Triple

T15604231
Position Surface form Disambiguated ID Type / Status
Subject Tsukuba Express E375114 entity
Predicate operator P179 FINISHED
Object Metropolitan Intercity Railway Company E823556 NE FINISHED

How this triple was built (2 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: Metropolitan Intercity Railway Company | Statement: [Tsukuba Express, operator, Metropolitan Intercity Railway Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metropolitan Intercity Railway Company
Context triple: [Tsukuba Express, operator, Metropolitan Intercity Railway Company]
  • A. Metropolitan Intercity Railway Company chosen
    Metropolitan Intercity Railway Company is a Japanese railway operator best known for running the Tsukuba Express line connecting central Tokyo with the Tsukuba area.
  • B. Mass Transit Railway Corporation
    Mass Transit Railway Corporation was the original government-owned operator of Hong Kong’s urban rail network before its reorganization into the MTR Corporation.
  • C. Central Suburban Passenger Company
    Central Suburban Passenger Company is a major Russian commuter rail operator serving the Moscow metropolitan area and surrounding regions.
  • D. New York, Westchester and Boston Railway
    The New York, Westchester and Boston Railway was an early 20th-century electric commuter railroad serving the Bronx and Westchester County, later partially incorporated into the New York City Subway system.
  • E. Manhattan Railway Company
    The Manhattan Railway Company was a major transit operator in New York City that ran the elevated train lines in Manhattan before the development of the city’s subway system.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d85cce25008190b13b52745fbd719b completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04e7d9328819090e93d55881269a5 completed April 16, 2026, 2:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff56d1607c8190a42dc664abe45b32 completed May 9, 2026, 3:46 p.m.
Created at: April 10, 2026, 4:12 a.m.