Triple

T6140942
Position Surface form Disambiguated ID Type / Status
Subject New Haven Union Station E136957 entity
Predicate hasStationCode P1289 FINISHED
Object NHV
NHV is the Amtrak station code for New Haven Union Station, a major passenger rail hub in New Haven, Connecticut.
 E570858 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: NHV | Statement: [New Haven Union Station, hasStationCode, NHV]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: NHV
Context triple: [New Haven Union Station, hasStationCode, NHV]
  • A. NH
    NH is the two-letter IATA airline designator assigned to All Nippon Airways, Japan’s largest airline.
  • B. NH
    NH is the official two-letter United States Postal Service abbreviation for the state of New Hampshire.
  • C. MHV
    MHV is the IATA airport code for Mojave Air and Space Port, a well-known aerospace testing and flight facility in Mojave, California.
  • D. KHV
    KHV is the IATA airport code for Khabarovsk Novy Airport, a major air transport hub serving the city of Khabarovsk in Russia’s Far East.
  • E. NV
    NV is the official two-letter United States Postal Service abbreviation for the state of Nevada.
  • 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: NHV
Triple: [New Haven Union Station, hasStationCode, NHV]
Generated description
NHV is the Amtrak station code for New Haven Union Station, a major passenger rail hub in New Haven, Connecticut.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: NHV
Target entity description: NHV is the Amtrak station code for New Haven Union Station, a major passenger rail hub in New Haven, Connecticut.
  • A. NH
    NH is the two-letter IATA airline designator assigned to All Nippon Airways, Japan’s largest airline.
  • B. NH
    NH is the official two-letter United States Postal Service abbreviation for the state of New Hampshire.
  • C. MHV
    MHV is the IATA airport code for Mojave Air and Space Port, a well-known aerospace testing and flight facility in Mojave, California.
  • D. KHV
    KHV is the IATA airport code for Khabarovsk Novy Airport, a major air transport hub serving the city of Khabarovsk in Russia’s Far East.
  • E. NV
    NV is the official two-letter United States Postal Service abbreviation for the state of Nevada.
  • 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_69c008a179388190a3b5a081bbf46d55 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c05cb2404c8190bbbfa78d5f49389f completed March 22, 2026, 9:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c135f2defc8190a666f82e230a51c2 completed March 23, 2026, 12:45 p.m.
NEDg Description generation batch_69c13679dd58819099036d1119fa370b completed March 23, 2026, 12:47 p.m.
NED2 Entity disambiguation (via description) batch_69c1376db6a0819087c0d0aebc2e2b3e completed March 23, 2026, 12:51 p.m.
Created at: March 22, 2026, 4:16 p.m.