Triple
T1588048
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Oak Forest, Illinois |
E34110
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Oak Forest station
Oak Forest station is a commuter rail stop in Oak Forest, Illinois, serving Metra's Rock Island District line between Chicago and its southwestern suburbs.
|
E188816
|
NE FINISHED |
How this triple was built (4 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 Forest station | Statement: [Oak Forest, Illinois, hasRailwayStation, Oak Forest station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Oak Forest station Context triple: [Oak Forest, Illinois, hasRailwayStation, Oak Forest station]
-
A.
Glenview station
Glenview station is a commuter rail station in Glenview, Illinois, serving as a stop for Metra and Amtrak trains in the Chicago metropolitan area.
-
B.
Berwyn station
Berwyn station is a commuter rail stop in Berwyn, Illinois, served by Metra trains on the BNSF Railway Line connecting the suburb to downtown Chicago.
-
C.
Dempster–Skokie station
Dempster–Skokie station is a Chicago Transit Authority rapid transit station in Skokie, Illinois, serving as the northern endpoint of the Yellow Line and a key park-and-ride hub for commuters.
-
D.
Park Ridge station
Park Ridge station is a commuter rail stop in Park Ridge, Illinois, serving Metra trains that connect the suburb with Chicago and surrounding areas.
-
E.
Downers Grove Main Street station
Downers Grove Main Street station is a commuter rail station in Downers Grove, Illinois, serving as a key stop for suburban passengers traveling to and from downtown Chicago.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Oak Forest station Triple: [Oak Forest, Illinois, hasRailwayStation, Oak Forest station]
Generated description
Oak Forest station is a commuter rail stop in Oak Forest, Illinois, serving Metra's Rock Island District line between Chicago and its southwestern suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Oak Forest station Target entity description: Oak Forest station is a commuter rail stop in Oak Forest, Illinois, serving Metra's Rock Island District line between Chicago and its southwestern suburbs.
-
A.
Glenview station
Glenview station is a commuter rail station in Glenview, Illinois, serving as a stop for Metra and Amtrak trains in the Chicago metropolitan area.
-
B.
Berwyn station
Berwyn station is a commuter rail stop in Berwyn, Illinois, served by Metra trains on the BNSF Railway Line connecting the suburb to downtown Chicago.
-
C.
Dempster–Skokie station
Dempster–Skokie station is a Chicago Transit Authority rapid transit station in Skokie, Illinois, serving as the northern endpoint of the Yellow Line and a key park-and-ride hub for commuters.
-
D.
Park Ridge station
Park Ridge station is a commuter rail stop in Park Ridge, Illinois, serving Metra trains that connect the suburb with Chicago and surrounding areas.
-
E.
Downers Grove Main Street station
Downers Grove Main Street station is a commuter rail station in Downers Grove, Illinois, serving as a key stop for suburban passengers traveling to and from downtown Chicago.
- F. None of above. chosen
Provenance (5 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_69a885fceb2c8190b47e0f7c0aefbff0 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a9090c8e488190aa25893c5ef0fe22 |
completed | March 5, 2026, 4:39 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad719f91cc8190aaacaa583098732a |
completed | March 8, 2026, 12:54 p.m. |
| NEDg | Description generation | batch_69ad72016c3c8190ac3bd11bab59fdf0 |
completed | March 8, 2026, 12:56 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad7277b5f081908a8af047032aa15a |
completed | March 8, 2026, 12:58 p.m. |
Created at: March 4, 2026, 7:27 p.m.