Triple

T5989725
Position Surface form Disambiguated ID Type / Status
Subject WMATA 7000-series railcar E133314 entity
Predicate manufacturer P490 FINISHED
Object Kawasaki Rail Car, Inc.
Kawasaki Rail Car, Inc. is a U.S.-based subsidiary of Kawasaki Heavy Industries that designs and manufactures passenger rail vehicles for transit systems across North America.
 E561695 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: Kawasaki Rail Car, Inc. | Statement: [WMATA 7000-series railcar, manufacturer, Kawasaki Rail Car, Inc.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kawasaki Rail Car, Inc.
Context triple: [WMATA 7000-series railcar, manufacturer, Kawasaki Rail Car, Inc.]
  • A. Nippon Sharyo
    Nippon Sharyo is a Japanese rolling stock manufacturer known for producing railway vehicles for domestic operators and international markets.
  • B. Kawasaki multiple units
    Kawasaki multiple units are electric multiple-unit train sets manufactured by Kawasaki Heavy Industries for use in various urban and commuter rail systems worldwide.
  • C. Kinki Sharyo
    Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
  • D. Tokyu Car Corporation
    Tokyu Car Corporation was a Japanese rolling stock manufacturer known for producing a wide range of electric multiple units, commuter trains, and other railway vehicles for domestic and international operators.
  • E. JR Freight
    JR Freight is Japan’s primary rail freight operator, formed from the breakup and privatization of the former Japanese National Railways.
  • 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: Kawasaki Rail Car, Inc.
Triple: [WMATA 7000-series railcar, manufacturer, Kawasaki Rail Car, Inc.]
Generated description
Kawasaki Rail Car, Inc. is a U.S.-based subsidiary of Kawasaki Heavy Industries that designs and manufactures passenger rail vehicles for transit systems across North America.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kawasaki Rail Car, Inc.
Target entity description: Kawasaki Rail Car, Inc. is a U.S.-based subsidiary of Kawasaki Heavy Industries that designs and manufactures passenger rail vehicles for transit systems across North America.
  • A. Nippon Sharyo
    Nippon Sharyo is a Japanese rolling stock manufacturer known for producing railway vehicles for domestic operators and international markets.
  • B. Kawasaki multiple units
    Kawasaki multiple units are electric multiple-unit train sets manufactured by Kawasaki Heavy Industries for use in various urban and commuter rail systems worldwide.
  • C. Kinki Sharyo
    Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
  • D. Tokyu Car Corporation
    Tokyu Car Corporation was a Japanese rolling stock manufacturer known for producing a wide range of electric multiple units, commuter trains, and other railway vehicles for domestic and international operators.
  • E. JR Freight
    JR Freight is Japan’s primary rail freight operator, formed from the breakup and privatization of the former Japanese National Railways.
  • 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_69c0087010d081908bb8142342d63330 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c04dc76fd481908cc3f327e532a1a6 completed March 22, 2026, 8:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69c1085ac1bc8190a828d3841098cc23 completed March 23, 2026, 9:31 a.m.
NEDg Description generation batch_69c10aab4d0c8190ae467f8c7c945196 completed March 23, 2026, 9:40 a.m.
NED2 Entity disambiguation (via description) batch_69c10b19705c8190a1d9ee17b1c5833f completed March 23, 2026, 9:42 a.m.
Created at: March 22, 2026, 4:05 p.m.