Triple
T1741324
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Embarcadero |
E38238
|
entity |
| Predicate | publicTransitServedBy |
P20704
|
FINISHED |
| Object |
Embarcadero Station (BART/Muni Metro nearby terminus area)
Embarcadero Station (BART/Muni Metro nearby terminus area) is a major underground transit hub in downtown San Francisco where Bay Area Rapid Transit and Muni Metro lines converge near the city’s eastern waterfront.
|
E193014
|
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: Embarcadero Station (BART/Muni Metro nearby terminus area) | Statement: [Embarcadero, publicTransitServedBy, Embarcadero Station (BART/Muni Metro nearby terminus area)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Embarcadero Station (BART/Muni Metro nearby terminus area) Context triple: [Embarcadero, publicTransitServedBy, Embarcadero Station (BART/Muni Metro nearby terminus area)]
-
A.
Civic Center/UN Plaza BART station
Civic Center/UN Plaza BART station is a major underground Bay Area Rapid Transit and Muni Metro hub serving San Francisco’s Civic Center area near City Hall and the United Nations Plaza.
-
B.
Warm Springs/South Fremont BART station
Warm Springs/South Fremont BART station is a Bay Area Rapid Transit station in southern Fremont, California, serving as a major transit hub for the Warm Springs district and a gateway to Silicon Valley.
-
C.
Downtown Berkeley station
Downtown Berkeley station is a major underground Bay Area Rapid Transit (BART) stop serving the commercial core and university area of Berkeley, California.
-
D.
Lake Merritt BART station
Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
-
E.
Millbrae station
Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
- 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: Embarcadero Station (BART/Muni Metro nearby terminus area) Triple: [Embarcadero, publicTransitServedBy, Embarcadero Station (BART/Muni Metro nearby terminus area)]
Generated description
Embarcadero Station (BART/Muni Metro nearby terminus area) is a major underground transit hub in downtown San Francisco where Bay Area Rapid Transit and Muni Metro lines converge near the city’s eastern waterfront.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Embarcadero Station (BART/Muni Metro nearby terminus area) Target entity description: Embarcadero Station (BART/Muni Metro nearby terminus area) is a major underground transit hub in downtown San Francisco where Bay Area Rapid Transit and Muni Metro lines converge near the city’s eastern waterfront.
-
A.
Civic Center/UN Plaza BART station
Civic Center/UN Plaza BART station is a major underground Bay Area Rapid Transit and Muni Metro hub serving San Francisco’s Civic Center area near City Hall and the United Nations Plaza.
-
B.
Warm Springs/South Fremont BART station
Warm Springs/South Fremont BART station is a Bay Area Rapid Transit station in southern Fremont, California, serving as a major transit hub for the Warm Springs district and a gateway to Silicon Valley.
-
C.
Downtown Berkeley station
Downtown Berkeley station is a major underground Bay Area Rapid Transit (BART) stop serving the commercial core and university area of Berkeley, California.
-
D.
Lake Merritt BART station
Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
-
E.
Millbrae station
Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
- 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_69a8862b01a48190ab47209063af82d9 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69aa63c5ab648190bceae2a19fa18e87 |
completed | March 6, 2026, 5:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad8b060d64819096ba0522ccce9145 |
completed | March 8, 2026, 2:43 p.m. |
| NEDg | Description generation | batch_69ad957f64c48190862a701a94098bbf |
completed | March 8, 2026, 3:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad97b974708190adfffebee41a6fcd |
completed | March 8, 2026, 3:37 p.m. |
Created at: March 4, 2026, 7:30 p.m.