Triple

T5813242
Position Surface form Disambiguated ID Type / Status
Subject Western Pacific Railroad E128920 entity
Predicate operatedSubsidiary P9212 FINISHED
Object Tidewater Southern Railway
Tidewater Southern Railway was a shortline railroad in California’s San Joaquin Valley that primarily handled agricultural and freight traffic and later became part of the Western Pacific Railroad system.
E547685 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: Tidewater Southern Railway | Statement: [Western Pacific Railroad, operatedSubsidiary, Tidewater Southern Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tidewater Southern Railway
Context triple: [Western Pacific Railroad, operatedSubsidiary, Tidewater Southern Railway]
  • A. Virginian Railway
    The Virginian Railway was an early 20th-century American coal-hauling railroad that operated primarily in West Virginia and Virginia, renowned for its efficient, heavy-duty freight operations and later incorporation into the Norfolk and Western Railway.
  • B. Washington and Old Dominion Railroad
    The Washington and Old Dominion Railroad was a regional rail line in Northern Virginia that operated from the 19th to the mid-20th century, later converted into the popular Washington & Old Dominion Railroad Trail.
  • C. Seaboard System Railroad
    Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
  • D. Seaboard Air Line Railroad
    Seaboard Air Line Railroad was a major American railroad that operated in the southeastern United States, known for its prominent passenger services and streamlined trains.
  • E. Norfolk and Western Railway
    Norfolk and Western Railway was a major American railroad known for its coal-hauling operations and distinctive steam locomotive fleet, which later became part of Norfolk Southern Railway through merger.
  • 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: Tidewater Southern Railway
Triple: [Western Pacific Railroad, operatedSubsidiary, Tidewater Southern Railway]
Generated description
Tidewater Southern Railway was a shortline railroad in California’s San Joaquin Valley that primarily handled agricultural and freight traffic and later became part of the Western Pacific Railroad system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tidewater Southern Railway
Target entity description: Tidewater Southern Railway was a shortline railroad in California’s San Joaquin Valley that primarily handled agricultural and freight traffic and later became part of the Western Pacific Railroad system.
  • A. Virginian Railway
    The Virginian Railway was an early 20th-century American coal-hauling railroad that operated primarily in West Virginia and Virginia, renowned for its efficient, heavy-duty freight operations and later incorporation into the Norfolk and Western Railway.
  • B. Washington and Old Dominion Railroad
    The Washington and Old Dominion Railroad was a regional rail line in Northern Virginia that operated from the 19th to the mid-20th century, later converted into the popular Washington & Old Dominion Railroad Trail.
  • C. Seaboard System Railroad
    Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
  • D. Seaboard Air Line Railroad
    Seaboard Air Line Railroad was a major American railroad that operated in the southeastern United States, known for its prominent passenger services and streamlined trains.
  • E. Norfolk and Western Railway
    Norfolk and Western Railway was a major American railroad known for its coal-hauling operations and distinctive steam locomotive fleet, which later became part of Norfolk Southern Railway through merger.
  • 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_69c0084788848190bcf71f6bc5d71597 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02b56044c8190847478a342d441c2 completed March 22, 2026, 5:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69c09848dd148190aeea1b1d454b8da5 completed March 23, 2026, 1:32 a.m.
NEDg Description generation batch_69c098ba92408190b61b115540fce941 completed March 23, 2026, 1:34 a.m.
NED2 Entity disambiguation (via description) batch_69c099bd26fc8190a58bf483a6d4cbca completed March 23, 2026, 1:39 a.m.
Created at: March 22, 2026, 3:52 p.m.