Triple

T8684698
Position Surface form Disambiguated ID Type / Status
Subject March railway station E206128 entity
Predicate stationCode P1289 FINISHED
Object MCH
MCH is the station code for March railway station, a rail transport hub serving the town of March in Cambridgeshire, England.
 E751284 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: MCH | Statement: [March railway station, stationCode, MCH]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MCH
Context triple: [March railway station, stationCode, MCH]
  • A. MCHB
    MCHB is the commonly used abbreviation for the Maternal and Child Health Bureau, a U.S. federal agency focused on improving the health and well-being of mothers, children, and families.
  • B. MCH-101
    MCH-101 is a Japanese maritime helicopter variant, based on the AgustaWestland AW101, used primarily for airborne mine countermeasures and transport operations.
  • C. CMH
    CMH is the IATA airport code for John Glenn Columbus International Airport, the primary commercial airport serving Columbus, Ohio.
  • D. MCBH
    MCBH is a major United States Marine Corps installation located on the island of Oahu in Hawaii, supporting Marine, Navy, and joint military operations in the Pacific region.
  • E. MCV
    MCV is the National Rail station code for Manchester Victoria railway station, a major rail hub in Manchester, England.
  • 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: MCH
Triple: [March railway station, stationCode, MCH]
Generated description
MCH is the station code for March railway station, a rail transport hub serving the town of March in Cambridgeshire, England.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MCH
Target entity description: MCH is the station code for March railway station, a rail transport hub serving the town of March in Cambridgeshire, England.
  • A. MCHB
    MCHB is the commonly used abbreviation for the Maternal and Child Health Bureau, a U.S. federal agency focused on improving the health and well-being of mothers, children, and families.
  • B. MCH-101
    MCH-101 is a Japanese maritime helicopter variant, based on the AgustaWestland AW101, used primarily for airborne mine countermeasures and transport operations.
  • C. CMH
    CMH is the IATA airport code for John Glenn Columbus International Airport, the primary commercial airport serving Columbus, Ohio.
  • D. MCBH
    MCBH is a major United States Marine Corps installation located on the island of Oahu in Hawaii, supporting Marine, Navy, and joint military operations in the Pacific region.
  • E. MCV
    MCV is the National Rail station code for Manchester Victoria railway station, a major rail hub in Manchester, England.
  • 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_69ca835379688190aa06b9d98e684d58 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc4aeae740819099093906ccc5f640 completed March 31, 2026, 10:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69cef3c3c74c81908cd9e881d5963492 completed April 2, 2026, 10:54 p.m.
NEDg Description generation batch_69cef521010081908815779c0bd2aac9 completed April 2, 2026, 11 p.m.
NED2 Entity disambiguation (via description) batch_69cef727ea088190bf40eaf5424ae864 completed April 2, 2026, 11:09 p.m.
Created at: March 30, 2026, 6:32 p.m.