Triple
T13208935
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union City BART station |
E314435
|
entity |
| Predicate | adjacentStationOnLine |
P41425
|
FINISHED |
| Object | South Hayward station |
E393033
|
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: South Hayward station | Statement: [Union City BART station, adjacentStationOnLine, South Hayward station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Hayward station Context triple: [Union City BART station, adjacentStationOnLine, South Hayward station]
-
A.
South Hayward station
chosen
South Hayward station is a Bay Area Rapid Transit (BART) station in Hayward, California, serving as a stop on the system’s East Bay lines.
-
B.
Hinsdale station
Hinsdale station is a historic commuter rail stop in Hinsdale, Illinois, serving passengers on Metra’s BNSF Railway Line between Chicago and its western suburbs.
-
C.
Meadowbrook station
Meadowbrook station is a light rail stop on Utah's TRAX system serving the Salt Lake Valley with commuter transit connections.
-
D.
Meadow Woods station
Meadow Woods station is a commuter rail stop in the Orlando, Florida area served by the SunRail regional rail system.
-
E.
Wheaton station
Wheaton station is a Washington Metro rapid transit station in Wheaton, Maryland, known for having one of the system’s deepest escalators.
- 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_69d806aee7308190b70a237ba2a6e3e1 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98c9cb7ac819095cff8699993c419 |
completed | April 10, 2026, 11:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6f611b11c8190b9f89313eb2b5fab |
completed | May 3, 2026, 7:15 a.m. |
Created at: April 9, 2026, 9:17 p.m.