Triple
T7126801
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Belmont station (CTA North Side) |
E166082
|
entity |
| Predicate | isTransferStationFor |
P15892
|
FINISHED |
| Object | Brown Line and Purple Line Express |
E567863
|
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: Brown Line and Purple Line Express | Statement: [Belmont station (CTA North Side), isTransferStationFor, Brown Line and Purple Line Express]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Brown Line and Purple Line Express Context triple: [Belmont station (CTA North Side), isTransferStationFor, Brown Line and Purple Line Express]
-
A.
Brown Line and Purple Line Express
chosen
Brown Line and Purple Line Express are Chicago 'L' rapid transit services that share tracks on the city's North Side, with the Purple Line Express providing weekday rush-hour service to and from downtown.
-
B.
Brown Line
The Brown Line is a rapid transit route of Chicago's "L" system that primarily serves the city's North Side and northwest neighborhoods.
-
C.
Orange Line (CTA)
The Orange Line (CTA) is a rapid transit route in Chicago that connects the Loop with Midway International Airport and several Southwest Side neighborhoods.
-
D.
Red Line and Brown Line
The Red Line and Brown Line are two major Chicago 'L' rapid transit routes that intersect at several key stations and serve different corridors of the city.
-
E.
Orange Line Metro Train
Orange Line Metro Train is a rapid transit line in Lahore, Pakistan, forming part of the city’s metro system and providing high-capacity urban rail service.
- 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_69c6888350588190870cd552b427a1cd |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e64ee8ac81909ee1c7cb1db3af33 |
completed | March 27, 2026, 8:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7daff33bc8190825078d791ff0b3a |
completed | March 28, 2026, 1:43 p.m. |
Created at: March 27, 2026, 2:44 p.m.