Triple
T5270232
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Missouri River Runner |
E119237
|
entity |
| Predicate | endStation |
P3569
|
FINISHED |
| Object |
St. Louis Gateway Transportation Center
St. Louis Gateway Transportation Center is a major intermodal transit hub in downtown St. Louis, Missouri, serving Amtrak trains, intercity buses, and local transit services.
|
E508722
|
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: St. Louis Gateway Transportation Center | Statement: [Amtrak Missouri River Runner, endStation, St. Louis Gateway Transportation Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: St. Louis Gateway Transportation Center Context triple: [Amtrak Missouri River Runner, endStation, St. Louis Gateway Transportation Center]
-
A.
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.
-
B.
Anderson Regional Transportation Center
Anderson Regional Transportation Center is a major intermodal transit hub in Woburn, Massachusetts, serving commuter rail and bus passengers traveling to and from the Greater Boston area.
-
C.
Gateway Transit Center
Gateway Transit Center is a major multimodal transit hub in Portland, Oregon, serving light rail, buses, and other regional connections.
-
D.
Aurora Transportation Center
Aurora Transportation Center is a major commuter rail and bus hub in Aurora, Illinois, serving as the western terminus for Metra’s BNSF Railway Line and a key regional transit center.
-
E.
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.
- 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: St. Louis Gateway Transportation Center Triple: [Amtrak Missouri River Runner, endStation, St. Louis Gateway Transportation Center]
Generated description
St. Louis Gateway Transportation Center is a major intermodal transit hub in downtown St. Louis, Missouri, serving Amtrak trains, intercity buses, and local transit services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: St. Louis Gateway Transportation Center Target entity description: St. Louis Gateway Transportation Center is a major intermodal transit hub in downtown St. Louis, Missouri, serving Amtrak trains, intercity buses, and local transit services.
-
A.
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.
-
B.
Anderson Regional Transportation Center
Anderson Regional Transportation Center is a major intermodal transit hub in Woburn, Massachusetts, serving commuter rail and bus passengers traveling to and from the Greater Boston area.
-
C.
Gateway Transit Center
Gateway Transit Center is a major multimodal transit hub in Portland, Oregon, serving light rail, buses, and other regional connections.
-
D.
Aurora Transportation Center
Aurora Transportation Center is a major commuter rail and bus hub in Aurora, Illinois, serving as the western terminus for Metra’s BNSF Railway Line and a key regional transit center.
-
E.
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.
- 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_69bd446c38e081908cdaf113bdf86790 |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd7bff37cc819095423cf914086c1b |
completed | March 20, 2026, 4:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf06cb5f788190b9ee79ca15da9d58 |
completed | March 21, 2026, 8:59 p.m. |
| NEDg | Description generation | batch_69bf08e009788190ae74e25f35ccf100 |
completed | March 21, 2026, 9:08 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf0979c11c8190bc5c3957d098d8d5 |
completed | March 21, 2026, 9:11 p.m. |
Created at: March 20, 2026, 1:51 p.m.