Triple
T2254874
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northwestern Elevated Railroad |
E49697
|
entity |
| Predicate | servedStation |
P726
|
FINISHED |
| Object |
Wilson station (Chicago "L")
Wilson station is a Chicago "L" rapid transit stop in the Uptown neighborhood, serving the Red Line and acting as a key transfer and bus connection point on the city’s North Side.
|
E252489
|
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: Wilson station (Chicago "L") | Statement: [Northwestern Elevated Railroad, servedStation, Wilson station (Chicago "L")]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Wilson station (Chicago "L") Context triple: [Northwestern Elevated Railroad, servedStation, Wilson station (Chicago "L")]
-
A.
Clark/Lake station (CTA)
Clark/Lake station (CTA) is a major elevated and subway transfer station in downtown Chicago’s Loop, serving multiple Chicago 'L' lines and providing convenient access to nearby civic and commercial destinations.
-
B.
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.
-
C.
Washington/Wells station (CTA)
Washington/Wells station (CTA) is an elevated Chicago 'L' train station in the Loop that serves multiple lines and provides convenient access to downtown civic and commercial destinations.
-
D.
Illinois Medical District station
Illinois Medical District station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the Illinois Medical District and nearby West Side institutions.
-
E.
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.
- 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: Wilson station (Chicago "L") Triple: [Northwestern Elevated Railroad, servedStation, Wilson station (Chicago "L")]
Generated description
Wilson station is a Chicago "L" rapid transit stop in the Uptown neighborhood, serving the Red Line and acting as a key transfer and bus connection point on the city’s North Side.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Wilson station (Chicago "L") Target entity description: Wilson station is a Chicago "L" rapid transit stop in the Uptown neighborhood, serving the Red Line and acting as a key transfer and bus connection point on the city’s North Side.
-
A.
Clark/Lake station (CTA)
Clark/Lake station (CTA) is a major elevated and subway transfer station in downtown Chicago’s Loop, serving multiple Chicago 'L' lines and providing convenient access to nearby civic and commercial destinations.
-
B.
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.
-
C.
Washington/Wells station (CTA)
Washington/Wells station (CTA) is an elevated Chicago 'L' train station in the Loop that serves multiple lines and provides convenient access to downtown civic and commercial destinations.
-
D.
Illinois Medical District station
Illinois Medical District station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the Illinois Medical District and nearby West Side institutions.
-
E.
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.
- 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_69a88aaa9250819095e127d0d77e8a32 |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc121af78819085b2e601d2f9bcdf |
completed | March 7, 2026, 6:09 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae7f067f208190a399e2b1a83badd1 |
completed | March 9, 2026, 8:04 a.m. |
| NEDg | Description generation | batch_69ae7faa64e48190b82e48165a931598 |
completed | March 9, 2026, 8:07 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae801a87a88190ae461ca164b358a4 |
completed | March 9, 2026, 8:08 a.m. |
Created at: March 4, 2026, 7:47 p.m.