Triple

T5702073
Position Surface form Disambiguated ID Type / Status
Subject Ann Arbor Railroad (original) E125687 entity
Predicate knownFor P22 FINISHED
Object Lake Michigan rail car ferries
Lake Michigan rail car ferries were specialized ships that transported railroad freight cars across Lake Michigan, providing a vital shortcut and year-round link between Midwestern rail networks.
E540895 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: Lake Michigan rail car ferries | Statement: [Ann Arbor Railroad (original), knownFor, Lake Michigan rail car ferries]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lake Michigan rail car ferries
Context triple: [Ann Arbor Railroad (original), knownFor, Lake Michigan rail car ferries]
  • A. Muskegon–Milwaukee ferry route
    The Muskegon–Milwaukee ferry route is a high-speed Lake Michigan passenger and vehicle ferry corridor linking Muskegon, Michigan, with Milwaukee, Wisconsin.
  • B. Washington Island Ferry Line
    Washington Island Ferry Line is a ferry service that transports passengers, vehicles, and goods between Washington Island and the Door Peninsula in Wisconsin.
  • C. Great Lakes port system
    The Great Lakes port system is a network of interconnected commercial and industrial ports on the North American Great Lakes that supports regional and international shipping, trade, and transportation.
  • D. Great Lakes waterway
    The Great Lakes waterway is a system of natural and artificial channels that enables commercial and recreational navigation between the Great Lakes and the Atlantic Ocean via the Saint Lawrence River.
  • E. Lake Erie coastal transportation corridor
    The Lake Erie coastal transportation corridor is a major travel and commerce route that runs along Ohio’s Lake Erie shoreline, linking key coastal communities, ports, and recreational areas.
  • 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: Lake Michigan rail car ferries
Triple: [Ann Arbor Railroad (original), knownFor, Lake Michigan rail car ferries]
Generated description
Lake Michigan rail car ferries were specialized ships that transported railroad freight cars across Lake Michigan, providing a vital shortcut and year-round link between Midwestern rail networks.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lake Michigan rail car ferries
Target entity description: Lake Michigan rail car ferries were specialized ships that transported railroad freight cars across Lake Michigan, providing a vital shortcut and year-round link between Midwestern rail networks.
  • A. Muskegon–Milwaukee ferry route
    The Muskegon–Milwaukee ferry route is a high-speed Lake Michigan passenger and vehicle ferry corridor linking Muskegon, Michigan, with Milwaukee, Wisconsin.
  • B. Washington Island Ferry Line
    Washington Island Ferry Line is a ferry service that transports passengers, vehicles, and goods between Washington Island and the Door Peninsula in Wisconsin.
  • C. Great Lakes port system
    The Great Lakes port system is a network of interconnected commercial and industrial ports on the North American Great Lakes that supports regional and international shipping, trade, and transportation.
  • D. Great Lakes waterway
    The Great Lakes waterway is a system of natural and artificial channels that enables commercial and recreational navigation between the Great Lakes and the Atlantic Ocean via the Saint Lawrence River.
  • E. Lake Erie coastal transportation corridor
    The Lake Erie coastal transportation corridor is a major travel and commerce route that runs along Ohio’s Lake Erie shoreline, linking key coastal communities, ports, and recreational areas.
  • 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_69c0082c96988190b3a6a201edce472a completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c0245581988190a819b8137533ed31 completed March 22, 2026, 5:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c05a5fe4fc8190944a63a29da0fe3c completed March 22, 2026, 9:08 p.m.
NEDg Description generation batch_69c05c1d98b4819080ae9163a0cfd659 completed March 22, 2026, 9:16 p.m.
NED2 Entity disambiguation (via description) batch_69c05caea8b881908a4d12aec44f422e completed March 22, 2026, 9:18 p.m.
Created at: March 22, 2026, 3:45 p.m.