Triple
T8876151
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brookfield station |
E211288
|
entity |
| Predicate | formerName |
P65
|
FINISHED |
| Object |
Grossdale station
Grossdale station is the original name of the Metra commuter rail station now known as Brookfield station in Brookfield, Illinois.
|
E765227
|
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: Grossdale station | Statement: [Brookfield station, formerName, Grossdale station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Grossdale station Context triple: [Brookfield station, formerName, Grossdale station]
-
A.
Dee Road station
Dee Road station is a commuter rail stop in Park Ridge, Illinois, served by Metra’s Union Pacific Northwest Line.
-
B.
Thorndale station
Thorndale station is a SEPTA Regional Rail station in Thorndale, Pennsylvania, serving as the western endpoint of commuter rail service on the Paoli/Thorndale Line.
-
C.
Donlands station
Donlands station is a subway station on Line 2 Bloor–Danforth of the Toronto Transit Commission, serving Toronto’s east end.
-
D.
Stonebridge Park station
Stonebridge Park station is a railway and London Underground station in north-west London served by the Bakerloo line and London Overground.
-
E.
Torresdale Station
Torresdale Station is a commuter rail station in the Torresdale neighborhood of Northeast Philadelphia that serves passengers on SEPTA’s Trenton 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: Grossdale station Triple: [Brookfield station, formerName, Grossdale station]
Generated description
Grossdale station is the original name of the Metra commuter rail station now known as Brookfield station in Brookfield, Illinois.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Grossdale station Target entity description: Grossdale station is the original name of the Metra commuter rail station now known as Brookfield station in Brookfield, Illinois.
-
A.
Dee Road station
Dee Road station is a commuter rail stop in Park Ridge, Illinois, served by Metra’s Union Pacific Northwest Line.
-
B.
Thorndale station
Thorndale station is a SEPTA Regional Rail station in Thorndale, Pennsylvania, serving as the western endpoint of commuter rail service on the Paoli/Thorndale Line.
-
C.
Donlands station
Donlands station is a subway station on Line 2 Bloor–Danforth of the Toronto Transit Commission, serving Toronto’s east end.
-
D.
Stonebridge Park station
Stonebridge Park station is a railway and London Underground station in north-west London served by the Bakerloo line and London Overground.
-
E.
Torresdale Station
Torresdale Station is a commuter rail station in the Torresdale neighborhood of Northeast Philadelphia that serves passengers on SEPTA’s Trenton 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_69ca838e78748190934d82db3104f855 |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc61472cc081909e51b4a35a20ef43 |
completed | April 1, 2026, 12:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfaba6f2f481909a30f71e96bc9079 |
completed | April 3, 2026, 11:59 a.m. |
| NEDg | Description generation | batch_69cfadb1cd848190ac8b59518591761c |
completed | April 3, 2026, 12:08 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfae30e3b881909cfc7c560b7ca485 |
completed | April 3, 2026, 12:10 p.m. |
Created at: March 30, 2026, 6:52 p.m.