Triple
T14882214
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CCJPA |
E350027
|
entity |
| Predicate | railRoute |
P848
|
FINISHED |
| Object |
San Jose–Auburn (select trains)
San Jose–Auburn (select trains) is a Capitol Corridor passenger rail service pattern in Northern California that operates only certain trains between San Jose and Auburn rather than the full route’s usual endpoints.
|
E1124940
|
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: San Jose–Auburn (select trains) | Statement: [CCJPA, railRoute, San Jose–Auburn (select trains)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Jose–Auburn (select trains) Context triple: [CCJPA, railRoute, San Jose–Auburn (select trains)]
-
A.
San Joaquins (train)
San Joaquins is an Amtrak intercity passenger train service in California that operates along the San Joaquin Valley, linking the Bay Area and Sacramento with Bakersfield.
-
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.
San Francisco (Caltrain)
San Francisco (Caltrain) is the northern terminus and major commuter rail station of the Caltrain line serving the San Francisco Bay Area.
-
D.
Sonoma–Marin Area Rail Transit
Sonoma–Marin Area Rail Transit is a commuter rail system in California’s North Bay that provides passenger service along the Highway 101 corridor in Sonoma and Marin counties.
-
E.
Amtrak Cascades
Amtrak Cascades is a passenger rail service in the Pacific Northwest that operates between Eugene, Oregon and Vancouver, British Columbia, connecting major cities such as Portland and Seattle.
- 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: San Jose–Auburn (select trains) Triple: [CCJPA, railRoute, San Jose–Auburn (select trains)]
Generated description
San Jose–Auburn (select trains) is a Capitol Corridor passenger rail service pattern in Northern California that operates only certain trains between San Jose and Auburn rather than the full route’s usual endpoints.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San Jose–Auburn (select trains) Target entity description: San Jose–Auburn (select trains) is a Capitol Corridor passenger rail service pattern in Northern California that operates only certain trains between San Jose and Auburn rather than the full route’s usual endpoints.
-
A.
San Joaquins (train)
San Joaquins is an Amtrak intercity passenger train service in California that operates along the San Joaquin Valley, linking the Bay Area and Sacramento with Bakersfield.
-
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.
San Francisco (Caltrain)
San Francisco (Caltrain) is the northern terminus and major commuter rail station of the Caltrain line serving the San Francisco Bay Area.
-
D.
Sonoma–Marin Area Rail Transit
Sonoma–Marin Area Rail Transit is a commuter rail system in California’s North Bay that provides passenger service along the Highway 101 corridor in Sonoma and Marin counties.
-
E.
Amtrak Cascades
Amtrak Cascades is a passenger rail service in the Pacific Northwest that operates between Eugene, Oregon and Vancouver, British Columbia, connecting major cities such as Portland and Seattle.
- 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_69d822ee4f408190b6ac3b2fa434f0df |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69ded5e7c0e48190af2d68a71130585c |
completed | April 15, 2026, 12:03 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe6b5af8208190a35451477ea20b03 |
completed | May 8, 2026, 11:01 p.m. |
| NEDg | Description generation | batch_69fe6cc2ccb0819081e32dc9d2e3973a |
completed | May 8, 2026, 11:07 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fe6d9e9a648190920206c8f75cae2e |
completed | May 8, 2026, 11:11 p.m. |
Created at: April 10, 2026, 1:56 a.m.