Triple

T20179294
Position Surface form Disambiguated ID Type / Status
Subject Twin Cities Zephyr E492682 entity
Predicate primaryTerminus P388 FINISHED
Object Minneapolis Great Northern Depot
Minneapolis Great Northern Depot was a major historic railway station in Minneapolis, Minnesota, that served as a key hub for passenger trains in the Upper Midwest.
 E1418226 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: Minneapolis Great Northern Depot | Statement: [Twin Cities Zephyr, primaryTerminus, Minneapolis Great Northern Depot]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Minneapolis Great Northern Depot
Context triple: [Twin Cities Zephyr, primaryTerminus, Minneapolis Great Northern Depot]
  • A. Union Depot (Saint Paul)
    Union Depot (Saint Paul) is a historic multimodal transportation hub and restored train station in downtown Saint Paul, Minnesota.
  • B. St. Paul station
    St. Paul station is a public transit stop in Dallas, Texas, serving the downtown area as part of the DART light rail system.
  • C. Union Station (Duluth, Minnesota)
    Union Station in Duluth, Minnesota is a historic passenger rail depot designed by the prominent architectural firm Reed and Stem, known for its early 20th-century railroad architecture.
  • D. Fridley station
    Fridley station is a commuter rail stop serving the city of Fridley in the Minneapolis–Saint Paul metropolitan area.
  • E. St. Paul’s station
    St. Paul’s station is a London Underground station in the City of London served by the Central line, located near St Paul’s Cathedral.
  • 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: Minneapolis Great Northern Depot
Triple: [Twin Cities Zephyr, primaryTerminus, Minneapolis Great Northern Depot]
Generated description
Minneapolis Great Northern Depot was a major historic railway station in Minneapolis, Minnesota, that served as a key hub for passenger trains in the Upper Midwest.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Minneapolis Great Northern Depot
Target entity description: Minneapolis Great Northern Depot was a major historic railway station in Minneapolis, Minnesota, that served as a key hub for passenger trains in the Upper Midwest.
  • A. Union Depot (Saint Paul)
    Union Depot (Saint Paul) is a historic multimodal transportation hub and restored train station in downtown Saint Paul, Minnesota.
  • B. St. Paul station
    St. Paul station is a public transit stop in Dallas, Texas, serving the downtown area as part of the DART light rail system.
  • C. Union Station (Duluth, Minnesota)
    Union Station in Duluth, Minnesota is a historic passenger rail depot designed by the prominent architectural firm Reed and Stem, known for its early 20th-century railroad architecture.
  • D. Fridley station
    Fridley station is a commuter rail stop serving the city of Fridley in the Minneapolis–Saint Paul metropolitan area.
  • E. St. Paul’s station
    St. Paul’s station is a London Underground station in the City of London served by the Central line, located near St Paul’s Cathedral.
  • 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_69da6268a034819081cbd9ea5a1c9475 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e668edf27881909820f9103e72533e completed April 20, 2026, 5:57 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0843e0c99c8190972a7120b8beaa87 completed May 16, 2026, 10:16 a.m.
NEDg Description generation batch_6a0844b2ef688190908b9ad5cf554907 completed May 16, 2026, 10:19 a.m.
NED2 Entity disambiguation (via description) batch_6a0845e241048190ba7fb657d4dca3d7 completed May 16, 2026, 10:24 a.m.
Created at: April 11, 2026, 11:36 p.m.