Triple
T95002
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago Transit Authority |
E1910
|
entity |
| Predicate | operatesInMunicipality |
P794
|
FINISHED |
| Object | Evanston, Illinois |
E23140
|
NE FINISHED |
How this triple was built (3 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: Evanston, Illinois | Statement: [Chicago Transit Authority, operatesInMunicipality, Evanston, Illinois]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Evanston, Illinois Context triple: [Chicago Transit Authority, operatesInMunicipality, Evanston, Illinois]
-
A.
Evanston, Illinois
chosen
Evanston, Illinois is a suburban city directly north of Chicago, known for being the home of Northwestern University and its vibrant, diverse community along Lake Michigan.
-
B.
Downers Grove, Illinois
Downers Grove, Illinois is a suburban village west of Chicago known for its commuter-friendly location, strong schools, and mix of residential neighborhoods and commercial districts.
-
C.
Skokie, Illinois
Skokie, Illinois is a suburban village just north of Chicago known for its diverse population, significant Jewish community, and historic role in a landmark U.S. Supreme Court free speech case.
-
D.
Elmhurst, Illinois
Elmhurst, Illinois is a suburban city in the Chicago metropolitan area known for its residential neighborhoods, parks, and vibrant downtown.
-
E.
Arlington Heights, Illinois
Arlington Heights, Illinois is a suburban village northwest of Chicago known for its residential communities, commercial districts, and former Arlington International Racecourse.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: operatesInMunicipality Context triple: [Chicago Transit Authority, operatesInMunicipality, Evanston, Illinois]
-
A.
municipality
Indicates that one entity is a municipality (a local administrative unit) in which the other entity is located or which it governs.
-
B.
hasMunicipalGovernment
Indicates that an entity is administered or governed by a municipal-level governmental authority.
-
C.
operatesWithin
chosen
Indicates that one entity carries out its activities, functions, or operations inside the scope, boundaries, or jurisdiction defined by another entity.
-
D.
hasLocalGovernmentBody
Indicates that an entity is administered or overseen by a specific local government authority or governing body.
-
E.
operatesBy
Indicates that an entity performs its function, action, or process through the use or application of another entity (e.g., a method, mechanism, or principle).
- F. None of above.
Provenance (4 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_69a24d4862f881908cc8b89d3a78031d |
completed | Feb. 28, 2026, 2:04 a.m. |
| NER | Named-entity recognition | batch_69a24feef1b08190bb9525f71cce053e |
completed | Feb. 28, 2026, 2:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a481e765b88190a96eb2d5aa108a11 |
completed | March 1, 2026, 6:13 p.m. |
| PD | Predicate disambiguation | batch_69a24ebb3da08190a8b82564f33cde3b |
completed | Feb. 28, 2026, 2:11 a.m. |
Created at: Feb. 28, 2026, 2:09 a.m.