Triple
T2481033
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chiyoda, Tokyo, Japan |
E55814
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object |
Nagatachō district
Nagatachō district is Tokyo’s political center, housing key institutions such as the National Diet Building, the Prime Minister’s Office, and various government ministries.
|
E407568
|
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: Nagatachō district | Statement: [Chiyoda, Tokyo, Japan, contains, Nagatachō district]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagatachō district Context triple: [Chiyoda, Tokyo, Japan, contains, Nagatachō district]
-
A.
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.
-
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.
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.
-
D.
Otemachi
Otemachi is a major business district in central Tokyo known for its concentration of corporate headquarters, financial institutions, and proximity to the Imperial Palace.
-
E.
Shimokitazawa district
Shimokitazawa district is a trendy Tokyo neighborhood known for its narrow streets packed with vintage clothing shops, small theaters, live music venues, and independent cafes.
- 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: Nagatachō district Triple: [Chiyoda, Tokyo, Japan, contains, Nagatachō district]
Generated description
Nagatachō district is Tokyo’s political center, housing key institutions such as the National Diet Building, the Prime Minister’s Office, and various government ministries.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nagatachō district Target entity description: Nagatachō district is Tokyo’s political center, housing key institutions such as the National Diet Building, the Prime Minister’s Office, and various government ministries.
-
A.
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.
-
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.
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.
-
D.
Otemachi
Otemachi is a major business district in central Tokyo known for its concentration of corporate headquarters, financial institutions, and proximity to the Imperial Palace.
-
E.
Shimokitazawa district
Shimokitazawa district is a trendy Tokyo neighborhood known for its narrow streets packed with vintage clothing shops, small theaters, live music venues, and independent cafes.
- 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_69b54c16c05481908f451b492ca9f47f |
completed | March 14, 2026, 11:52 a.m. |
| NEDg | Description generation | batch_69b54fd243888190aba6b39d20608f69 |
completed | March 14, 2026, 12:08 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5502f28808190af903cfc81f99d61 |
completed | March 14, 2026, 12:10 p.m. |
Created at: March 6, 2026, 9:45 p.m.