Triple
T1295263
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra BNSF Railway Line |
E27639
|
entity |
| Predicate | servesCity |
P82
|
FINISHED |
| Object | Aurora, Illinois |
E45952
|
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: Aurora, Illinois | Statement: [Metra BNSF Railway Line, servesCity, Aurora, Illinois]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Aurora, Illinois Context triple: [Metra BNSF Railway Line, servesCity, Aurora, Illinois]
-
A.
Aurora, Illinois
chosen
Aurora, Illinois is a major city in the Chicago metropolitan area known for its historic downtown, diverse population, and role as a regional economic and cultural center.
-
B.
Elgin, Illinois
Elgin, Illinois is a city in the northwest suburbs of Chicago known for its historic architecture, diverse population, and location along the Fox River.
-
C.
Rosemont, Illinois
Rosemont, Illinois is a small village near Chicago known for its major convention centers, entertainment venues, and proximity to O'Hare International Airport.
-
D.
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.
-
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_69a496d6682881909ba658f1c1e0e2b0 |
completed | March 1, 2026, 7:43 p.m. |
| NER | Named-entity recognition | batch_69a4c0f4031481908f5e3a53d8a72929 |
completed | March 1, 2026, 10:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afaf0adcd88190a2627ae97157884e |
completed | March 10, 2026, 5:41 a.m. |
Created at: March 1, 2026, 7:51 p.m.