Triple

T11245751
Position Surface form Disambiguated ID Type / Status
Subject Sendai, Miyagi, Japan E266198 entity
Predicate leaderTitle P8 FINISHED
Object Mayor of Sendai
The Mayor of Sendai is the elected head of the municipal government of Sendai, the largest city in Japan’s Tōhoku region.
 E913631 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: Mayor of Sendai | Statement: [Sendai, Miyagi, Japan, leaderTitle, Mayor of Sendai]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mayor of Sendai
Context triple: [Sendai, Miyagi, Japan, leaderTitle, Mayor of Sendai]
  • A. Mayor of Uruma
    The Mayor of Uruma is the elected head of the city government of Uruma in Okinawa Prefecture, responsible for local administration, policy implementation, and representing the municipality.
  • B. Mayor of Toyama
    The Mayor of Toyama is the elected head of the municipal government of Toyama City in Japan, responsible for overseeing local administration and public policy.
  • C. Mayor of Sumida
    The Mayor of Sumida is the chief executive official responsible for leading the local government and administration of Sumida Ward in Tokyo, Japan.
  • D. Mayor of Osaka
    The Mayor of Osaka is the elected head of the Osaka city government, responsible for overseeing municipal administration, public services, and local policy in Japan’s third-largest city.
  • E. Governor of Hokkaido
    The Governor of Hokkaido is the elected chief executive of Japan’s northernmost prefecture, responsible for overseeing its administration, economic development, and regional policies.
  • 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: Mayor of Sendai
Triple: [Sendai, Miyagi, Japan, leaderTitle, Mayor of Sendai]
Generated description
The Mayor of Sendai is the elected head of the municipal government of Sendai, the largest city in Japan’s Tōhoku region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mayor of Sendai
Target entity description: The Mayor of Sendai is the elected head of the municipal government of Sendai, the largest city in Japan’s Tōhoku region.
  • A. Mayor of Uruma
    The Mayor of Uruma is the elected head of the city government of Uruma in Okinawa Prefecture, responsible for local administration, policy implementation, and representing the municipality.
  • B. Mayor of Toyama
    The Mayor of Toyama is the elected head of the municipal government of Toyama City in Japan, responsible for overseeing local administration and public policy.
  • C. Mayor of Sumida
    The Mayor of Sumida is the chief executive official responsible for leading the local government and administration of Sumida Ward in Tokyo, Japan.
  • D. Mayor of Osaka
    The Mayor of Osaka is the elected head of the Osaka city government, responsible for overseeing municipal administration, public services, and local policy in Japan’s third-largest city.
  • E. Governor of Hokkaido
    The Governor of Hokkaido is the elected chief executive of Japan’s northernmost prefecture, responsible for overseeing its administration, economic development, and regional policies.
  • 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_69d6aac7953c8190b82caf9d7640fdf9 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e91c045c81908a9024a8aee32f4d completed April 9, 2026, 5:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4ad8c3bec8190987451ab73e79011 completed April 19, 2026, 10:25 a.m.
NEDg Description generation batch_69e4b12eee348190bee6c84587e4955d completed April 19, 2026, 10:40 a.m.
NED2 Entity disambiguation (via description) batch_69e4be2bb8c88190a21773b0c43b6b99 completed April 19, 2026, 11:36 a.m.
Created at: April 8, 2026, 9:31 p.m.