Triple
T343003
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Russian Hill |
E6876
|
entity |
| Predicate | transportServedBy |
P1298
|
FINISHED |
| Object |
Powell–Hyde cable car line
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.
|
E43385
|
NE FINISHED |
How this triple was built (4 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–Hyde cable car line | Statement: [Russian Hill, transportServedBy, Powell–Hyde cable car line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Powell–Hyde cable car line Context triple: [Russian Hill, transportServedBy, Powell–Hyde cable car line]
-
A.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
B.
Atherton line
The Atherton line is a suburban railway route in Greater Manchester, England, connecting Manchester with towns such as Swinton, Walkden, and Atherton.
-
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.
Mattapan Trolley
The Mattapan Trolley is a historic light rail line in Boston that operates vintage PCC streetcars between Ashmont and Mattapan stations.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Powell–Hyde cable car line Triple: [Russian Hill, transportServedBy, Powell–Hyde cable car line]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Powell–Hyde cable car line Target entity description: 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.
-
A.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
B.
Atherton line
The Atherton line is a suburban railway route in Greater Manchester, England, connecting Manchester with towns such as Swinton, Walkden, and Atherton.
-
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.
Mattapan Trolley
The Mattapan Trolley is a historic light rail line in Boston that operates vintage PCC streetcars between Ashmont and Mattapan stations.
- F. None of above. chosen
Provenance (5 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_69a2eafef8c88190a5932eb2c6ac4a5d |
completed | Feb. 28, 2026, 1:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3d4ea324c8190acd07727ca0ac193 |
completed | March 1, 2026, 5:55 a.m. |
| NEDg | Description generation | batch_69a3d593afbc8190b7148201f890ac77 |
completed | March 1, 2026, 5:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3d659a1308190bad45dc2af33b3f3 |
completed | March 1, 2026, 6:02 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.