Triple
T1929848
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro K Line |
E40917
|
entity |
| Predicate | purpose |
P79
|
FINISHED |
| Object | provide rail access to Los Angeles International Airport vicinity |
E11277
|
NE FINISHED |
How this triple was built (2 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: provide rail access to Los Angeles International Airport vicinity | Statement: [Metro K Line, purpose, provide rail access to Los Angeles International Airport vicinity]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: provide rail access to Los Angeles International Airport vicinity Context triple: [Metro K Line, purpose, provide rail access to Los Angeles International Airport vicinity]
-
A.
Metrolink commuter rail
Metrolink commuter rail is a Southern California regional passenger rail system that connects the Inland Empire with Los Angeles and other surrounding counties.
-
B.
Los Angeles Metro Rail
chosen
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
-
C.
Metro Busway (Los Angeles)
Metro Busway (Los Angeles) is a bus rapid transit system in Los Angeles County that operates on dedicated busways and high-occupancy vehicle lanes as part of the region’s Metro transit network.
-
D.
north runway complex at Los Angeles International Airport
The north runway complex at Los Angeles International Airport is one of the airport’s two main parallel runway systems, handling a significant share of LAX’s takeoffs and landings on its northern side.
-
E.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69a8864711648190b07bed24ed76258e |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb266dcb4819090be83556615d0db |
completed | March 7, 2026, 5:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adf3ed31448190a2e5d088ab5886b8 |
completed | March 8, 2026, 10:10 p.m. |
Created at: March 4, 2026, 7:35 p.m.