Triple
T22799039
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Preston station |
E564331
|
entity |
| Predicate | hasService |
P182
|
FINISHED |
| Object | Red Line southbound |
—
|
NE NERFINISHED |
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: Red Line southbound | Statement: [Preston station, hasService, Red Line southbound]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Red Line southbound Context triple: [Preston station, hasService, Red Line southbound]
-
A.
Red Line southbound
chosen
Red Line southbound is the Chicago 'L' rapid transit service that runs south from northern stations like Wilson toward the Loop and the city's South Side.
-
B.
Red Line northbound
Red Line northbound is the northbound service pattern of a Red Line rapid transit route that stops at Preston station.
-
C.
Red Line
The Red Line is a primary route of the MetroLink light rail system serving key destinations in the St. Louis metropolitan area.
-
D.
Red Line
The Red Line is a regional express bus route operated under the SolanoExpress system, providing intercity transit service in Solano County and surrounding areas.
-
E.
Red Line
The Red Line is a major light rail route in the Dallas Area Rapid Transit (DART) system serving key corridors across the Dallas–Fort Worth metro area.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e2458185f88190b0045227ee420411 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17cdb6ba48190936bd356704c1241 |
completed | April 29, 2026, 3:36 a.m. |
Created at: April 17, 2026, 3:31 p.m.