Triple

T6617202
Position Surface form Disambiguated ID Type / Status
Subject Reed and Stem E149581 entity
Predicate notableWork P4 FINISHED
Object Northern Pacific Railway Depot (Mandan, North Dakota)
The Northern Pacific Railway Depot in Mandan, North Dakota, is a historic early 20th-century train station designed by the prominent architectural firm Reed and Stem, known for its role in regional rail transportation and distinctive period architecture.
E611380 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: Northern Pacific Railway Depot (Mandan, North Dakota) | Statement: [Reed and Stem, notableWork, Northern Pacific Railway Depot (Mandan, North Dakota)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Northern Pacific Railway Depot (Mandan, North Dakota)
Context triple: [Reed and Stem, notableWork, Northern Pacific Railway Depot (Mandan, North Dakota)]
  • A. Northern Pacific Railway Depot (Bismarck, North Dakota)
    The Northern Pacific Railway Depot in Bismarck, North Dakota, is a historic early 20th-century train station designed by the prominent architectural firm Reed and Stem, known for its role in the region’s railroad development.
  • B. Northern Pacific Railway Depot (Fargo, North Dakota)
    The Northern Pacific Railway Depot in Fargo, North Dakota, is a historic early 20th-century train station designed in a distinctive architectural style by the prominent firm Reed and Stem, known for its work on major railroad terminals.
  • C. Northern Pacific Railway Depot (Jamestown, North Dakota)
    The Northern Pacific Railway Depot in Jamestown, North Dakota, is a historic early-20th-century train station designed by the prominent architectural firm Reed and Stem, known for its role in regional rail transportation and distinctive period architecture.
  • D. Northern Pacific Railway Depot (Moorhead, Minnesota)
    The Northern Pacific Railway Depot in Moorhead, Minnesota is a historic early 20th-century train station designed by the prominent architectural firm Reed and Stem, known for its role in regional rail transportation.
  • E. Northern Pacific Railway Depot (Brainerd, Minnesota)
    The Northern Pacific Railway Depot in Brainerd, Minnesota is a historic train station designed by the prominent architectural firm Reed and Stem, known for its role in regional rail transportation and its distinctive early 20th-century architecture.
  • 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: Northern Pacific Railway Depot (Mandan, North Dakota)
Triple: [Reed and Stem, notableWork, Northern Pacific Railway Depot (Mandan, North Dakota)]
Generated description
The Northern Pacific Railway Depot in Mandan, North Dakota, is a historic early 20th-century train station designed by the prominent architectural firm Reed and Stem, known for its role in regional rail transportation and distinctive period architecture.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Northern Pacific Railway Depot (Mandan, North Dakota)
Target entity description: The Northern Pacific Railway Depot in Mandan, North Dakota, is a historic early 20th-century train station designed by the prominent architectural firm Reed and Stem, known for its role in regional rail transportation and distinctive period architecture.
  • A. Northern Pacific Railway Depot (Bismarck, North Dakota)
    The Northern Pacific Railway Depot in Bismarck, North Dakota, is a historic early 20th-century train station designed by the prominent architectural firm Reed and Stem, known for its role in the region’s railroad development.
  • B. Northern Pacific Railway Depot (Fargo, North Dakota)
    The Northern Pacific Railway Depot in Fargo, North Dakota, is a historic early 20th-century train station designed in a distinctive architectural style by the prominent firm Reed and Stem, known for its work on major railroad terminals.
  • C. Northern Pacific Railway Depot (Jamestown, North Dakota)
    The Northern Pacific Railway Depot in Jamestown, North Dakota, is a historic early-20th-century train station designed by the prominent architectural firm Reed and Stem, known for its role in regional rail transportation and distinctive period architecture.
  • D. Northern Pacific Railway Depot (Moorhead, Minnesota)
    The Northern Pacific Railway Depot in Moorhead, Minnesota is a historic early 20th-century train station designed by the prominent architectural firm Reed and Stem, known for its role in regional rail transportation.
  • E. Northern Pacific Railway Depot (Brainerd, Minnesota)
    The Northern Pacific Railway Depot in Brainerd, Minnesota is a historic train station designed by the prominent architectural firm Reed and Stem, known for its role in regional rail transportation and its distinctive early 20th-century architecture.
  • 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_69c687ed8a9c81908bb671717cb192ef completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6af59a344819089ec755296f04381 completed March 27, 2026, 4:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6f78d41fc8190b883b83b267ec829 completed March 27, 2026, 9:33 p.m.
NEDg Description generation batch_69c6f8453af88190b237c249bfbb4f8c completed March 27, 2026, 9:36 p.m.
NED2 Entity disambiguation (via description) batch_69c6f8d5630c8190913e8572a70b82c1 completed March 27, 2026, 9:38 p.m.
Created at: March 27, 2026, 1:58 p.m.