Triple

T13574876
Position Surface form Disambiguated ID Type / Status
Subject Nagoya City Transportation Bureau E324253 entity
Predicate hasAbbreviation P43 FINISHED
Object NCTB
NCTB is the commonly used abbreviation for the Nagoya City Transportation Bureau, the municipal agency that operates public transit services in Nagoya, Japan.
 E1048241 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: NCTB | Statement: [Nagoya City Transportation Bureau, hasAbbreviation, NCTB]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: NCTB
Context triple: [Nagoya City Transportation Bureau, hasAbbreviation, NCTB]
  • A. Bangladesh national curriculum
    The Bangladesh national curriculum is the standardized framework of subjects, content, and assessment guidelines used across schools in Bangladesh to ensure uniform, government-regulated education nationwide.
  • B. NTS
    NTS is the commonly used abbreviation for the National Trust for Scotland, a conservation charity dedicated to protecting and promoting Scotland’s natural and cultural heritage.
  • C. NTS
    NTS is a comprehensive statistical publication that compiles and presents data on the U.S. transportation system across all major modes.
  • D. National Council of Education, Bengal
    The National Council of Education, Bengal was an early 20th-century nationalist educational organization in colonial India that established indigenous institutions as an alternative to British-controlled universities.
  • E. Ejukaan
    Ejukaan is a Marshallese word that forms part of the name "Jepilpilin ke Ejukaan," a famous Marshallese motto meaning "accomplishment through joint effort."
  • 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: NCTB
Triple: [Nagoya City Transportation Bureau, hasAbbreviation, NCTB]
Generated description
NCTB is the commonly used abbreviation for the Nagoya City Transportation Bureau, the municipal agency that operates public transit services in Nagoya, Japan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: NCTB
Target entity description: NCTB is the commonly used abbreviation for the Nagoya City Transportation Bureau, the municipal agency that operates public transit services in Nagoya, Japan.
  • A. Bangladesh national curriculum
    The Bangladesh national curriculum is the standardized framework of subjects, content, and assessment guidelines used across schools in Bangladesh to ensure uniform, government-regulated education nationwide.
  • B. NTS
    NTS is the commonly used abbreviation for the National Trust for Scotland, a conservation charity dedicated to protecting and promoting Scotland’s natural and cultural heritage.
  • C. NTS
    NTS is a comprehensive statistical publication that compiles and presents data on the U.S. transportation system across all major modes.
  • D. National Council of Education, Bengal
    The National Council of Education, Bengal was an early 20th-century nationalist educational organization in colonial India that established indigenous institutions as an alternative to British-controlled universities.
  • E. Ejukaan
    Ejukaan is a Marshallese word that forms part of the name "Jepilpilin ke Ejukaan," a famous Marshallese motto meaning "accomplishment through joint effort."
  • 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_69d80769100c819099111274614f5ed2 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbb02b1f108190a12af382d1de70bb completed April 12, 2026, 2:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69f76bba21f88190b8952fb0879e623d completed May 3, 2026, 3:37 p.m.
NEDg Description generation batch_69f77641e5308190a75bcffeb9bfd7b4 completed May 3, 2026, 4:22 p.m.
NED2 Entity disambiguation (via description) batch_69f7791add908190af69b23a54eb7560 completed May 3, 2026, 4:34 p.m.
Created at: April 9, 2026, 9:48 p.m.