Triple
T4322244
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bakewell & Brown |
E96544
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object |
San Francisco Municipal Railway substations
The San Francisco Municipal Railway substations are historic electrical power facilities in San Francisco designed in the early 20th century, notable for their Beaux-Arts–influenced architecture and role in supporting the city’s streetcar and trolley systems.
|
E432288
|
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: San Francisco Municipal Railway substations | Statement: [Bakewell & Brown, notableWork, San Francisco Municipal Railway substations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Francisco Municipal Railway substations Context triple: [Bakewell & Brown, notableWork, San Francisco Municipal Railway substations]
-
A.
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.
-
B.
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.
-
C.
Milpitas station
Milpitas station is a Bay Area Rapid Transit (BART) station in Milpitas, California, serving as a key transit hub in Silicon Valley with connections to regional rail and bus services.
-
D.
San Mateo station
San Mateo station is a Caltrain commuter rail stop in San Mateo, California, serving as a key transit point for Peninsula rail passengers between San Francisco and San Jose.
-
E.
Alum Rock station
Alum Rock station is a public transit stop in San Jose, California, serving as a terminus on the Santa Clara Valley Transportation Authority (VTA) light rail system.
- 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: San Francisco Municipal Railway substations Triple: [Bakewell & Brown, notableWork, San Francisco Municipal Railway substations]
Generated description
The San Francisco Municipal Railway substations are historic electrical power facilities in San Francisco designed in the early 20th century, notable for their Beaux-Arts–influenced architecture and role in supporting the city’s streetcar and trolley systems.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San Francisco Municipal Railway substations Target entity description: The San Francisco Municipal Railway substations are historic electrical power facilities in San Francisco designed in the early 20th century, notable for their Beaux-Arts–influenced architecture and role in supporting the city’s streetcar and trolley systems.
-
A.
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.
-
B.
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.
-
C.
Milpitas station
Milpitas station is a Bay Area Rapid Transit (BART) station in Milpitas, California, serving as a key transit hub in Silicon Valley with connections to regional rail and bus services.
-
D.
San Mateo station
San Mateo station is a Caltrain commuter rail stop in San Mateo, California, serving as a key transit point for Peninsula rail passengers between San Francisco and San Jose.
-
E.
Alum Rock station
Alum Rock station is a public transit stop in San Jose, California, serving as a terminus on the Santa Clara Valley Transportation Authority (VTA) light rail system.
- 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_69b345422aac81909ddbadae437d122e |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b351177eb88190b89fa49a88add5e8 |
completed | March 12, 2026, 11:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5d09165a8819089fbb9b9ed4c82ff |
completed | March 14, 2026, 9:18 p.m. |
| NEDg | Description generation | batch_69b5d4607a688190a3a7352579ea5ee7 |
completed | March 14, 2026, 9:34 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5d51068dc819099ac28361188dcc4 |
completed | March 14, 2026, 9:37 p.m. |
Created at: March 12, 2026, 11:12 p.m.