Triple

T413139
Position Surface form Disambiguated ID Type / Status
Subject Sound Transit Link light rail E9533 entity
Predicate rollingStock P1305 FINISHED
Object Siemens S700 light rail vehicles
Siemens S700 light rail vehicles are modern low-floor light rail cars designed by Siemens Mobility for urban transit systems, featuring improved accessibility, energy efficiency, and passenger comfort.
E53255 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: Siemens S700 light rail vehicles | Statement: [Sound Transit Link light rail, rollingStock, Siemens S700 light rail vehicles]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Siemens S700 light rail vehicles
Context triple: [Sound Transit Link light rail, rollingStock, Siemens S700 light rail vehicles]
  • A. Mark VI monorail trains
    Mark VI monorail trains are a fleet of streamlined, automated monorail vehicles introduced in the late 1980s that serve as the primary passenger trains for the Walt Disney World Resort’s elevated transit system.
  • B. M7 electric multiple unit
    The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
  • C. 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.
  • D. M9 electric multiple unit
    The M9 electric multiple unit is a modern commuter rail train used by the Long Island Rail Road, designed to replace older fleets with improved performance, safety, and passenger amenities.
  • E. Class 802 Nova 1 bi-mode train
    The Class 802 Nova 1 is a modern bi-mode intercity train used by TransPennine Express, capable of operating on both electrified and non-electrified routes to provide faster, more flexible services across northern England and Scotland.
  • 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: Siemens S700 light rail vehicles
Triple: [Sound Transit Link light rail, rollingStock, Siemens S700 light rail vehicles]
Generated description
Siemens S700 light rail vehicles are modern low-floor light rail cars designed by Siemens Mobility for urban transit systems, featuring improved accessibility, energy efficiency, and passenger comfort.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Siemens S700 light rail vehicles
Target entity description: Siemens S700 light rail vehicles are modern low-floor light rail cars designed by Siemens Mobility for urban transit systems, featuring improved accessibility, energy efficiency, and passenger comfort.
  • A. Mark VI monorail trains
    Mark VI monorail trains are a fleet of streamlined, automated monorail vehicles introduced in the late 1980s that serve as the primary passenger trains for the Walt Disney World Resort’s elevated transit system.
  • B. M7 electric multiple unit
    The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
  • C. 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.
  • D. M9 electric multiple unit
    The M9 electric multiple unit is a modern commuter rail train used by the Long Island Rail Road, designed to replace older fleets with improved performance, safety, and passenger amenities.
  • E. Class 802 Nova 1 bi-mode train
    The Class 802 Nova 1 is a modern bi-mode intercity train used by TransPennine Express, capable of operating on both electrified and non-electrified routes to provide faster, more flexible services across northern England and Scotland.
  • 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_69a2e80111fc8190961d5b7c6154123f completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ecdc422881908910428fd1aee7c6 completed Feb. 28, 2026, 1:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69a42541cbe88190a35797797c17f3a1 completed March 1, 2026, 11:38 a.m.
NEDg Description generation batch_69a425ea176c8190a4f8197d779cbc94 completed March 1, 2026, 11:41 a.m.
NED2 Entity disambiguation (via description) batch_69a42636b9cc8190a7bf2b16ef3f2a33 completed March 1, 2026, 11:42 a.m.
Created at: Feb. 28, 2026, 1:09 p.m.