Triple
T2121474
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTrail Hartford Line |
E43932
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Springfield Union Station |
E138786
|
NE FINISHED |
How this triple was built (2 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: Springfield Union Station | Statement: [CTrail Hartford Line, terminus, Springfield Union Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Springfield Union Station Context triple: [CTrail Hartford Line, terminus, Springfield Union Station]
-
A.
Springfield Union Station
chosen
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.
Springfield Amtrak station
Springfield Amtrak station is a passenger rail station in downtown Springfield, Illinois, serving Amtrak trains on major routes through the region.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a88717cfe48190b7ecdd68c824848a |
completed | March 4, 2026, 7:25 p.m. |
| NER | Named-entity recognition | batch_69abbb51e8088190a1aeafee4e8dff63 |
completed | March 7, 2026, 5:44 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae5d8e61d48190af0becdc5a040cd9 |
completed | March 9, 2026, 5:41 a.m. |
Created at: March 4, 2026, 7:44 p.m.