Triple
T2690669
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ypsilanti |
E58392
|
entity |
| Predicate | hasHistoricBuilding |
P1098
|
FINISHED |
| Object | Ypsilanti Depot |
E219341
|
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: Ypsilanti Depot | Statement: [Ypsilanti, hasHistoricBuilding, Ypsilanti Depot]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ypsilanti Depot Context triple: [Ypsilanti, hasHistoricBuilding, Ypsilanti Depot]
-
A.
Michigan Central Railroad Depot (Ypsilanti)
chosen
The Michigan Central Railroad Depot in Ypsilanti is a historic 19th-century train station that served as a key stop on the Michigan Central Railroad and now stands as a preserved architectural and transportation landmark.
-
B.
Northumberland Park Depot
Northumberland Park Depot is a major London Underground maintenance and stabling facility serving trains on the Victoria line.
-
C.
Irondale rail yard
Irondale rail yard is a major freight rail facility in Irondale, Alabama, serving as a key hub for train operations, switching, and cargo handling in the region.
-
D.
Watertown Yard
Watertown Yard is a Massachusetts Bay Transportation Authority bus facility and former streetcar yard in Watertown, Massachusetts, serving as a key layover and terminal point for several bus routes.
-
E.
Hillsdale station
Hillsdale station is a Caltrain commuter rail stop in San Mateo, California, serving as a key transit hub for Peninsula commuters.
- 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_69ab4ac269e481909cb317d79e68b75b |
completed | March 6, 2026, 9:44 p.m. |
| NER | Named-entity recognition | batch_69abda0ba2208190ad87763ecbef8c3c |
completed | March 7, 2026, 7:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afaf61b83c8190ab254d927cb908f2 |
completed | March 10, 2026, 5:42 a.m. |
Created at: March 6, 2026, 9:54 p.m.