Triple
T22056
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sacramento |
E438
|
entity |
| Predicate | transportHub |
P726
|
FINISHED |
| Object |
Amtrak Sacramento Valley Station
Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
|
E7720
|
NE FINISHED |
How this triple was built (5 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: Amtrak Sacramento Valley Station | Statement: [Sacramento, transportHub, Amtrak Sacramento Valley Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak Sacramento Valley Station Context triple: [Sacramento, transportHub, Amtrak Sacramento Valley Station]
-
A.
Atherton station
Atherton station is a commuter rail stop in Atherton, California, serving Caltrain passengers on the San Francisco Peninsula.
-
B.
Caltrain
Caltrain is a commuter rail service on the San Francisco Peninsula and in the Santa Clara Valley, connecting San Francisco to San Jose and Gilroy in California.
-
C.
California State Railroad Museum
The California State Railroad Museum is a major railway history museum in Sacramento showcasing historic locomotives, rolling stock, and exhibits on the development of railroads in California and the American West.
-
D.
Hollywood/Highland station
Hollywood/Highland station is a Los Angeles Metro Rail subway stop on the B Line located in the heart of Hollywood near major attractions like the Dolby Theatre and the Hollywood Walk of Fame.
-
E.
Hollywood/Western station
Hollywood/Western station is a Los Angeles Metro Rail subway station on the B Line located in the Hollywood district of Los Angeles, California.
- 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: Amtrak Sacramento Valley Station Triple: [Sacramento, transportHub, Amtrak Sacramento Valley Station]
Generated description
Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Amtrak Sacramento Valley Station Target entity description: Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
-
A.
Atherton station
Atherton station is a commuter rail stop in Atherton, California, serving Caltrain passengers on the San Francisco Peninsula.
-
B.
Caltrain
Caltrain is a commuter rail service on the San Francisco Peninsula and in the Santa Clara Valley, connecting San Francisco to San Jose and Gilroy in California.
-
C.
California State Railroad Museum
The California State Railroad Museum is a major railway history museum in Sacramento showcasing historic locomotives, rolling stock, and exhibits on the development of railroads in California and the American West.
-
D.
Hollywood/Highland station
Hollywood/Highland station is a Los Angeles Metro Rail subway stop on the B Line located in the heart of Hollywood near major attractions like the Dolby Theatre and the Hollywood Walk of Fame.
-
E.
Hollywood/Western station
Hollywood/Western station is a Los Angeles Metro Rail subway station on the B Line located in the Hollywood district of Los Angeles, California.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: transportHub Context triple: [Sacramento, transportHub, Amtrak Sacramento Valley Station]
-
A.
publicTransit
Indicates that one entity provides or is connected via shared, scheduled transportation services (such as buses, trains, or subways) that are available for use by the general public.
-
B.
transportType
Indicates the mode or means of transportation used in carrying something or someone from one place to another.
-
C.
transportation
Indicates the movement of someone or something from one place to another, typically using a vehicle or transit system.
-
D.
hasRailStation
chosen
Indicates that one entity possesses, contains, or is served by a rail station.
-
E.
hasTransportationSystem
Indicates that an entity possesses, operates, or is served by an organized system for transporting people or goods.
- F. None of above.
Provenance (6 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_69a243b4ac2c8190b93c303df797b7b2 |
completed | Feb. 28, 2026, 1:24 a.m. |
| NER | Named-entity recognition | batch_69a246e94ca881908f7a7d2c0b293033 |
completed | Feb. 28, 2026, 1:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2623969188190814f662922953e39 |
completed | Feb. 28, 2026, 3:34 a.m. |
| NEDg | Description generation | batch_69a2630ebfb08190a75f93b74424005b |
completed | Feb. 28, 2026, 3:37 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2636c35e48190b4e6260a95f55799 |
completed | Feb. 28, 2026, 3:39 a.m. |
| PD | Predicate disambiguation | batch_69a24654724481909ba14b7f68d2a472 |
completed | Feb. 28, 2026, 1:35 a.m. |
Created at: Feb. 28, 2026, 1:34 a.m.