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.