Triple
T6602003
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Plano, Illinois |
E149019
|
entity |
| Predicate | hasRailStation |
P726
|
FINISHED |
| Object |
Plano station (Metra)
Plano station (Metra) is a commuter rail station in Plano, Illinois, served by Metra's BNSF Railway Line connecting the suburb to Chicago.
|
E601737
|
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: Plano station (Metra) | Statement: [Plano, Illinois, hasRailStation, Plano station (Metra)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Plano station (Metra) Context triple: [Plano, Illinois, hasRailStation, Plano station (Metra)]
-
A.
Arlington Park Metra station
Arlington Park Metra station is a commuter rail station in Arlington Heights, Illinois, providing access to Chicago’s Metra network for visitors to the nearby Arlington International Racecourse and surrounding suburbs.
-
B.
Western Avenue station (Metra)
Western Avenue station (Metra) is a commuter rail stop in Chicago, Illinois, serving Metra’s North Central Service and other lines as part of the city’s regional rail network.
-
C.
Hanover Park Metra station
Hanover Park Metra station is a commuter rail station in Hanover Park, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
-
D.
Metra Rock Island District 35th Street station
Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
-
E.
Barrington Metra station
Barrington Metra station is a commuter rail station in Barrington, Illinois, serving as a stop on Metra's Union Pacific Northwest Line connecting the suburb to downtown Chicago.
- 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: Plano station (Metra) Triple: [Plano, Illinois, hasRailStation, Plano station (Metra)]
Generated description
Plano station (Metra) is a commuter rail station in Plano, Illinois, served by Metra's BNSF Railway Line connecting the suburb to Chicago.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Plano station (Metra) Target entity description: Plano station (Metra) is a commuter rail station in Plano, Illinois, served by Metra's BNSF Railway Line connecting the suburb to Chicago.
-
A.
Arlington Park Metra station
Arlington Park Metra station is a commuter rail station in Arlington Heights, Illinois, providing access to Chicago’s Metra network for visitors to the nearby Arlington International Racecourse and surrounding suburbs.
-
B.
Western Avenue station (Metra)
Western Avenue station (Metra) is a commuter rail stop in Chicago, Illinois, serving Metra’s North Central Service and other lines as part of the city’s regional rail network.
-
C.
Hanover Park Metra station
Hanover Park Metra station is a commuter rail station in Hanover Park, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
-
D.
Metra Rock Island District 35th Street station
Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
-
E.
Barrington Metra station
Barrington Metra station is a commuter rail station in Barrington, Illinois, serving as a stop on Metra's Union Pacific Northwest Line connecting the suburb to downtown Chicago.
- 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_69c687eaa7508190bb58ce2aa02039b3 |
completed | March 27, 2026, 1:36 p.m. |
| NER | Named-entity recognition | batch_69c6aef4a7e08190a685a0febc6378c8 |
completed | March 27, 2026, 4:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6cbc8f1308190a4afcf10a5a7105e |
completed | March 27, 2026, 6:26 p.m. |
| NEDg | Description generation | batch_69c6cd09753c81909df166156ffbf82a |
completed | March 27, 2026, 6:31 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6ce9ba47c819091496c87117e7a03 |
completed | March 27, 2026, 6:38 p.m. |
Created at: March 27, 2026, 1:56 p.m.