Triple
T1960488
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ypsilanti, Michigan |
E42372
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Michigan Central Railroad Depot (Ypsilanti)
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.
|
E219341
|
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: Michigan Central Railroad Depot (Ypsilanti) | Statement: [Ypsilanti, Michigan, hasLandmark, Michigan Central Railroad Depot (Ypsilanti)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Michigan Central Railroad Depot (Ypsilanti) Context triple: [Ypsilanti, Michigan, hasLandmark, Michigan Central Railroad Depot (Ypsilanti)]
-
A.
Michigan Central Railroad
Michigan Central Railroad was a major 19th- and early 20th-century American railroad company that operated key passenger and freight routes across Michigan and the Great Lakes region, connecting to Chicago and the broader Midwest rail network.
-
B.
Thomas Edison Depot Museum
The Thomas Edison Depot Museum is a historical museum in Port Huron, Michigan, dedicated to the early life and inventions of Thomas Edison, housed in the former railroad depot where he once worked.
-
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.
Allen Park, Michigan
Allen Park, Michigan is a suburban city in Wayne County known for its residential neighborhoods and proximity to Detroit and major automotive industry facilities.
-
E.
Ann Arbor Railroad (original)
The Ann Arbor Railroad (original) was a regional railroad in Michigan and Ohio that operated from the late 19th century into the 20th century, known for its north–south route and car ferry operations across Lake Michigan.
- 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: Michigan Central Railroad Depot (Ypsilanti) Triple: [Ypsilanti, Michigan, hasLandmark, Michigan Central Railroad Depot (Ypsilanti)]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Michigan Central Railroad Depot (Ypsilanti) Target entity description: 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.
-
A.
Michigan Central Railroad
Michigan Central Railroad was a major 19th- and early 20th-century American railroad company that operated key passenger and freight routes across Michigan and the Great Lakes region, connecting to Chicago and the broader Midwest rail network.
-
B.
Thomas Edison Depot Museum
The Thomas Edison Depot Museum is a historical museum in Port Huron, Michigan, dedicated to the early life and inventions of Thomas Edison, housed in the former railroad depot where he once worked.
-
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.
Allen Park, Michigan
Allen Park, Michigan is a suburban city in Wayne County known for its residential neighborhoods and proximity to Detroit and major automotive industry facilities.
-
E.
Ann Arbor Railroad (original)
The Ann Arbor Railroad (original) was a regional railroad in Michigan and Ohio that operated from the late 19th century into the 20th century, known for its north–south route and car ferry operations across Lake Michigan.
- 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_69a8870eea088190a38781990812a9bc |
completed | March 4, 2026, 7:25 p.m. |
| NER | Named-entity recognition | batch_69abb380bfc08190ae80f8e6570494b8 |
completed | March 7, 2026, 5:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adfbcea048819091d705095f0d3f68 |
completed | March 8, 2026, 10:44 p.m. |
| NEDg | Description generation | batch_69adfc8efb0c81908bce5a4a13359801 |
completed | March 8, 2026, 10:47 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adfd8115d481909716e11b943cbf61 |
completed | March 8, 2026, 10:51 p.m. |
Created at: March 4, 2026, 7:36 p.m.