Triple
T11698774
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Michigan City 11th Street station |
E278065
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object |
South Shore Line stations
South Shore Line stations are passenger rail stops along the South Shore Line commuter rail route connecting Chicago with communities in northern Indiana.
|
E932705
|
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: South Shore Line stations | Statement: [Michigan City 11th Street station, category, South Shore Line stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Shore Line stations Context triple: [Michigan City 11th Street station, category, South Shore Line stations]
-
A.
Gary Metro Center (South Shore Line)
Gary Metro Center (South Shore Line) is a commuter rail station in downtown Gary, Indiana, serving as a key stop on the South Shore Line between Chicago and South Bend.
-
B.
Beverly Shores station (South Shore Line)
Beverly Shores station (South Shore Line) is a historic commuter rail station in Beverly Shores, Indiana, on the South Shore Line between Chicago and South Bend.
-
C.
Mundelein station
Mundelein station is a commuter rail stop in Mundelein, Illinois, serving passengers on Metra’s North Central Service line between Chicago and its northern suburbs.
-
D.
Grayslake station
Grayslake station is a commuter rail stop in Grayslake, Illinois, serving passengers on Metra’s Milwaukee District/North Line.
-
E.
South Chicago Branch of Metra Electric District
The South Chicago Branch of Metra Electric District is a commuter rail line on Chicago’s South Side that provides electric train service between downtown Chicago and the South Chicago neighborhood.
- 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: South Shore Line stations Triple: [Michigan City 11th Street station, category, South Shore Line stations]
Generated description
South Shore Line stations are passenger rail stops along the South Shore Line commuter rail route connecting Chicago with communities in northern Indiana.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: South Shore Line stations Target entity description: South Shore Line stations are passenger rail stops along the South Shore Line commuter rail route connecting Chicago with communities in northern Indiana.
-
A.
Gary Metro Center (South Shore Line)
chosen
Gary Metro Center (South Shore Line) is a commuter rail station in downtown Gary, Indiana, serving as a key stop on the South Shore Line between Chicago and South Bend.
-
B.
Beverly Shores station (South Shore Line)
Beverly Shores station (South Shore Line) is a historic commuter rail station in Beverly Shores, Indiana, on the South Shore Line between Chicago and South Bend.
-
C.
Mundelein station
Mundelein station is a commuter rail stop in Mundelein, Illinois, serving passengers on Metra’s North Central Service line between Chicago and its northern suburbs.
-
D.
Grayslake station
Grayslake station is a commuter rail stop in Grayslake, Illinois, serving passengers on Metra’s Milwaukee District/North Line.
-
E.
South Chicago Branch of Metra Electric District
The South Chicago Branch of Metra Electric District is a commuter rail line on Chicago’s South Side that provides electric train service between downtown Chicago and the South Chicago neighborhood.
- F. None of above.
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_69d6aafe02d881909900d54ad7d4af84 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a47df68c81908a91919a69b4880d |
completed | April 10, 2026, 7:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ef147e2e10819085eaed83fd955b6b |
completed | April 27, 2026, 7:47 a.m. |
| NEDg | Description generation | batch_69ef3553a1748190b554463bcea8bd1d |
completed | April 27, 2026, 10:07 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ef51fe3824819099f440426d3e6888 |
completed | April 27, 2026, 12:09 p.m. |
Created at: April 8, 2026, 9:40 p.m.