Triple
T1311297
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra Union Pacific West Line |
E27995
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Oak Park, Illinois |
E24164
|
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: Oak Park, Illinois | Statement: [Metra Union Pacific West Line, serves, Oak Park, Illinois]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Oak Park, Illinois Context triple: [Metra Union Pacific West Line, serves, Oak Park, Illinois]
-
A.
Oak Park, Illinois
chosen
Oak Park, Illinois is a historic suburb just west of Chicago known for its Frank Lloyd Wright architecture, vibrant arts scene, and diverse, walkable neighborhoods.
-
B.
Palos Park, Illinois
Palos Park, Illinois is a small, affluent suburban village southwest of Chicago known for its forest preserves, scenic natural areas, and residential character.
-
C.
Lake Forest, Illinois
Lake Forest, Illinois is an affluent North Shore suburb of Chicago known for its historic estates, tree-lined neighborhoods, and prestigious educational institutions.
-
D.
Orland Park, Illinois
Orland Park, Illinois is a suburban village southwest of Chicago known for its extensive shopping centers, residential communities, and recreational amenities.
-
E.
River Forest, Illinois
River Forest, Illinois is a suburban village in Cook County, just west of Chicago, known for its tree-lined residential streets, historic architecture, and proximity to Dominican University and Concordia University Chicago.
- 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_69a496d7d83481908f83085854e51328 |
completed | March 1, 2026, 7:43 p.m. |
| NER | Named-entity recognition | batch_69a4c1560f888190bdd9107b08395e0b |
completed | March 1, 2026, 10:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b36067f47881908de481e1350bcaff |
completed | March 13, 2026, 12:55 a.m. |
Created at: March 1, 2026, 7:51 p.m.