Triple
T6317023
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra Union Pacific North Line |
E141640
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Winnetka station
Winnetka station is a commuter rail stop in Winnetka, Illinois, serving passengers traveling between Chicago and northern suburbs on Metra’s Union Pacific North Line.
|
E589289
|
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: Winnetka station | Statement: [Metra Union Pacific North Line, hasStation, Winnetka station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Winnetka station Context triple: [Metra Union Pacific North Line, hasStation, Winnetka station]
-
A.
Franklin Park station
Franklin Park station is a commuter rail stop in Franklin Park, Illinois, served by Metra’s North Central Service and Milwaukee District/West lines.
-
B.
Plainfield station
Plainfield station is a New Jersey Transit commuter rail stop in Plainfield, New Jersey, serving passengers on the Raritan Valley Line.
-
C.
Melrose Park station
Melrose Park station is a commuter rail stop in the Chicago metropolitan area serving passengers in and around Melrose Park, Illinois.
-
D.
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.
-
E.
Elmhurst station
Elmhurst station is a commuter rail stop in Elmhurst, Illinois, on Metra's Union Pacific West Line serving passengers traveling between the western suburbs and 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: Winnetka station Triple: [Metra Union Pacific North Line, hasStation, Winnetka station]
Generated description
Winnetka station is a commuter rail stop in Winnetka, Illinois, serving passengers traveling between Chicago and northern suburbs on Metra’s Union Pacific North Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Winnetka station Target entity description: Winnetka station is a commuter rail stop in Winnetka, Illinois, serving passengers traveling between Chicago and northern suburbs on Metra’s Union Pacific North Line.
-
A.
Franklin Park station
Franklin Park station is a commuter rail stop in Franklin Park, Illinois, served by Metra’s North Central Service and Milwaukee District/West lines.
-
B.
Plainfield station
Plainfield station is a New Jersey Transit commuter rail stop in Plainfield, New Jersey, serving passengers on the Raritan Valley Line.
-
C.
Melrose Park station
Melrose Park station is a commuter rail stop in the Chicago metropolitan area serving passengers in and around Melrose Park, Illinois.
-
D.
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.
-
E.
Elmhurst station
Elmhurst station is a commuter rail stop in Elmhurst, Illinois, on Metra's Union Pacific West Line serving passengers traveling between the western suburbs and 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_69c008d13b8c8190be47d896eb735605 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c064c25530819080b29e0029175c00 |
completed | March 22, 2026, 9:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c62d33d70c8190af6acdf5158f9067 |
completed | March 27, 2026, 7:09 a.m. |
| NEDg | Description generation | batch_69c62fa58174819097f44cb638184b63 |
completed | March 27, 2026, 7:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6335f2e588190960713f994aa36eb |
completed | March 27, 2026, 7:35 a.m. |
Created at: March 22, 2026, 4:29 p.m.