Triple
T5097223
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ashland station (CTA Orange Line) |
E114894
|
entity |
| Predicate | servesCorridor |
P2566
|
FINISHED |
| Object |
Southwest Side–Loop corridor via Orange Line
The Southwest Side–Loop corridor via Orange Line is a rapid transit route of Chicago’s 'L' system that links the city’s Southwest Side neighborhoods with the downtown Loop.
|
E495039
|
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: Southwest Side–Loop corridor via Orange Line | Statement: [Ashland station (CTA Orange Line), servesCorridor, Southwest Side–Loop corridor via Orange Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southwest Side–Loop corridor via Orange Line Context triple: [Ashland station (CTA Orange Line), servesCorridor, Southwest Side–Loop corridor via Orange Line]
-
A.
Orange Line at Clark/Lake
The Orange Line at Clark/Lake is a Chicago 'L' rapid transit route serving the Loop and Midway Airport, intersecting multiple CTA lines at the busy Clark/Lake station.
-
B.
Purple Line (CTA)
The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
-
C.
O'Hare–Forest Park corridor
The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
-
D.
IND 63rd Street Line
The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
-
E.
Orange Line
The Orange Line is a light rail route in the Dallas Area Rapid Transit (DART) system serving key destinations including Dallas/Fort Worth International Airport and several northern suburbs.
- 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: Southwest Side–Loop corridor via Orange Line Triple: [Ashland station (CTA Orange Line), servesCorridor, Southwest Side–Loop corridor via Orange Line]
Generated description
The Southwest Side–Loop corridor via Orange Line is a rapid transit route of Chicago’s 'L' system that links the city’s Southwest Side neighborhoods with the downtown Loop.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Southwest Side–Loop corridor via Orange Line Target entity description: The Southwest Side–Loop corridor via Orange Line is a rapid transit route of Chicago’s 'L' system that links the city’s Southwest Side neighborhoods with the downtown Loop.
-
A.
Orange Line at Clark/Lake
The Orange Line at Clark/Lake is a Chicago 'L' rapid transit route serving the Loop and Midway Airport, intersecting multiple CTA lines at the busy Clark/Lake station.
-
B.
Purple Line (CTA)
The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
-
C.
O'Hare–Forest Park corridor
The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
-
D.
IND 63rd Street Line
The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
-
E.
Orange Line
The Orange Line is a light rail route in the Dallas Area Rapid Transit (DART) system serving key destinations including Dallas/Fort Worth International Airport and several northern suburbs.
- 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_69bd443fc49c819089629c00e311310c |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd75669afc81908a8db897fe56eccd |
completed | March 20, 2026, 4:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69beba80aee081908498cbe9d4f2eaa7 |
completed | March 21, 2026, 3:34 p.m. |
| NEDg | Description generation | batch_69bebce93dc48190a43fca47cb5c0bcb |
completed | March 21, 2026, 3:44 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bebe0086bc81908aa38f32952b8902 |
completed | March 21, 2026, 3:49 p.m. |
Created at: March 20, 2026, 1:40 p.m.