Triple
T19340863
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lancaster station |
E483750
|
entity |
| Predicate | isOnRailCorridor |
P105113
|
FINISHED |
| Object | Antelope Valley rail corridor |
—
|
NE NERFINISHED |
How this triple was built (3 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: Antelope Valley rail corridor | Statement: [Lancaster station, isOnRailCorridor, Antelope Valley rail corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Antelope Valley rail corridor Context triple: [Lancaster station, isOnRailCorridor, Antelope Valley rail corridor]
-
A.
Los Angeles–San Diego rail corridor
The Los Angeles–San Diego rail corridor is a major Southern California passenger and freight rail route running along the coast between the Los Angeles and San Diego metropolitan areas.
-
B.
Union Pacific Railroad Mojave Subdivision
chosen
The Union Pacific Railroad Mojave Subdivision is a freight rail line in Southern California that runs through the Mojave Desert, serving as a key east–west corridor for Union Pacific’s operations in the region.
-
C.
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.
-
D.
Culver Line
The Culver Line is a New York City Subway route in Brooklyn that primarily carries F trains between central Brooklyn neighborhoods and Manhattan via an elevated and underground corridor.
-
E.
BNSF Seligman Subdivision
BNSF Seligman Subdivision is a major freight and passenger rail line in northern Arizona that forms part of the transcontinental route between Southern California and the Midwest.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isOnRailCorridor Context triple: [Lancaster station, isOnRailCorridor, Antelope Valley rail corridor]
-
A.
isOnRailway
Indicates that one entity is positioned on, aligned with, or traveling along a railway track or railway system in relation to another entity.
-
B.
isRailwayIn
Indicates that a railway is located within or passes through a specified geographic or administrative area.
-
C.
hasRailRoute
Indicates that there exists a rail-based transportation route or connection between the related entities.
-
D.
partOfRailwayCorridor
Indicates that one entity is a segment, component, or area belonging to or contained within a specific railway corridor.
-
E.
servesRailCorridor
chosen
Indicates that something (such as a service, facility, or operation) provides service to or operates along a specific rail corridor.
- F. None of above.
Provenance (3 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_69d8e8d244f8819080eb1f3491300db2 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e61856c0948190a3166b3bf3810e43 |
completed | April 20, 2026, 12:13 p.m. |
| PD | Predicate disambiguation | batch_69e4dd12303c8190a2027c062b2dff40 |
completed | April 19, 2026, 1:48 p.m. |
Created at: April 10, 2026, 1:33 p.m.