Triple
T9568898
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hayward Park station |
E230862
|
entity |
| Predicate | line |
P1293
|
FINISHED |
| Object | Peninsula Subdivision |
E44887
|
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: Peninsula Subdivision | Statement: [Hayward Park station, line, Peninsula Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Peninsula Subdivision Context triple: [Hayward Park station, line, Peninsula Subdivision]
-
A.
Peninsula Subdivision
chosen
Peninsula Subdivision is a rail line in California’s San Francisco Peninsula region that carries commuter and other train services through cities such as Atherton.
-
B.
Hi-Line Subdivision
The Hi-Line Subdivision is a major BNSF Railway main line in northern Montana that carries transcontinental freight and passenger trains across the Rocky Mountains.
-
C.
Reservoir Hills
Reservoir Hills is a residential suburb in Durban, South Africa, historically known for its large Indian community and cultural presence.
-
D.
Valley View
Valley View is a small village in Cuyahoga County, Ohio, known for its location in the Cuyahoga River valley and proximity to the Cuyahoga Valley National Park.
-
E.
Granite Terrace
Granite Terrace is an ornate stone promenade and architectural feature within the historic Tsarskoye Selo palace complex near St. Petersburg, Russia.
- 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_69ca847f22188190a56e4a97625bef22 |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd9987cb0c8190af32a1193de54890 |
completed | April 1, 2026, 10:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d152b5b40c81909a84e34a944abfd0 |
completed | April 4, 2026, 6:04 p.m. |
Created at: March 30, 2026, 8:04 p.m.