Triple

T5127435
Position Surface form Disambiguated ID Type / Status
Subject U.S. intercity passenger rail network E115617 entity
Predicate mainNationalOperator P5623 FINISHED
Object National Railroad Passenger Corporation E1072 NE FINISHED

How this triple was built (3 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: National Railroad Passenger Corporation | Statement: [U.S. intercity passenger rail network, mainNationalOperator, National Railroad Passenger Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: National Railroad Passenger Corporation
Context triple: [U.S. intercity passenger rail network, mainNationalOperator, National Railroad Passenger Corporation]
  • A. Consolidated Rail Corporation
    Consolidated Rail Corporation, commonly known as Conrail, was a major U.S. freight railroad created in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
  • B. Amtrak chosen
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • C. Federal Passenger Company
    Federal Passenger Company is a major Russian rail operator responsible for long-distance passenger train services across Russia and neighboring countries.
  • D. Pan Am Railways
    Pan Am Railways was a regional freight railroad in New England, formerly known as Guilford Rail System, that operated an extensive network across the northeastern United States.
  • E. Association of American Railroads
    The Association of American Railroads is a trade group representing major freight and passenger railroads in North America, focusing on industry policy, safety standards, and technological research.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: mainNationalOperator
Context triple: [U.S. intercity passenger rail network, mainNationalOperator, National Railroad Passenger Corporation]
  • A. primaryOperator chosen
    Indicates that an entity serves as the main or leading operator responsible for performing or overseeing a specified operation or process in relation to another entity.
  • B. wirelessOperator
    Indicates that an entity operates, manages, or provides services for a wireless communication system or network for another entity.
  • C. primaryHighSpeedOperator
    Indicates that an entity serves as the main operator responsible for providing high-speed service or functionality to another entity.
  • D. commercialOperator
    Indicates that an entity operates or manages a commercial activity, service, or facility, typically for profit or business purposes.
  • E. longDistanceOperator
    Indicates that an entity performs telephone or communication services that connect calls over long distances between different geographic areas.
  • F. None of above.

Provenance (4 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_69bd444426bc819099ccd23f141e22aa completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd7d5a23908190a24e79d1b29d6fcf completed March 20, 2026, 5:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69bec4beb7b48190a2f4e41a13fdd5f3 completed March 21, 2026, 4:18 p.m.
PD Predicate disambiguation batch_69bd77aa68b88190a50dd736a72d2901 completed March 20, 2026, 4:36 p.m.
Created at: March 20, 2026, 1:42 p.m.