Triple
T7413736
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Purple Line Express |
E171075
|
entity |
| Predicate | operatesOn |
P23
|
FINISHED |
| Object | North Side Main Line |
E104833
|
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: North Side Main Line | Statement: [Purple Line Express, operatesOn, North Side Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Side Main Line Context triple: [Purple Line Express, operatesOn, North Side Main Line]
-
A.
North Side Main Line
chosen
The North Side Main Line was a historic elevated rapid transit route in Chicago that formed a key part of the early "L" system and later evolved into segments of today’s Red Line.
-
B.
South Side Main Line
The South Side Main Line is a key elevated rapid transit corridor on Chicago's 'L' system that carries multiple Green Line services through the city's South Side.
-
C.
The Main Line
"The Main Line" is a 1914 American silent drama film written by Beatrice DeMille, notable as part of her early screenwriting career in the emerging Hollywood film industry.
-
D.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
-
E.
Myrtle Avenue Line
The Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens, primarily served by the M train.
- 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_69c68a618bdc81908d8018edadecd1a4 |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f2c336308190932c14cec5eec25f |
completed | March 27, 2026, 9:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c81ee1b48c81909912ff0d7bf2837e |
completed | March 28, 2026, 6:33 p.m. |
Created at: March 27, 2026, 3:11 p.m.