Triple

T4120895
Position Surface form Disambiguated ID Type / Status
Subject Michigan City, Indiana E92608 entity
Predicate hasLandmark P105 FINISHED
Object Michigan City Generating Station
The Michigan City Generating Station is a major power plant located on the Lake Michigan shoreline in Michigan City, Indiana, known for its prominent smokestack and role in regional electricity production.
E415843 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 City Generating Station | Statement: [Michigan City, Indiana, hasLandmark, Michigan City Generating Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Michigan City Generating Station
Context triple: [Michigan City, Indiana, hasLandmark, Michigan City Generating Station]
  • A. Alexander Generating Station
    Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
  • B. Enrico Fermi Nuclear Generating Station
    The Enrico Fermi Nuclear Generating Station is a nuclear power plant complex located on the shore of Lake Erie in Michigan, known for housing multiple reactor units including the Fermi 2 boiling water reactor.
  • C. Salem Harbor Power Station
    Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
  • D. Gianelli Pumping–Generating Plant
    The Gianelli Pumping–Generating Plant is a major hydroelectric and pumping facility in California that moves water for irrigation and storage while generating electricity as part of the state’s Central Valley Project.
  • E. Pickering Nuclear Generating Station
    Pickering Nuclear Generating Station is a large Canadian nuclear power plant on the shore of Lake Ontario that has been a major source of electricity for the Greater Toronto Area.
  • 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 City Generating Station
Triple: [Michigan City, Indiana, hasLandmark, Michigan City Generating Station]
Generated description
The Michigan City Generating Station is a major power plant located on the Lake Michigan shoreline in Michigan City, Indiana, known for its prominent smokestack and role in regional electricity production.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Michigan City Generating Station
Target entity description: The Michigan City Generating Station is a major power plant located on the Lake Michigan shoreline in Michigan City, Indiana, known for its prominent smokestack and role in regional electricity production.
  • A. Alexander Generating Station
    Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
  • B. Enrico Fermi Nuclear Generating Station
    The Enrico Fermi Nuclear Generating Station is a nuclear power plant complex located on the shore of Lake Erie in Michigan, known for housing multiple reactor units including the Fermi 2 boiling water reactor.
  • C. Salem Harbor Power Station
    Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
  • D. Gianelli Pumping–Generating Plant
    The Gianelli Pumping–Generating Plant is a major hydroelectric and pumping facility in California that moves water for irrigation and storage while generating electricity as part of the state’s Central Valley Project.
  • E. Pickering Nuclear Generating Station
    Pickering Nuclear Generating Station is a large Canadian nuclear power plant on the shore of Lake Ontario that has been a major source of electricity for the Greater Toronto Area.
  • 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_69aed9685f70819086932777aec8d959 completed March 9, 2026, 2:30 p.m.
NER Named-entity recognition batch_69af0203b8c88190b08dd64800a37168 completed March 9, 2026, 5:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69b576ae8ef08190ba2adcbd2bbe8d35 completed March 14, 2026, 2:54 p.m.
NEDg Description generation batch_69b5778a01e48190acb14d544cd53a63 completed March 14, 2026, 2:58 p.m.
NED2 Entity disambiguation (via description) batch_69b577f2d46c8190a66b2b536088633c completed March 14, 2026, 3 p.m.
Created at: March 9, 2026, 3:41 p.m.