Triple
T6255884
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brown Line |
E140162
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Sedgwick station
Sedgwick station is an elevated Chicago 'L' rapid transit stop in the Old Town area, serving trains on the Brown Line (and often the Purple Line Express) of the Chicago Transit Authority.
|
E587729
|
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: Sedgwick station | Statement: [Brown Line, hasStation, Sedgwick station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sedgwick station Context triple: [Brown Line, hasStation, Sedgwick station]
-
A.
Butler station
Butler station is a small MBTA light rail stop on Boston’s historic Mattapan trolley line in the Dorchester/Mattapan area.
-
B.
Scarborough station
Scarborough station is a commuter rail stop on the Hudson Line of the Metro-North Railroad in Westchester County, New York.
-
C.
Poplar station
Poplar station is a light rail stop serving the suburb of Mt. Lebanon in the Pittsburgh, Pennsylvania metropolitan area.
-
D.
Harrison station
Harrison station is a commuter rail stop in Harrison, New Jersey, serving passengers on the PATH rapid transit system between Newark and New York City.
-
E.
Westwood station
Westwood station is a New Jersey Transit commuter rail stop in Westwood, New Jersey, serving passengers on the Pascack Valley 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: Sedgwick station Triple: [Brown Line, hasStation, Sedgwick station]
Generated description
Sedgwick station is an elevated Chicago 'L' rapid transit stop in the Old Town area, serving trains on the Brown Line (and often the Purple Line Express) of the Chicago Transit Authority.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sedgwick station Target entity description: Sedgwick station is an elevated Chicago 'L' rapid transit stop in the Old Town area, serving trains on the Brown Line (and often the Purple Line Express) of the Chicago Transit Authority.
-
A.
Butler station
Butler station is a small MBTA light rail stop on Boston’s historic Mattapan trolley line in the Dorchester/Mattapan area.
-
B.
Scarborough station
Scarborough station is a commuter rail stop on the Hudson Line of the Metro-North Railroad in Westchester County, New York.
-
C.
Poplar station
Poplar station is a light rail stop serving the suburb of Mt. Lebanon in the Pittsburgh, Pennsylvania metropolitan area.
-
D.
Harrison station
Harrison station is a commuter rail stop in Harrison, New Jersey, serving passengers on the PATH rapid transit system between Newark and New York City.
-
E.
Westwood station
Westwood station is a New Jersey Transit commuter rail stop in Westwood, New Jersey, serving passengers on the Pascack Valley 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_69c008b4858c819095b0199114a9a87b |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c063653910819095f1dc3b90ce77db |
completed | March 22, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c62d17de1c8190a1f09c9e00860bcd |
completed | March 27, 2026, 7:09 a.m. |
| NEDg | Description generation | batch_69c62f020d808190a59cbab15a9ca5dc |
completed | March 27, 2026, 7:17 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c62fbbf58881908e872a6a67676fac |
completed | March 27, 2026, 7:20 a.m. |
Created at: March 22, 2026, 4:24 p.m.