Triple
T5391216
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | California High-Speed Rail |
E120332
|
entity |
| Predicate | initialOperatingSegment |
P25104
|
FINISHED |
| Object |
Merced–Bakersfield
Merced–Bakersfield is the planned first operational segment of California’s high-speed rail system in the Central Valley, intended to demonstrate and launch high-speed passenger service in the state.
|
E525079
|
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: Merced–Bakersfield | Statement: [California High-Speed Rail, initialOperatingSegment, Merced–Bakersfield]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Merced–Bakersfield Context triple: [California High-Speed Rail, initialOperatingSegment, Merced–Bakersfield]
-
A.
Bakersfield
Bakersfield is a large city in California known for its role as an agricultural and oil-production hub and as the birthplace of the Bakersfield sound in country music.
-
B.
Merced
Merced is a city in California’s San Joaquin Valley known as a gateway to Yosemite National Park and home to the University of California, Merced.
-
C.
Fresno
Fresno is a major agricultural and economic center in California’s San Joaquin Valley, known for its role in the state’s farming industry and its diverse urban population.
-
D.
Modesto
Modesto is a mid-sized city in California’s Central Valley known for its agricultural economy, historic connection to the railroads, and as the hometown setting inspiration for George Lucas’s film "American Graffiti."
-
E.
Modesto
Modesto was a prominent Spanish Republican military commander during the Spanish Civil War.
- 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: Merced–Bakersfield Triple: [California High-Speed Rail, initialOperatingSegment, Merced–Bakersfield]
Generated description
Merced–Bakersfield is the planned first operational segment of California’s high-speed rail system in the Central Valley, intended to demonstrate and launch high-speed passenger service in the state.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Merced–Bakersfield Target entity description: Merced–Bakersfield is the planned first operational segment of California’s high-speed rail system in the Central Valley, intended to demonstrate and launch high-speed passenger service in the state.
-
A.
Bakersfield
Bakersfield is a large city in California known for its role as an agricultural and oil-production hub and as the birthplace of the Bakersfield sound in country music.
-
B.
Merced
Merced is a city in California’s San Joaquin Valley known as a gateway to Yosemite National Park and home to the University of California, Merced.
-
C.
Fresno
Fresno is a major agricultural and economic center in California’s San Joaquin Valley, known for its role in the state’s farming industry and its diverse urban population.
-
D.
Modesto
Modesto is a mid-sized city in California’s Central Valley known for its agricultural economy, historic connection to the railroads, and as the hometown setting inspiration for George Lucas’s film "American Graffiti."
-
E.
Modesto
Modesto was a prominent Spanish Republican military commander during the Spanish Civil War.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: initialOperatingSegment Context triple: [California High-Speed Rail, initialOperatingSegment, Merced–Bakersfield]
-
A.
operatesInSegment
Indicates that an entity conducts its activities or provides its services within a specified market or operational segment.
-
B.
primaryOperation
Indicates the main or most important operation performed or used by an entity in a given context.
-
C.
operatingModel
Indicates how an organization structures and manages its processes, resources, and governance to deliver its products or services.
-
D.
initialOpening
chosen
Indicates the first or earliest instance in which something is opened, begun, or made accessible.
-
E.
operatedFrom
Indicates that an entity conducted its activities or operations starting from or based at a particular location or source.
- 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_69bd46354c648190a38b26f107010a96 |
completed | March 20, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69bd87185f788190bd5244a1f7dbb5c8 |
completed | March 20, 2026, 5:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf858027b08190a6ea46493c6a87c6 |
completed | March 22, 2026, 6 a.m. |
| NEDg | Description generation | batch_69bf863b968c8190ae1f8f5955750a12 |
completed | March 22, 2026, 6:03 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf866f10048190a9e13020f113b10a |
completed | March 22, 2026, 6:04 a.m. |
| PD | Predicate disambiguation | batch_69bd8463a9c88190bd760378f3026180 |
completed | March 20, 2026, 5:31 p.m. |
Created at: March 20, 2026, 2:04 p.m.