Triple
T11902171
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thorndale station (Chicago "L") |
E283177
|
entity |
| Predicate | isPartOfCorridor |
P35
|
FINISHED |
| Object |
Howard–95th/Dan Ryan Red Line corridor
The Howard–95th/Dan Ryan Red Line corridor is the primary north–south rapid transit route of Chicago’s "L" system, running from Howard on the North Side through downtown to 95th/Dan Ryan on the South Side.
|
E953744
|
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: Howard–95th/Dan Ryan Red Line corridor | Statement: [Thorndale station (Chicago "L"), isPartOfCorridor, Howard–95th/Dan Ryan Red Line corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howard–95th/Dan Ryan Red Line corridor Context triple: [Thorndale station (Chicago "L"), isPartOfCorridor, Howard–95th/Dan Ryan Red Line corridor]
-
A.
Red Line Northwest Extension corridor
The Red Line Northwest Extension corridor is a planned expansion route of Boston's MBTA Red Line intended to extend rapid transit service northwest from its current terminus.
-
B.
Red Line northwest branch
The Red Line northwest branch is a planned rapid transit extension serving the northwestern suburbs as part of the Red Line’s expanded corridor.
-
C.
Fourth Avenue Line
The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
-
D.
Monroe (Red Line)
Monroe (Red Line) is a Chicago 'L' rapid transit station in the Loop located in the median of State Street and served by the Red Line.
-
E.
Green Line light rail corridor
The Green Line light rail corridor is a major transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis and downtown St. Paul, running through several neighborhoods and commercial districts along the way.
- 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: Howard–95th/Dan Ryan Red Line corridor Triple: [Thorndale station (Chicago "L"), isPartOfCorridor, Howard–95th/Dan Ryan Red Line corridor]
Generated description
The Howard–95th/Dan Ryan Red Line corridor is the primary north–south rapid transit route of Chicago’s "L" system, running from Howard on the North Side through downtown to 95th/Dan Ryan on the South Side.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Howard–95th/Dan Ryan Red Line corridor Target entity description: The Howard–95th/Dan Ryan Red Line corridor is the primary north–south rapid transit route of Chicago’s "L" system, running from Howard on the North Side through downtown to 95th/Dan Ryan on the South Side.
-
A.
Red Line Northwest Extension corridor
The Red Line Northwest Extension corridor is a planned expansion route of Boston's MBTA Red Line intended to extend rapid transit service northwest from its current terminus.
-
B.
Red Line northwest branch
The Red Line northwest branch is a planned rapid transit extension serving the northwestern suburbs as part of the Red Line’s expanded corridor.
-
C.
Fourth Avenue Line
The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
-
D.
Monroe (Red Line)
Monroe (Red Line) is a Chicago 'L' rapid transit station in the Loop located in the median of State Street and served by the Red Line.
-
E.
Green Line light rail corridor
The Green Line light rail corridor is a major transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis and downtown St. Paul, running through several neighborhoods and commercial districts along the way.
- 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_69d6ab2c07e88190ba13b0d21fd6cf33 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d8dd1792648190853f15fbf217eebd |
completed | April 10, 2026, 11:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f4183d29b081908cfbf4d91a365681 |
completed | May 1, 2026, 3:04 a.m. |
| NEDg | Description generation | batch_69f41f1d2da0819082f00cf61a6530b6 |
completed | May 1, 2026, 3:33 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f4228a73708190a6d2db321e175921 |
completed | May 1, 2026, 3:48 a.m. |
Created at: April 8, 2026, 9:44 p.m.