Triple
T15785453
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pico station |
E382726
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | E Line (formerly Expo Line) |
E810033
|
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: E Line (formerly Expo Line) | Statement: [Pico station, partOf, E Line (formerly Expo Line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: E Line (formerly Expo Line) Context triple: [Pico station, partOf, E Line (formerly Expo Line)]
-
A.
Expo Line
The Expo Line is a major automated rapid transit line in Metro Vancouver’s SkyTrain system, connecting downtown Vancouver with key suburban centres in Burnaby, New Westminster, and Surrey.
-
B.
Expo Line (Los Angeles Metro)
chosen
The Expo Line (Los Angeles Metro), now known as the E Line, is a light rail route in Los Angeles that connects Downtown Los Angeles to Santa Monica, serving major Westside neighborhoods and destinations.
-
C.
Expo Line phase 1
Expo Line phase 1 is the initial segment of Los Angeles Metro's E Line light rail, connecting downtown Los Angeles to the Westside and serving as the foundation for the line’s later westward extensions.
-
D.
E Line light rail
The E Line light rail is a Denver-area Regional Transportation District (RTD) light rail service that runs through central and southeast Denver, connecting downtown with suburban communities.
-
E.
Purple Line Express
Purple Line Express is a rush-hour rapid transit service of the Chicago Transit Authority that operates as a faster, limited-stop variant of the Purple 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_69d86da16e188190b89af699f1ed0bfe |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e05401c4788190a31c180953433db9 |
completed | April 16, 2026, 3:14 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffc3b4378c81908850161988a03b9e |
completed | May 9, 2026, 11:31 p.m. |
Created at: April 10, 2026, 4:48 a.m.