Triple
T6317020
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra Union Pacific North Line |
E141640
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Clybourn station
Clybourn station is a commuter rail stop in Chicago, Illinois, serving Metra passengers on multiple Union Pacific lines.
|
E592037
|
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: Clybourn station | Statement: [Metra Union Pacific North Line, hasStation, Clybourn station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Clybourn station Context triple: [Metra Union Pacific North Line, hasStation, Clybourn station]
-
A.
North/Clybourn station
North/Clybourn station is a Chicago "L" rapid transit stop on the Red Line located near the intersection of North Avenue and Clybourn Avenue on the city's Near North Side.
-
B.
Nicollet Mall Station
Nicollet Mall Station is a light rail stop in downtown Minneapolis serving the METRO Blue Line and providing access to the city’s central business and shopping district.
-
C.
Chicago (Brown Line) station
Chicago (Brown Line) station is an 'L' rapid transit stop in Chicago, Illinois, serving the CTA's Brown Line trains.
-
D.
Metra Rock Island District 35th Street station
Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
-
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: Clybourn station Triple: [Metra Union Pacific North Line, hasStation, Clybourn station]
Generated description
Clybourn station is a commuter rail stop in Chicago, Illinois, serving Metra passengers on multiple Union Pacific lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Clybourn station Target entity description: Clybourn station is a commuter rail stop in Chicago, Illinois, serving Metra passengers on multiple Union Pacific lines.
-
A.
North/Clybourn station
North/Clybourn station is a Chicago "L" rapid transit stop on the Red Line located near the intersection of North Avenue and Clybourn Avenue on the city's Near North Side.
-
B.
Nicollet Mall Station
Nicollet Mall Station is a light rail stop in downtown Minneapolis serving the METRO Blue Line and providing access to the city’s central business and shopping district.
-
C.
Chicago (Brown Line) station
Chicago (Brown Line) station is an 'L' rapid transit stop in Chicago, Illinois, serving the CTA's Brown Line trains.
-
D.
Metra Rock Island District 35th Street station
Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
-
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_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_69c640aa8b608190ab834e77613f5218 |
completed | March 27, 2026, 8:32 a.m. |
| NEDg | Description generation | batch_69c641a5a6888190aa1ca79a64a9d3bb |
completed | March 27, 2026, 8:36 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6420f40d0819097332359671a8a08 |
completed | March 27, 2026, 8:38 a.m. |
Created at: March 22, 2026, 4:29 p.m.