Triple
T5650927
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Medinah, Illinois |
E124505
|
entity |
| Predicate | transportServedBy |
P1298
|
FINISHED |
| Object |
Medinah station
Medinah station is a commuter rail stop in Medinah, Illinois, served by Metra’s Milwaukee District/West Line.
|
E535371
|
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: Medinah station | Statement: [Medinah, Illinois, transportServedBy, Medinah station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Medinah station Context triple: [Medinah, Illinois, transportServedBy, Medinah station]
-
A.
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.
-
B.
Westmont station
Westmont station is a commuter rail stop in Westmont, Illinois, serving Metra’s BNSF Railway Line between Chicago and its western suburbs.
-
C.
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.
-
D.
Westlake/MacArthur Park station
Westlake/MacArthur Park station is a major Los Angeles Metro Rail subway stop near downtown Los Angeles, serving as a busy transit hub for the surrounding Westlake and MacArthur Park neighborhoods.
-
E.
River Grove station
River Grove station is a commuter rail stop in River Grove, Illinois, served by Metra’s North Central Service line in the Chicago metropolitan area.
- 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: Medinah station Triple: [Medinah, Illinois, transportServedBy, Medinah station]
Generated description
Medinah station is a commuter rail stop in Medinah, Illinois, served by Metra’s Milwaukee District/West Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Medinah station Target entity description: Medinah station is a commuter rail stop in Medinah, Illinois, served by Metra’s Milwaukee District/West Line.
-
A.
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.
-
B.
Westmont station
Westmont station is a commuter rail stop in Westmont, Illinois, serving Metra’s BNSF Railway Line between Chicago and its western suburbs.
-
C.
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.
-
D.
Westlake/MacArthur Park station
Westlake/MacArthur Park station is a major Los Angeles Metro Rail subway stop near downtown Los Angeles, serving as a busy transit hub for the surrounding Westlake and MacArthur Park neighborhoods.
-
E.
River Grove station
River Grove station is a commuter rail stop in River Grove, Illinois, served by Metra’s North Central Service line in the Chicago metropolitan area.
- 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_69c00825df388190a58742fa9b1aa33d |
completed | March 22, 2026, 3:17 p.m. |
| NER | Named-entity recognition | batch_69c022d4ca788190b20168b20cb1d030 |
completed | March 22, 2026, 5:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c04d90c04881908740fb1089c5248a |
completed | March 22, 2026, 8:14 p.m. |
| NEDg | Description generation | batch_69c04edcc0208190bd69b5cce89596f9 |
completed | March 22, 2026, 8:19 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c04ff814b88190ad01844ae2629c6e |
completed | March 22, 2026, 8:24 p.m. |
Created at: March 22, 2026, 3:42 p.m.