Triple
T4971696
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrolink Antelope Valley Line |
E111665
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Los Angeles Metro Rail at Union Station |
E207142
|
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: Los Angeles Metro Rail at Union Station | Statement: [Metrolink Antelope Valley Line, connectsTo, Los Angeles Metro Rail at Union Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Los Angeles Metro Rail at Union Station Context triple: [Metrolink Antelope Valley Line, connectsTo, Los Angeles Metro Rail at Union Station]
-
A.
Metrolink at Union Station
Metrolink at Union Station is the Southern California regional commuter rail service hub located at Los Angeles Union Station, providing connections between multiple counties and local transit lines.
-
B.
Union Station (Los Angeles)
chosen
Union Station (Los Angeles) is the city’s main intermodal transportation terminal, serving as a central hub for regional rail, subway, light rail, and bus services.
-
C.
Metro Expo Park/USC station
Metro Expo Park/USC station is a Los Angeles Metro Rail station on the E Line that serves the University of Southern California and the Exposition Park museum and sports complex.
-
D.
Universal City/Studio City station
Universal City/Studio City station is a Los Angeles Metro Rail subway stop serving the Universal City and Studio City areas near Universal Studios Hollywood.
-
E.
Culver City station
Culver City station is a light rail transit stop in Culver City, California, serving as a key node on Los Angeles Metro’s E Line.
- 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_69bd441a0eb481908050fa4273b19eae |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd7214e18c81909db1c838a4cce78d |
completed | March 20, 2026, 4:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be81fa9108819089a6258e3a88f0cb |
completed | March 21, 2026, 11:33 a.m. |
Created at: March 20, 2026, 1:33 p.m.