saenz Peña station is a stop on Line A of the Buenos Aires Underground, serving passengers in the central area of Argentina’s capital city.
-
D.
Potrero Metro Station
Potrero Metro Station is a Mexico City Metro station serving commuters in the northern part of the city within the Gustavo A. Madero borough.
-
E.
San Joaquín metro station
San Joaquín metro station is a Mexico City Metro station on Line 7 serving the Polanco/Irrigación area, known for its proximity to major commercial and cultural venues.
- 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_69d88394566c8190b3dcbdc72935f7fa |
completed | April 10, 2026, 4:59 a.m. |
| NER | Named-entity recognition | batch_69e3b2e77ab88190be1ec8179251864e |
completed | April 18, 2026, 4:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00b29a3854819099eed580eea5d84d |
completed | May 10, 2026, 4:30 p.m. |
Created at: April 10, 2026, 5:23 a.m.