Triple
T15067850
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 54th/Cermak station |
E379799
|
entity |
| Predicate | servesCorridor |
P2566
|
FINISHED |
| Object | Cermak Branch |
E102526
|
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: Cermak Branch | Statement: [54th/Cermak station, servesCorridor, Cermak Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cermak Branch Context triple: [54th/Cermak station, servesCorridor, Cermak Branch]
-
A.
Cermak Branch
chosen
Cermak Branch is a segment of the Chicago Transit Authority’s rapid transit system that forms part of the Pink Line route.
-
B.
South Chicago branch
The South Chicago branch is a commuter rail branch line in Chicago operated as part of Metra's Electric District, serving neighborhoods on the city's South Side.
-
C.
Blue Island branch
The Blue Island branch is a commuter rail branch line in the Chicago area that serves as part of Metra's Electric District network, connecting downtown Chicago with the suburb of Blue Island.
-
D.
Richard J. Daley Center
The Richard J. Daley Center is a prominent civic skyscraper and courthouse in downtown Chicago, known for housing major Cook County courtrooms and government offices as well as its iconic Picasso sculpture in the adjoining plaza.
-
E.
Portage Park, Chicago
Portage Park is a primarily residential neighborhood on Chicago’s Northwest Side known for its large namesake park, historic bungalows, and strong Polish-American community.
- 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_69d85cd7683881908d405c1b5d7b4f7f |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69dedeebc7e48190a86b4f0afe8844bb |
completed | April 15, 2026, 12:42 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fea5cb04e88190a42bb0e516df61bc |
completed | May 9, 2026, 3:11 a.m. |
Created at: April 10, 2026, 3:02 a.m.