Triple
T2254885
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northwestern Elevated Railroad |
E49697
|
entity |
| Predicate | servedStation |
P726
|
FINISHED |
| Object |
Berwyn station (Chicago "L")
Berwyn station is a Chicago "L" rapid transit stop on the Red Line located in the Edgewater neighborhood on the city's North Side.
|
E278481
|
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: Berwyn station (Chicago "L") | Statement: [Northwestern Elevated Railroad, servedStation, Berwyn station (Chicago "L")]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Berwyn station (Chicago "L") Context triple: [Northwestern Elevated Railroad, servedStation, Berwyn station (Chicago "L")]
-
A.
Chicago/Franklin station (Chicago "L")
Chicago/Franklin station was a former elevated rapid transit stop on Chicago’s "L" system that operated on the North Side main line near the city’s River North area.
-
B.
Sedgwick station (Chicago "L")
Sedgwick station is a historic Chicago "L" rapid transit stop on the city's North Side that has operated since the early 20th century.
-
C.
Diversey station (Chicago "L")
Diversey station is an elevated Chicago "L" rapid transit stop located in the Lincoln Park neighborhood, serving Brown and Purple Line trains.
-
D.
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.
-
E.
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.
- 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: Berwyn station (Chicago "L") Triple: [Northwestern Elevated Railroad, servedStation, Berwyn station (Chicago "L")]
Generated description
Berwyn station is a Chicago "L" rapid transit stop on the Red Line located in the Edgewater neighborhood on the city's North Side.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Berwyn station (Chicago "L") Target entity description: Berwyn station is a Chicago "L" rapid transit stop on the Red Line located in the Edgewater neighborhood on the city's North Side.
-
A.
Chicago/Franklin station (Chicago "L")
Chicago/Franklin station was a former elevated rapid transit stop on Chicago’s "L" system that operated on the North Side main line near the city’s River North area.
-
B.
Sedgwick station (Chicago "L")
Sedgwick station is a historic Chicago "L" rapid transit stop on the city's North Side that has operated since the early 20th century.
-
C.
Diversey station (Chicago "L")
Diversey station is an elevated Chicago "L" rapid transit stop located in the Lincoln Park neighborhood, serving Brown and Purple Line trains.
-
D.
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.
-
E.
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.
- 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_69af65388fd48190995f778d6438f739 |
completed | March 10, 2026, 12:26 a.m. |
| NEDg | Description generation | batch_69af65f16fc48190a8611279322dd936 |
completed | March 10, 2026, 12:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69af66613dc88190af6a0aa1108a9069 |
completed | March 10, 2026, 12:31 a.m. |
Created at: March 4, 2026, 7:47 p.m.