Triple

T11286495
Position Surface form Disambiguated ID Type / Status
Subject Toei Oedo Line E267201 entity
Predicate servesDistrict P82 FINISHED
Object Koto
Koto is a special ward in eastern Tokyo, Japan, known for its waterfront areas, modern residential developments, and a mix of industrial and commercial zones.
 E915511 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: Koto | Statement: [Toei Oedo Line, servesDistrict, Koto]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Koto
Context triple: [Toei Oedo Line, servesDistrict, Koto]
  • A. Shitara
    Shitara is a rural town in central Japan known for its mountainous landscapes and traditional countryside character within Aichi Prefecture.
  • B. Sanshin
    Sanshin is a traditional three-stringed lute from the Ryukyu Islands, considered a central instrument in Okinawan music and culture.
  • C. shakuhachi
    The shakuhachi is a traditional Japanese end-blown bamboo flute known for its breathy, meditative tone and use in both classical and contemporary music.
  • D. Gayageum
    The gayageum is a traditional Korean zither-like string instrument known for its delicate, expressive sound and central role in Korean court and folk music.
  • E. Kitaro
    Kitaro is a pioneering Japanese new-age composer and multi-instrumentalist known for his atmospheric, synthesizer-based soundscapes and influential albums like the "Silk Road" series.
  • 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: Koto
Triple: [Toei Oedo Line, servesDistrict, Koto]
Generated description
Koto is a special ward in eastern Tokyo, Japan, known for its waterfront areas, modern residential developments, and a mix of industrial and commercial zones.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Koto
Target entity description: Koto is a special ward in eastern Tokyo, Japan, known for its waterfront areas, modern residential developments, and a mix of industrial and commercial zones.
  • A. Shitara
    Shitara is a rural town in central Japan known for its mountainous landscapes and traditional countryside character within Aichi Prefecture.
  • B. Sanshin
    Sanshin is a traditional three-stringed lute from the Ryukyu Islands, considered a central instrument in Okinawan music and culture.
  • C. shakuhachi
    The shakuhachi is a traditional Japanese end-blown bamboo flute known for its breathy, meditative tone and use in both classical and contemporary music.
  • D. Gayageum
    The gayageum is a traditional Korean zither-like string instrument known for its delicate, expressive sound and central role in Korean court and folk music.
  • E. Kitaro
    Kitaro is a pioneering Japanese new-age composer and multi-instrumentalist known for his atmospheric, synthesizer-based soundscapes and influential albums like the "Silk Road" series.
  • 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_69d6aac993a08190a6f36445ebaf9a43 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e986b0f08190a414749eaa7f1a5d completed April 9, 2026, 6:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4f48070ac8190b0e4d49f42ac3896 completed April 19, 2026, 3:28 p.m.
NEDg Description generation batch_69e4f95cbc7c819082e3d7c3c3266708 completed April 19, 2026, 3:48 p.m.
NED2 Entity disambiguation (via description) batch_69e4ff6b7d248190b4dd885280e09a8e completed April 19, 2026, 4:14 p.m.
Created at: April 8, 2026, 9:32 p.m.