Triple
T14027891
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | E Line (Los Angeles Metro) |
E337509
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Expo Park/USC station |
E314748
|
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: Expo Park/USC station | Statement: [E Line (Los Angeles Metro), hasStation, Expo Park/USC station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Expo Park/USC station Context triple: [E Line (Los Angeles Metro), hasStation, Expo Park/USC station]
-
A.
Metro Expo Park/USC station
chosen
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.
-
B.
Expo/Sepulveda station
Expo/Sepulveda station is an elevated Los Angeles Metro Rail stop in West Los Angeles serving the E Line near the intersection of Sepulveda Boulevard and Exposition Boulevard.
-
C.
Balboa Park station
Balboa Park station is a major multimodal transit hub in San Francisco serving BART and Muni Metro lines.
-
D.
Century Park Station
Century Park Station is a major southern terminus and transit hub on Edmonton’s Light Rail Transit (LRT) system, serving the Century Park area with connections to buses and park-and-ride facilities.
-
E.
Expo/La Brea station
Expo/La Brea station is an at-grade light rail stop in Los Angeles serving the E Line, located near the intersection of Exposition and La Brea Avenues in the West Adams area.
- 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_69d81c6543a48190bd5ba93d7419e797 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de2fa830ac81908cb7df7c9e81e42a |
completed | April 14, 2026, 12:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd27fdad4c8190bf5ce5d676284e62 |
completed | May 8, 2026, 12:02 a.m. |
Created at: April 9, 2026, 10:20 p.m.