Triple

T1009526
Position Surface form Disambiguated ID Type / Status
Subject East Midlands Railway E21789 entity
Predicate fleetIncludes P10916 FINISHED
Object Class 222 Meridian
The Class 222 Meridian is a high-speed diesel-electric multiple unit train used in the UK for intercity passenger services, particularly on routes operated by East Midlands Railway.
E122419 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: Class 222 Meridian | Statement: [East Midlands Railway, fleetIncludes, Class 222 Meridian]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Class 222 Meridian
Context triple: [East Midlands Railway, fleetIncludes, Class 222 Meridian]
  • A. Class 220 Voyager
    The Class 220 Voyager is a high-speed diesel-electric multiple unit train used on intercity services across the UK rail network.
  • B. Mogami class
    The Mogami class was a group of Japanese World War II cruisers notable for their heavy armament, high speed, and controversial design that pushed the limits of naval treaty restrictions.
  • C. Amagi-class battlecruiser
    The Amagi-class battlecruiser was a planned class of fast capital ships for the Imperial Japanese Navy in the early 20th century, whose members were ultimately cancelled or converted following the Washington Naval Treaty and the Great Kantō earthquake.
  • D. Titan IIIE
    Titan IIIE was a U.S. expendable launch vehicle variant of the Titan III family, equipped with a Centaur upper stage and used in the 1970s to send deep-space probes such as Voyager 1 on interplanetary trajectories.
  • E. CP-140 Aurora
    The CP-140 Aurora is a Canadian long-range maritime patrol and anti-submarine warfare aircraft based on the Lockheed P-3 Orion airframe and used primarily for surveillance and reconnaissance missions.
  • 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: Class 222 Meridian
Triple: [East Midlands Railway, fleetIncludes, Class 222 Meridian]
Generated description
The Class 222 Meridian is a high-speed diesel-electric multiple unit train used in the UK for intercity passenger services, particularly on routes operated by East Midlands Railway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Class 222 Meridian
Target entity description: The Class 222 Meridian is a high-speed diesel-electric multiple unit train used in the UK for intercity passenger services, particularly on routes operated by East Midlands Railway.
  • A. Class 220 Voyager
    The Class 220 Voyager is a high-speed diesel-electric multiple unit train used on intercity services across the UK rail network.
  • B. Mogami class
    The Mogami class was a group of Japanese World War II cruisers notable for their heavy armament, high speed, and controversial design that pushed the limits of naval treaty restrictions.
  • C. Amagi-class battlecruiser
    The Amagi-class battlecruiser was a planned class of fast capital ships for the Imperial Japanese Navy in the early 20th century, whose members were ultimately cancelled or converted following the Washington Naval Treaty and the Great Kantō earthquake.
  • D. Titan IIIE
    Titan IIIE was a U.S. expendable launch vehicle variant of the Titan III family, equipped with a Centaur upper stage and used in the 1970s to send deep-space probes such as Voyager 1 on interplanetary trajectories.
  • E. CP-140 Aurora
    The CP-140 Aurora is a Canadian long-range maritime patrol and anti-submarine warfare aircraft based on the Lockheed P-3 Orion airframe and used primarily for surveillance and reconnaissance missions.
  • 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_69a493c53e648190ae8cb76c433fd9a7 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b7a3cb608190a2de34a09cd55146 completed March 1, 2026, 10:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac3ba9406c81909a13375fea05ee99 completed March 7, 2026, 2:52 p.m.
NEDg Description generation batch_69ac3c0491788190b6a1f6d80c4b26ce completed March 7, 2026, 2:53 p.m.
NED2 Entity disambiguation (via description) batch_69ac3cbb30d081909759df25c21eb275 completed March 7, 2026, 2:56 p.m.
Created at: March 1, 2026, 7:41 p.m.