Triple

T12922229
Position Surface form Disambiguated ID Type / Status
Subject MTA New York City Transit Subdivision B E309151 entity
Predicate historicalOrigin P1823 FINISHED
Object Independent Subway System E35964 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: Independent Subway System | Statement: [MTA New York City Transit Subdivision B, historicalOrigin, Independent Subway System]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Independent Subway System
Context triple: [MTA New York City Transit Subdivision B, historicalOrigin, Independent Subway System]
  • A. Independent Subway System (IND) chosen
    The Independent Subway System (IND) was New York City's municipally built and operated subway network, created in the early 20th century to compete with and eventually replace the privately run IRT and BMT lines.
  • B. Senate Subway System
    The Senate Subway System is an underground rail network in the U.S. Capitol complex that transports senators and staff between the Capitol and nearby Senate office buildings.
  • C. Metropolitan Transit System
    The Metropolitan Transit System is the primary public transportation agency serving the San Diego region, operating buses, trolleys, and related transit services.
  • D. PATH rapid transit system
    The PATH rapid transit system is a commuter rail network linking Manhattan in New York City with neighboring cities in northern New Jersey.
  • E. CTA rail network
    The CTA rail network is the rapid transit system serving Chicago and several surrounding suburbs, commonly known as the "L" and consisting of multiple color-coded lines operating on elevated, subway, and at-grade tracks.
  • 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_69d7bdf92b588190acdf2a2291ac4590 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d971e7f6e881908c7bb12283898c80 completed April 10, 2026, 9:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6af625af88190b036f97feaefe43b completed May 3, 2026, 2:13 a.m.
Created at: April 9, 2026, 5:42 p.m.