Triple
T1915116
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Powell Street terminal |
E39998
|
entity |
| Predicate | alsoKnownAs |
P39
|
FINISHED |
| Object | Powell Street cable car turnaround |
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 cable car turnaround | Statement: [Powell Street terminal, alsoKnownAs, Powell Street cable car turnaround]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Powell Street cable car turnaround Context triple: [Powell Street terminal, alsoKnownAs, Powell Street cable car turnaround]
-
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.
Seattle Streetcar
The Seattle Streetcar is a modern electric streetcar system providing urban transit service along key corridors in Seattle, Washington.
-
C.
San Francisco cable car system
The San Francisco cable car system is a historic manually operated streetcar network and iconic symbol of the city, known for its steep routes and status as the world’s last permanently operational cable car system.
-
D.
Pioneer Courthouse Square station
Pioneer Courthouse Square station is a central downtown Portland MAX Light Rail stop serving multiple lines adjacent to the city’s main public square.
-
E.
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.
- 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_69a8864298748190a2f2fd34f7ef8d77 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb1e517e8819086e4bf5a305aeb25 |
completed | March 7, 2026, 5:04 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adf3da81308190a49844a8ac2997da |
completed | March 8, 2026, 10:10 p.m. |
Created at: March 4, 2026, 7:35 p.m.