Triple
T779174
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (CTA) |
E16457
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Rosemont station
Rosemont station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the suburb of Rosemont near O'Hare International Airport.
|
E129393
|
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: Rosemont station | Statement: [Blue Line (CTA), hasStation, Rosemont station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rosemont station Context triple: [Blue Line (CTA), hasStation, Rosemont station]
-
A.
Dempster–Skokie station
Dempster–Skokie station is a Chicago Transit Authority rapid transit station in Skokie, Illinois, serving as the northern endpoint of the Yellow Line and a key park-and-ride hub for commuters.
-
B.
LaSalle/Van Buren station
LaSalle/Van Buren station is a Chicago 'L' rapid transit stop in the Loop that serves multiple lines and connects to the nearby LaSalle Street commuter rail station.
-
C.
Minnesota Avenue station
Minnesota Avenue station is an elevated Washington Metro stop in Northeast Washington, D.C., serving the Orange Line near the Anacostia River.
-
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.
Quincy station (CTA)
Quincy station (CTA) is a historic elevated rapid transit stop in downtown Chicago’s Loop, known for its preserved 19th-century architecture and service to multiple ‘L’ lines including the Orange Line.
- 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: Rosemont station Triple: [Blue Line (CTA), hasStation, Rosemont station]
Generated description
Rosemont station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the suburb of Rosemont near O'Hare International Airport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Rosemont station Target entity description: Rosemont station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the suburb of Rosemont near O'Hare International Airport.
-
A.
Dempster–Skokie station
Dempster–Skokie station is a Chicago Transit Authority rapid transit station in Skokie, Illinois, serving as the northern endpoint of the Yellow Line and a key park-and-ride hub for commuters.
-
B.
LaSalle/Van Buren station
LaSalle/Van Buren station is a Chicago 'L' rapid transit stop in the Loop that serves multiple lines and connects to the nearby LaSalle Street commuter rail station.
-
C.
Minnesota Avenue station
Minnesota Avenue station is an elevated Washington Metro stop in Northeast Washington, D.C., serving the Orange Line near the Anacostia River.
-
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.
Quincy station (CTA)
Quincy station (CTA) is a historic elevated rapid transit stop in downtown Chicago’s Loop, known for its preserved 19th-century architecture and service to multiple ‘L’ lines including the Orange Line.
- 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_69a4936ad1fc81908f190208059ccf78 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a74f886081909c27b786e3adbe32 |
completed | March 1, 2026, 8:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac598bddf88190afc565deec2357a1 |
completed | March 7, 2026, 4:59 p.m. |
| NEDg | Description generation | batch_69ac5a8106f881908889e779b43931b9 |
completed | March 7, 2026, 5:04 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac5ae66abc81909f1d9a563e9e7248 |
completed | March 7, 2026, 5:05 p.m. |
Created at: March 1, 2026, 7:37 p.m.