Triple
T343096
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Powell–Mason line |
E6879
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Powell Street terminal |
E39998
|
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: Powell Street terminal | Statement: [Powell–Mason line, terminus, Powell Street terminal]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Powell Street terminal Context triple: [Powell–Mason line, terminus, Powell Street terminal]
-
A.
Powell Street terminal
chosen
Powell Street terminal is a major San Francisco cable car turnaround and boarding point located near Union Square, serving as a key hub for tourists and commuters.
-
B.
Portland Union Station
Portland Union Station is a historic railway terminal in Portland, Oregon, serving as a major Amtrak hub for intercity passenger trains in the Pacific Northwest.
-
C.
Beaverton Transit Center
Beaverton Transit Center is a major public transportation hub in Beaverton, Oregon, serving as an interchange point for light rail and multiple bus lines in the Portland metropolitan area.
-
D.
St. George Terminal
St. George Terminal is the main Staten Island Ferry hub in St. George, Staten Island, connecting the borough to Lower Manhattan and serving as a key transit and commercial center.
-
E.
San Francisco 4th and King Street station
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.
- 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_69a2e7951ba08190960e90823b5078f3 |
completed | Feb. 28, 2026, 1:03 p.m. |
| NER | Named-entity recognition | batch_69a2eb0019088190a9b969c4287dc4fa |
completed | Feb. 28, 2026, 1:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3d7ea0484819095ff3c22073cd300 |
completed | March 1, 2026, 6:08 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.