Triple
T500991
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Francisco Cable Car Museum |
E10398
|
entity |
| Predicate | near |
P350
|
FINISHED |
| Object | Powell-Mason cable car line |
E43385
|
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-Mason cable car line | Statement: [San Francisco Cable Car Museum, near, Powell-Mason cable car line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Powell-Mason cable car line Context triple: [San Francisco Cable Car Museum, near, Powell-Mason cable car line]
-
A.
Powell–Hyde cable car line
chosen
The Powell–Hyde cable car line is one of San Francisco’s historic cable car routes, running from Market Street over Nob Hill and Russian Hill to the city’s northern waterfront near Fisherman’s Wharf.
-
B.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
C.
Aerial Tram
The Aerial Tram is a cable-driven urban transit system in Portland, Oregon, that carries passengers between the South Waterfront district and Oregon Health & Science University on Marquam Hill.
-
D.
Washington Park and Zoo Railway
The Washington Park and Zoo Railway is a historic narrow-gauge miniature railway in Portland, Oregon, that offers scenic rides connecting the Oregon Zoo with other attractions in Washington Park.
-
E.
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.
- 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_69a2e847df8481909239ec08ccf1e376 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f131e2148190afd43402f505c73e |
completed | Feb. 28, 2026, 1:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4a14aab308190b12deb3509e9715e |
completed | March 1, 2026, 8:27 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.