Triple

T5560014
Position Surface form Disambiguated ID Type / Status
Subject Advanced Passenger Train E145741 entity
Predicate prototypeDesignation P43658 FINISHED
Object APT-P
APT-P was the experimental tilting prototype of British Rail’s Advanced Passenger Train, built to test high-speed rail technology in the 1970s–80s.
 E547226 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: APT-P | Statement: [Advanced Passenger Train, prototypeDesignation, APT-P]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: APT-P
Context triple: [Advanced Passenger Train, prototypeDesignation, APT-P]
  • A. APT-E
    APT-E was an experimental British tilting high-speed train prototype developed in the 1970s to test advanced technologies for the Advanced Passenger Train program.
  • B. APT
    APT is a widely used command-line package management tool for installing, updating, and removing software on Debian-based Linux systems.
  • C. Apt
    Apt is a historic market town in southeastern France’s Vaucluse department, known for its candied fruit production and Provençal charm.
  • D. AAPT
    AAPT is a professional organization dedicated to advancing the teaching and learning of physics at all educational levels.
  • E. ATS-P
    ATS-P is an advanced Japanese train protection and automatic train stop system that provides continuous speed supervision and enhances railway safety on lines such as those using the E233 series EMU.
  • 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: APT-P
Triple: [Advanced Passenger Train, prototypeDesignation, APT-P]
Generated description
APT-P was the experimental tilting prototype of British Rail’s Advanced Passenger Train, built to test high-speed rail technology in the 1970s–80s.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: APT-P
Target entity description: APT-P was the experimental tilting prototype of British Rail’s Advanced Passenger Train, built to test high-speed rail technology in the 1970s–80s.
  • A. APT-E
    APT-E was an experimental British tilting high-speed train prototype developed in the 1970s to test advanced technologies for the Advanced Passenger Train program.
  • B. APT
    APT is a widely used command-line package management tool for installing, updating, and removing software on Debian-based Linux systems.
  • C. Apt
    Apt is a historic market town in southeastern France’s Vaucluse department, known for its candied fruit production and Provençal charm.
  • D. AAPT
    AAPT is a professional organization dedicated to advancing the teaching and learning of physics at all educational levels.
  • E. ATS-P
    ATS-P is an advanced Japanese train protection and automatic train stop system that provides continuous speed supervision and enhances railway safety on lines such as those using the E233 series EMU.
  • 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_69c008fcaf788190bafa02a1917ee73b completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c020167afc8190b0c518907cd0d99b completed March 22, 2026, 5 p.m.
NED1 Entity disambiguation (via context triple) batch_69c097bd26e08190a687a08323f1400a completed March 23, 2026, 1:30 a.m.
NEDg Description generation batch_69c098ba92408190b61b115540fce941 completed March 23, 2026, 1:34 a.m.
NED2 Entity disambiguation (via description) batch_69c099b4bc4481909e7cf6886e5ccbea completed March 23, 2026, 1:39 a.m.
Created at: March 22, 2026, 3:36 p.m.