Triple

T18990552
Position Surface form Disambiguated ID Type / Status
Subject E line E464670 entity
Predicate rollingStock P1305 FINISHED
Object New Technology Train (NTT) subway cars — NE NERFINISHED

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: New Technology Train (NTT) subway cars | Statement: [E line, rollingStock, New Technology Train (NTT) subway cars]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: New Technology Train (NTT) subway cars
Context triple: [E line, rollingStock, New Technology Train (NTT) subway cars]
  • A. NTT (New Technology Train) family chosen
    The NTT (New Technology Train) family is a series of modern New York City Subway rolling stock featuring advanced technology, improved performance, and enhanced passenger amenities compared to older car classes.
  • B. Tokyo Metro 9000 series EMU
    The Tokyo Metro 9000 series EMU is a Japanese electric multiple unit train type used for commuter services on Tokyo Metro’s Namboku Line and through-services onto lines such as the Tokyu Meguro Line.
  • C. Sendai Subway 3000 series
    The Sendai Subway 3000 series is a type of electric multiple unit train used on the Sendai Subway system in Sendai, Japan.
  • D. Sendai Subway 1000 series
    The Sendai Subway 1000 series is an electric multiple unit train type operated on the Sendai Subway Namboku Line in Sendai, Japan.
  • E. Kinkisharyo light rail vehicles
    Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8dd01a56c81909694a128c66b21d7 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5d6632cb08190a28f6ab74c2156d8 completed April 20, 2026, 7:31 a.m.
Created at: April 10, 2026, 12:01 p.m.