Triple
T1893127
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cardinal (train) |
E41916
|
entity |
| Predicate | hasMajorStation |
P1071
|
FINISHED |
| Object |
Indianapolis Union Station
Indianapolis Union Station is a historic railway terminal in downtown Indianapolis, Indiana, notable as one of the first union stations in the United States and a key Midwestern passenger rail hub.
|
E215663
|
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: Indianapolis Union Station | Statement: [Cardinal (train), hasMajorStation, Indianapolis Union Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Indianapolis Union Station Context triple: [Cardinal (train), hasMajorStation, Indianapolis Union Station]
-
A.
Springfield Union Station
Springfield Union Station is a historic intermodal transportation hub in downtown Springfield, Massachusetts, serving as a major regional center for rail and bus travel.
-
B.
Chicago Union Station
Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
-
C.
Kansas City Union Station
Kansas City Union Station is a historic Beaux-Arts train station and cultural landmark in Kansas City, Missouri, now housing museums, exhibits, theaters, and public events.
-
D.
Washington/Wabash station
Washington/Wabash station is a Chicago 'L' rapid transit station in the Loop that serves multiple elevated lines and replaced the former Randolph/Wabash and Madison/Wabash stations.
-
E.
Union Station
Union Station is a historic former railroad terminal in St. Louis that has been transformed into a mixed-use complex featuring attractions, dining, and entertainment.
- 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: Indianapolis Union Station Triple: [Cardinal (train), hasMajorStation, Indianapolis Union Station]
Generated description
Indianapolis Union Station is a historic railway terminal in downtown Indianapolis, Indiana, notable as one of the first union stations in the United States and a key Midwestern passenger rail hub.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Indianapolis Union Station Target entity description: Indianapolis Union Station is a historic railway terminal in downtown Indianapolis, Indiana, notable as one of the first union stations in the United States and a key Midwestern passenger rail hub.
-
A.
Springfield Union Station
Springfield Union Station is a historic intermodal transportation hub in downtown Springfield, Massachusetts, serving as a major regional center for rail and bus travel.
-
B.
Chicago Union Station
Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
-
C.
Kansas City Union Station
Kansas City Union Station is a historic Beaux-Arts train station and cultural landmark in Kansas City, Missouri, now housing museums, exhibits, theaters, and public events.
-
D.
Washington/Wabash station
Washington/Wabash station is a Chicago 'L' rapid transit station in the Loop that serves multiple elevated lines and replaced the former Randolph/Wabash and Madison/Wabash stations.
-
E.
Union Station
Union Station is a historic former railroad terminal in St. Louis that has been transformed into a mixed-use complex featuring attractions, dining, and entertainment.
- 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_69a8864b6de0819098d089f6a1b910a7 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb1480a6c81909fcf5cce4c42fed4 |
completed | March 7, 2026, 5:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adf3ced4708190ba3d5131039691e8 |
completed | March 8, 2026, 10:10 p.m. |
| NEDg | Description generation | batch_69adf5072b18819091585565cf4579ba |
completed | March 8, 2026, 10:15 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adf541fe5481908e277bfc4eb442fa |
completed | March 8, 2026, 10:16 p.m. |
Created at: March 4, 2026, 7:34 p.m.