Triple
T2710290
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | N Judah |
E59842
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Caltrain Depot (4th & King) |
E22369
|
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: Caltrain Depot (4th & King) | Statement: [N Judah, terminus, Caltrain Depot (4th & King)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Caltrain Depot (4th & King) Context triple: [N Judah, terminus, Caltrain Depot (4th & King)]
-
A.
Broadway Caltrain station
Broadway Caltrain station is a commuter rail stop in Burlingame, California, serving passengers on Caltrain’s Peninsula Corridor between San Francisco and San Jose.
-
B.
San Francisco 4th and King Street station
chosen
San Francisco 4th and King Street station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services between the city and the Peninsula/Silicon Valley.
-
C.
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.
-
D.
Downtown Berkeley station
Downtown Berkeley station is a major underground Bay Area Rapid Transit (BART) stop serving the commercial core and university area of Berkeley, California.
-
E.
BART Embarcadero Station
BART Embarcadero Station is a major underground transit hub in downtown San Francisco serving Bay Area Rapid Transit trains and connecting with Muni Metro light rail lines.
- 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_69ab4ac92a088190bc74bca14038e3de |
completed | March 6, 2026, 9:44 p.m. |
| NER | Named-entity recognition | batch_69abda7771a4819081904bd6b818b81b |
completed | March 7, 2026, 7:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afaf820e6c8190bc37219eadd57e86 |
completed | March 10, 2026, 5:43 a.m. |
Created at: March 6, 2026, 9:55 p.m.