Triple
T11105319
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Coast Line |
E262611
|
entity |
| Predicate | passesThrough |
P225
|
FINISHED |
| Object |
San Luis Obispo Subdivision
The San Luis Obispo Subdivision is a railroad line segment in California that forms part of the Union Pacific (formerly Southern Pacific) Coast Line, serving the San Luis Obispo area and surrounding region.
|
E905530
|
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 Luis Obispo Subdivision | Statement: [Coast Line, passesThrough, San Luis Obispo Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Luis Obispo Subdivision Context triple: [Coast Line, passesThrough, San Luis Obispo Subdivision]
-
A.
San Diego Subdivision
The San Diego Subdivision is a key Southern California railway line used for passenger and freight service, including commuter operations in the San Diego region.
-
B.
BNSF San Bernardino Subdivision
The BNSF San Bernardino Subdivision is a major freight rail line in Southern California operated by BNSF Railway, serving as a key corridor for transcontinental rail traffic.
-
C.
Santa Cruz railway branch
The Santa Cruz railway branch is a commuter rail line in Rio de Janeiro that connects the western neighborhoods, including Santa Cruz, to the city’s central rail network.
-
D.
Union Pacific Valley Subdivision
The Union Pacific Valley Subdivision is a railroad line operated by Union Pacific that serves as a key freight corridor within its regional rail network.
-
E.
Union Pacific Railroad Fresno Subdivision
The Union Pacific Railroad Fresno Subdivision is a key freight and passenger rail corridor in California’s Central Valley that carries both Union Pacific trains and Altamont Corridor Express commuter services.
- 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 Luis Obispo Subdivision Triple: [Coast Line, passesThrough, San Luis Obispo Subdivision]
Generated description
The San Luis Obispo Subdivision is a railroad line segment in California that forms part of the Union Pacific (formerly Southern Pacific) Coast Line, serving the San Luis Obispo area and surrounding region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San Luis Obispo Subdivision Target entity description: The San Luis Obispo Subdivision is a railroad line segment in California that forms part of the Union Pacific (formerly Southern Pacific) Coast Line, serving the San Luis Obispo area and surrounding region.
-
A.
San Diego Subdivision
The San Diego Subdivision is a key Southern California railway line used for passenger and freight service, including commuter operations in the San Diego region.
-
B.
BNSF San Bernardino Subdivision
The BNSF San Bernardino Subdivision is a major freight rail line in Southern California operated by BNSF Railway, serving as a key corridor for transcontinental rail traffic.
-
C.
Santa Cruz railway branch
The Santa Cruz railway branch is a commuter rail line in Rio de Janeiro that connects the western neighborhoods, including Santa Cruz, to the city’s central rail network.
-
D.
Union Pacific Valley Subdivision
The Union Pacific Valley Subdivision is a railroad line operated by Union Pacific that serves as a key freight corridor within its regional rail network.
-
E.
Union Pacific Railroad Fresno Subdivision
The Union Pacific Railroad Fresno Subdivision is a key freight and passenger rail corridor in California’s Central Valley that carries both Union Pacific trains and Altamont Corridor Express commuter services.
- 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_69d6aa9a40d88190a373e2c7e48285db |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d79a2e319881909e66d3c0c73b56bc |
completed | April 9, 2026, 12:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e42d7016908190bb7aadadacb5b50f |
completed | April 19, 2026, 1:18 a.m. |
| NEDg | Description generation | batch_69e42f3dd02c8190b40bc692c24b2ff4 |
completed | April 19, 2026, 1:26 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e4375eaf448190a17f8df1e83145e0 |
completed | April 19, 2026, 2:01 a.m. |
Created at: April 8, 2026, 9:27 p.m.