Triple
T4431518
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Clemente Pier station |
E95340
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object |
Pacific Surfliner route
The Pacific Surfliner route is a popular Amtrak passenger rail corridor along the Southern California coast, connecting cities such as San Diego, Los Angeles, and San Luis Obispo.
|
E440071
|
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: Pacific Surfliner route | Statement: [San Clemente Pier station, railwayLine, Pacific Surfliner route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pacific Surfliner route Context triple: [San Clemente Pier station, railwayLine, Pacific Surfliner route]
-
A.
San Joaquins route
The San Joaquins route is an Amtrak passenger rail service in California that connects the San Francisco Bay Area and Sacramento with the Central Valley and Bakersfield.
-
B.
Richmond–San Francisco route
The Richmond–San Francisco route is a commuter and leisure ferry service across San Francisco Bay connecting the city of Richmond with San Francisco.
-
C.
BNSF Southern Transcon
The BNSF Southern Transcon is a major high-capacity freight rail corridor across the southern United States, serving as one of BNSF Railway’s primary routes for transcontinental intermodal and merchandise traffic.
-
D.
Alameda/Oakland–San Francisco route
The Alameda/Oakland–San Francisco route is a commuter and tourist ferry service across San Francisco Bay connecting the East Bay cities of Alameda and Oakland with San Francisco.
-
E.
BNSF Scenic Subdivision
The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
- 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: Pacific Surfliner route Triple: [San Clemente Pier station, railwayLine, Pacific Surfliner route]
Generated description
The Pacific Surfliner route is a popular Amtrak passenger rail corridor along the Southern California coast, connecting cities such as San Diego, Los Angeles, and San Luis Obispo.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pacific Surfliner route Target entity description: The Pacific Surfliner route is a popular Amtrak passenger rail corridor along the Southern California coast, connecting cities such as San Diego, Los Angeles, and San Luis Obispo.
-
A.
San Joaquins route
The San Joaquins route is an Amtrak passenger rail service in California that connects the San Francisco Bay Area and Sacramento with the Central Valley and Bakersfield.
-
B.
Richmond–San Francisco route
The Richmond–San Francisco route is a commuter and leisure ferry service across San Francisco Bay connecting the city of Richmond with San Francisco.
-
C.
BNSF Southern Transcon
The BNSF Southern Transcon is a major high-capacity freight rail corridor across the southern United States, serving as one of BNSF Railway’s primary routes for transcontinental intermodal and merchandise traffic.
-
D.
Alameda/Oakland–San Francisco route
The Alameda/Oakland–San Francisco route is a commuter and tourist ferry service across San Francisco Bay connecting the East Bay cities of Alameda and Oakland with San Francisco.
-
E.
BNSF Scenic Subdivision
The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
- 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_69b3453c2a0c8190926b574c90766db9 |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b3556b71448190a3fab938853f8b87 |
completed | March 13, 2026, 12:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b6136f350c81908d00eff850951ab0 |
completed | March 15, 2026, 2:03 a.m. |
| NEDg | Description generation | batch_69b61439a86c8190849c5af718ddc647 |
completed | March 15, 2026, 2:06 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b614d6106c81908a601f540622f934 |
completed | March 15, 2026, 2:09 a.m. |
Created at: March 12, 2026, 11:31 p.m.