Triple
T3899824
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dublin/Pleasanton–Daly City line |
E90457
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Montgomery Street station |
E45508
|
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: Montgomery Street station | Statement: [Dublin/Pleasanton–Daly City line, hasStation, Montgomery Street station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Montgomery Street station Context triple: [Dublin/Pleasanton–Daly City line, hasStation, Montgomery Street station]
-
A.
Montgomery Street station
chosen
Montgomery Street station is a major Bay Area Rapid Transit (BART) and Muni Metro subway station serving downtown San Francisco’s Financial District.
-
B.
San Francisco 3rd and Townsend Street station
San Francisco 3rd and Townsend Street station was a former Caltrain commuter rail terminal in San Francisco that served as the line’s city terminus before operations moved to the nearby 4th and King Street station.
-
C.
Yerba Buena/Moscone station
Yerba Buena/Moscone station is an underground San Francisco Muni Metro stop serving the SoMa area and the nearby Moscone Center convention complex.
-
D.
19th Street Oakland station
19th Street Oakland station is a major Bay Area Rapid Transit (BART) underground station serving central Oakland, California.
-
E.
Union Square/Market Street station
Union Square/Market Street station is an underground San Francisco Muni Metro station serving the Central Subway near the Union Square and Market Street area.
- 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_69aed95d315881908cbf1bf4a7215fbf |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aeecf17ef4819083db0a22e24d5b89 |
completed | March 9, 2026, 3:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5337f3ae08190ba68fc20a3ba4692 |
completed | March 14, 2026, 10:07 a.m. |
Created at: March 9, 2026, 3:21 p.m.