Triple

T2481028
Position Surface form Disambiguated ID Type / Status
Subject Chiyoda, Tokyo, Japan E55814 entity
Predicate contains P35 FINISHED
Object Marunouchi business district
The Marunouchi business district is one of Tokyo’s premier commercial centers, known for its concentration of corporate headquarters, upscale offices, and proximity to Tokyo Station and the Imperial Palace.
 E401702 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: Marunouchi business district | Statement: [Chiyoda, Tokyo, Japan, contains, Marunouchi business district]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Marunouchi business district
Context triple: [Chiyoda, Tokyo, Japan, contains, Marunouchi business district]
  • A. Tenjin commercial district
    The Tenjin commercial district is Fukuoka’s central downtown hub, renowned for its dense concentration of shopping malls, department stores, dining, and entertainment venues.
  • B. Susukino district
    Susukino district is Sapporo’s famous entertainment quarter, known for its dense concentration of bars, restaurants, nightlife, and neon-lit streets.
  • C. Shinsekai district
    Shinsekai district is an old entertainment neighborhood in Osaka, Japan, known for its retro atmosphere, Tsutenkaku Tower, and vibrant street food and nightlife scene.
  • D. Shinsekai entertainment district
    The Shinsekai entertainment district is a historic Osaka neighborhood known for its retro Showa-era atmosphere, Tsutenkaku Tower, casual eateries, and vibrant nightlife.
  • E. Suidobashi area
    Suidobashi area is a central Tokyo neighborhood known for its major train station, proximity to Tokyo Dome City and universities, and mix of entertainment, sports, and office facilities.
  • 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: Marunouchi business district
Triple: [Chiyoda, Tokyo, Japan, contains, Marunouchi business district]
Generated description
The Marunouchi business district is one of Tokyo’s premier commercial centers, known for its concentration of corporate headquarters, upscale offices, and proximity to Tokyo Station and the Imperial Palace.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Marunouchi business district
Target entity description: The Marunouchi business district is one of Tokyo’s premier commercial centers, known for its concentration of corporate headquarters, upscale offices, and proximity to Tokyo Station and the Imperial Palace.
  • A. Tenjin commercial district
    The Tenjin commercial district is Fukuoka’s central downtown hub, renowned for its dense concentration of shopping malls, department stores, dining, and entertainment venues.
  • B. Susukino district
    Susukino district is Sapporo’s famous entertainment quarter, known for its dense concentration of bars, restaurants, nightlife, and neon-lit streets.
  • C. Shinsekai district
    Shinsekai district is an old entertainment neighborhood in Osaka, Japan, known for its retro atmosphere, Tsutenkaku Tower, and vibrant street food and nightlife scene.
  • D. Shinsekai entertainment district
    The Shinsekai entertainment district is a historic Osaka neighborhood known for its retro Showa-era atmosphere, Tsutenkaku Tower, casual eateries, and vibrant nightlife.
  • E. Suidobashi area
    Suidobashi area is a central Tokyo neighborhood known for its major train station, proximity to Tokyo Dome City and universities, and mix of entertainment, sports, and office facilities.
  • 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_69ab49e670a88190b928e08302381710 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abd161bf3c8190834502968180e9cf completed March 7, 2026, 7:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69b5334e25ec819090bdefaef44e849b completed March 14, 2026, 10:07 a.m.
NEDg Description generation batch_69b5345b408c8190a68c530edd1efb1f completed March 14, 2026, 10:11 a.m.
NED2 Entity disambiguation (via description) batch_69b5351fe4d081909c606f2ced0efbdc completed March 14, 2026, 10:14 a.m.
Created at: March 6, 2026, 9:45 p.m.