Triple
T10511140
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Washington station (CTA Blue Line) |
E247916
|
entity |
| Predicate | partOfNetwork |
P840
|
FINISHED |
| Object | CTA rail network |
E399332
|
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: CTA rail network | Statement: [Washington station (CTA Blue Line), partOfNetwork, CTA rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CTA rail network Context triple: [Washington station (CTA Blue Line), partOfNetwork, CTA rail network]
-
A.
CTA rail network
chosen
The CTA rail network is the rapid transit system serving Chicago and several surrounding suburbs, commonly known as the "L" and consisting of multiple color-coded lines operating on elevated, subway, and at-grade tracks.
-
B.
MAX Red Line light rail
The MAX Red Line light rail is a public transit service in the Portland metropolitan area that connects downtown Portland with Portland International Airport and other key destinations.
-
C.
RTA Blue and Green Lines system
The RTA Blue and Green Lines system is a light rail network in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key east-side suburbs and downtown areas.
-
D.
METRO light rail
METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
-
E.
Metra
Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
- 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_69d381c4aa948190942e1d803143fb0e |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d509b542088190868531f84deaf9e4 |
completed | April 7, 2026, 1:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d8dcee1db081908c791867e2438d30 |
completed | April 10, 2026, 11:20 a.m. |
Created at: April 6, 2026, 12:27 p.m.