Triple

T6759377
Position Surface form Disambiguated ID Type / Status
Subject Northern Pacific Railway E154551 entity
Predicate operatedService P5884 FINISHED
Object Mainstreeter
Mainstreeter was a named passenger train of the Northern Pacific Railway that provided long-distance service across the northern United States.
 E618674 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: Mainstreeter | Statement: [Northern Pacific Railway, operatedService, Mainstreeter]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mainstreeter
Context triple: [Northern Pacific Railway, operatedService, Mainstreeter]
  • A. Westway
    Westway is an elevated urban motorway in west London that forms a major part of the A40 route into the city.
  • B. T-Street
    T-Street is a film and television production company co-founded by filmmaker Rian Johnson, known for producing projects such as the mystery film "Knives Out" and various high-profile series.
  • C. Brightside
    "Brightside" is an album by the American folk rock band The Lumineers, known for its intimate, stripped-down sound and reflective storytelling.
  • D. Sunnyside
    Sunnyside is a residential neighborhood in inner southeast Portland, Oregon, known for its historic homes, walkable streets, and proximity to vibrant commercial corridors.
  • E. Sunnyside
    Sunnyside is a residential neighborhood in the western part of Queens, New York City, known for its diverse community and prewar apartment buildings.
  • 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: Mainstreeter
Triple: [Northern Pacific Railway, operatedService, Mainstreeter]
Generated description
Mainstreeter was a named passenger train of the Northern Pacific Railway that provided long-distance service across the northern United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mainstreeter
Target entity description: Mainstreeter was a named passenger train of the Northern Pacific Railway that provided long-distance service across the northern United States.
  • A. Westway
    Westway is an elevated urban motorway in west London that forms a major part of the A40 route into the city.
  • B. T-Street
    T-Street is a film and television production company co-founded by filmmaker Rian Johnson, known for producing projects such as the mystery film "Knives Out" and various high-profile series.
  • C. Brightside
    "Brightside" is an album by the American folk rock band The Lumineers, known for its intimate, stripped-down sound and reflective storytelling.
  • D. Sunnyside
    Sunnyside is a residential neighborhood in inner southeast Portland, Oregon, known for its historic homes, walkable streets, and proximity to vibrant commercial corridors.
  • E. Sunnyside
    Sunnyside is a residential neighborhood in the western part of Queens, New York City, known for its diverse community and prewar apartment buildings.
  • 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_69c6880fd5808190be684854081e27dd completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d21143748190beaab2488971d65b completed March 27, 2026, 6:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c712b0926c81909601f21407526fd9 completed March 27, 2026, 11:28 p.m.
NEDg Description generation batch_69c7135106288190b5b20523c3efa229 completed March 27, 2026, 11:31 p.m.
NED2 Entity disambiguation (via description) batch_69c7141cd52c8190a783590ad1067840 completed March 27, 2026, 11:34 p.m.
Created at: March 27, 2026, 2:12 p.m.