Triple

T1296721
Position Surface form Disambiguated ID Type / Status
Subject Automatic Train Control E27668 entity
Predicate relatedTo P37 FINISHED
Object Automatic Train Protection
Automatic Train Protection is a safety system used in railways to prevent collisions and overspeeding by automatically enforcing speed limits and signal adherence when train drivers fail to respond appropriately.
E27668 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: Automatic Train Protection | Statement: [Automatic Train Control, relatedTo, Automatic Train Protection]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Automatic Train Protection
Context triple: [Automatic Train Control, relatedTo, Automatic Train Protection]
  • A. Automatic Train Control
    Automatic Train Control is a railway safety and control system that automates train operations such as speed regulation and braking to prevent collisions and ensure safe, efficient train movement.
  • B. Positive Train Control
    Positive Train Control is an advanced, federally mandated train safety technology designed to automatically prevent collisions, overspeed derailments, and other dangerous train movements.
  • C. Federal Railroad Safety Act
    The Federal Railroad Safety Act is a U.S. law that establishes nationwide standards and regulatory authority to promote and enforce the safety of railroad operations.
  • D. MARC Train
    MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
  • E. Advanced Passenger Train
    The Advanced Passenger Train was a pioneering British high-speed tilting train developed by British Rail in the 1970s and 1980s to enable faster travel on existing curving tracks.
  • 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: Automatic Train Protection
Triple: [Automatic Train Control, relatedTo, Automatic Train Protection]
Generated description
Automatic Train Protection is a safety system used in railways to prevent collisions and overspeeding by automatically enforcing speed limits and signal adherence when train drivers fail to respond appropriately.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Automatic Train Protection
Target entity description: Automatic Train Protection is a safety system used in railways to prevent collisions and overspeeding by automatically enforcing speed limits and signal adherence when train drivers fail to respond appropriately.
  • A. Automatic Train Control chosen
    Automatic Train Control is a railway safety and control system that automates train operations such as speed regulation and braking to prevent collisions and ensure safe, efficient train movement.
  • B. Positive Train Control
    Positive Train Control is an advanced, federally mandated train safety technology designed to automatically prevent collisions, overspeed derailments, and other dangerous train movements.
  • C. Federal Railroad Safety Act
    The Federal Railroad Safety Act is a U.S. law that establishes nationwide standards and regulatory authority to promote and enforce the safety of railroad operations.
  • D. MARC Train
    MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
  • E. Advanced Passenger Train
    The Advanced Passenger Train was a pioneering British high-speed tilting train developed by British Rail in the 1970s and 1980s to enable faster travel on existing curving tracks.
  • F. None of above.

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_69a496d6682881909ba658f1c1e0e2b0 completed March 1, 2026, 7:43 p.m.
NER Named-entity recognition batch_69a4c0f591ec819084f01f518c332880 completed March 1, 2026, 10:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69acacc4078081908ba799745ce442ae completed March 7, 2026, 10:55 p.m.
NEDg Description generation batch_69acad5457dc8190b884b562bc3f3fe7 completed March 7, 2026, 10:57 p.m.
NED2 Entity disambiguation (via description) batch_69acadf1209081909c120fbfdeb53168 completed March 7, 2026, 11 p.m.
Created at: March 1, 2026, 7:51 p.m.