Triple
T3387992
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sacramento Regional Transit |
E71347
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Sacramento Valley Station (light rail)
Sacramento Valley Station (light rail) is a light rail stop in Sacramento, California, serving as a key transit hub within the Sacramento Regional Transit system and providing connections to regional and intercity rail services.
|
E353518
|
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: Sacramento Valley Station (light rail) | Statement: [Sacramento Regional Transit, hasStation, Sacramento Valley Station (light rail)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sacramento Valley Station (light rail) Context triple: [Sacramento Regional Transit, hasStation, Sacramento Valley Station (light rail)]
-
A.
Sunnyvale Station
Sunnyvale Station is a commuter rail station in Sunnyvale, California, serving Caltrain passengers along the San Francisco Peninsula.
-
B.
Walnut Creek station
Walnut Creek station is a Bay Area Rapid Transit (BART) station in Walnut Creek, California, serving as a key transit hub for commuters in the East Bay region.
-
C.
Mountain View station
Mountain View station is a commuter rail stop in Mountain View, California, serving as a key transit hub on the Caltrain line and connecting to local light rail and bus services.
-
D.
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.
-
E.
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.
- 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: Sacramento Valley Station (light rail) Triple: [Sacramento Regional Transit, hasStation, Sacramento Valley Station (light rail)]
Generated description
Sacramento Valley Station (light rail) is a light rail stop in Sacramento, California, serving as a key transit hub within the Sacramento Regional Transit system and providing connections to regional and intercity rail services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sacramento Valley Station (light rail) Target entity description: Sacramento Valley Station (light rail) is a light rail stop in Sacramento, California, serving as a key transit hub within the Sacramento Regional Transit system and providing connections to regional and intercity rail services.
-
A.
Sunnyvale Station
Sunnyvale Station is a commuter rail station in Sunnyvale, California, serving Caltrain passengers along the San Francisco Peninsula.
-
B.
Walnut Creek station
Walnut Creek station is a Bay Area Rapid Transit (BART) station in Walnut Creek, California, serving as a key transit hub for commuters in the East Bay region.
-
C.
Mountain View station
Mountain View station is a commuter rail stop in Mountain View, California, serving as a key transit hub on the Caltrain line and connecting to local light rail and bus services.
-
D.
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.
-
E.
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.
- 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_69ad85a8fd9c819095ecedf838d2bf1b |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb665c6008190b33994ef20f5bd61 |
completed | March 8, 2026, 5:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b33458130881908a2b47abd91f4ea8 |
completed | March 12, 2026, 9:47 p.m. |
| NEDg | Description generation | batch_69b3389541a081909631f7cc0586d5e2 |
completed | March 12, 2026, 10:05 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b338f4f9b48190bd3c8f89d3c6b9ba |
completed | March 12, 2026, 10:06 p.m. |
Created at: March 8, 2026, 3:14 p.m.