Triple
T378536
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra Rock Island District 35th Street station |
E8623
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | South Side of Chicago |
E8994
|
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: South Side of Chicago | Statement: [Metra Rock Island District 35th Street station, regionServed, South Side of Chicago]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Side of Chicago Context triple: [Metra Rock Island District 35th Street station, regionServed, South Side of Chicago]
-
A.
South Side, Chicago
chosen
South Side, Chicago is a large, historically working-class region of Chicago known for its diverse neighborhoods, rich cultural and musical heritage, and significant role in the city’s industrial and social history.
-
B.
Wicker Park
Wicker Park is a 2004 romantic psychological thriller film starring Josh Hartnett, known for its intricate plot about obsession, mistaken identity, and lost love.
-
C.
Chicago Loop
Chicago Loop is the central business district and historic downtown core of Chicago, known for its skyscrapers, theaters, parks, and major cultural attractions.
-
D.
Calumet City, Illinois
Calumet City, Illinois is a suburban city in the Chicago metropolitan area known historically for its industrial roots and proximity to the Indiana state line.
-
E.
Elmhurst, Illinois
Elmhurst, Illinois is a suburban city in the Chicago metropolitan area known for its residential neighborhoods, parks, and vibrant downtown.
- 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_69a2e7f47dd08190a4e294ccbbe46cd4 |
completed | Feb. 28, 2026, 1:04 p.m. |
| NER | Named-entity recognition | batch_69a2ec2974988190a1d6316cbb5159c8 |
completed | Feb. 28, 2026, 1:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a431dbb77081908f87740c9b827f90 |
completed | March 1, 2026, 12:32 p.m. |
Created at: Feb. 28, 2026, 1:08 p.m.