Triple
T2939066
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dublin, California |
E79339
|
entity |
| Predicate | hasTransitStation |
P726
|
FINISHED |
| Object |
Dublin/Pleasanton BART station
Dublin/Pleasanton BART station is a major Bay Area Rapid Transit terminal in eastern Alameda County that serves as a key regional commuter hub for the cities of Dublin and Pleasanton.
|
E311201
|
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: Dublin/Pleasanton BART station | Statement: [Dublin, California, hasTransitStation, Dublin/Pleasanton BART station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dublin/Pleasanton BART station Context triple: [Dublin, California, hasTransitStation, Dublin/Pleasanton BART station]
-
A.
Rockridge BART station
Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Richmond BART station
Richmond BART station is a major transit hub in Richmond, California, serving as the northern terminus of BART’s Richmond line and an intermodal connection point with Amtrak and local buses.
- 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: Dublin/Pleasanton BART station Triple: [Dublin, California, hasTransitStation, Dublin/Pleasanton BART station]
Generated description
Dublin/Pleasanton BART station is a major Bay Area Rapid Transit terminal in eastern Alameda County that serves as a key regional commuter hub for the cities of Dublin and Pleasanton.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dublin/Pleasanton BART station Target entity description: Dublin/Pleasanton BART station is a major Bay Area Rapid Transit terminal in eastern Alameda County that serves as a key regional commuter hub for the cities of Dublin and Pleasanton.
-
A.
Rockridge BART station
Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Richmond BART station
Richmond BART station is a major transit hub in Richmond, California, serving as the northern terminus of BART’s Richmond line and an intermodal connection point with Amtrak and local buses.
- 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_69ad8b0fbab081908f6a61567c045d8d |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad986d9a248190927efc1a0c7d247f |
completed | March 8, 2026, 3:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b08686b0388190a214ad8a615f2da5 |
completed | March 10, 2026, 9 p.m. |
| NEDg | Description generation | batch_69b0d312b82c81908abbb005560b89a0 |
completed | March 11, 2026, 2:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b0d392b8cc8190804a1bf06785d7d0 |
completed | March 11, 2026, 2:29 a.m. |
Created at: March 8, 2026, 2:56 p.m.