Triple
T458806
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Altamont Corridor Express |
E7290
|
entity |
| Predicate | primaryRoute |
P6298
|
FINISHED |
| Object |
Stockton–San Jose
Stockton–San Jose refers to the intercity rail corridor in Northern California connecting the Central Valley city of Stockton with the Bay Area city of San Jose.
|
E27002
|
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: Stockton–San Jose | Statement: [Altamont Corridor Express, primaryRoute, Stockton–San Jose]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stockton–San Jose Context triple: [Altamont Corridor Express, primaryRoute, Stockton–San Jose]
-
A.
Stockton
Stockton is a major inland port city in California’s Central Valley, known for its agricultural economy, diverse population, and role as a transportation and logistics hub.
-
B.
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.
-
C.
Sacramento
Sacramento is the capital city of the U.S. state of California, known for its role as the state’s political center and its historic roots in the Gold Rush era.
-
D.
Fremont
Fremont is a large suburban city in the San Francisco Bay Area known for its diverse population, tech industry presence, and proximity to Silicon Valley.
-
E.
San Jose
San Jose is a major technology and innovation hub in Silicon Valley and one of the largest cities in Northern 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: Stockton–San Jose Triple: [Altamont Corridor Express, primaryRoute, Stockton–San Jose]
Generated description
Stockton–San Jose refers to the intercity rail corridor in Northern California connecting the Central Valley city of Stockton with the Bay Area city of San Jose.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Stockton–San Jose Target entity description: Stockton–San Jose refers to the intercity rail corridor in Northern California connecting the Central Valley city of Stockton with the Bay Area city of San Jose.
-
A.
Stockton
chosen
Stockton is a major inland port city in California’s Central Valley, known for its agricultural economy, diverse population, and role as a transportation and logistics hub.
-
B.
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.
-
C.
Sacramento
Sacramento is the capital city of the U.S. state of California, known for its role as the state’s political center and its historic roots in the Gold Rush era.
-
D.
Fremont
Fremont is a large suburban city in the San Francisco Bay Area known for its diverse population, tech industry presence, and proximity to Silicon Valley.
-
E.
San Jose
San Jose is a major technology and innovation hub in Silicon Valley and one of the largest cities in Northern California.
- F. None of above.
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_69a2e7e5c5bc8190a1dc8178218fba40 |
completed | Feb. 28, 2026, 1:04 p.m. |
| NER | Named-entity recognition | batch_69a2efa4a6208190a8243a0e14f84f52 |
completed | Feb. 28, 2026, 1:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a452947cd0819084fd885afce26da8 |
completed | March 1, 2026, 2:52 p.m. |
| NEDg | Description generation | batch_69a4539f00008190a736df2fcaf3109a |
completed | March 1, 2026, 2:56 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4541cd02081908b8534b24d3933ff |
completed | March 1, 2026, 2:58 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.