Triple
T7161786
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Tozai Line at Otemachi |
E166963
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | Otemachi, Chiyoda, Tokyo, Japan |
E55814
|
NE FINISHED |
How this triple was built (2 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: Otemachi, Chiyoda, Tokyo, Japan | Statement: [Tokyo Metro Tozai Line at Otemachi, locatedIn, Otemachi, Chiyoda, Tokyo, Japan]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Otemachi, Chiyoda, Tokyo, Japan Context triple: [Tokyo Metro Tozai Line at Otemachi, locatedIn, Otemachi, Chiyoda, Tokyo, Japan]
-
A.
Chiyoda, Tokyo, Japan
chosen
Chiyoda is a central special ward of Tokyo that serves as Japan’s political and administrative heart, housing the Imperial Palace, the National Diet, and many government institutions.
-
B.
Nagatachō, Tokyo, Japan
Nagatachō, Tokyo, Japan is the political center of the country, housing key national government institutions such as the National Diet and the Prime Minister’s official offices.
-
C.
Shinjuku, Tokyo, Japan
Shinjuku, Tokyo, Japan is a major commercial and administrative center of Tokyo known for its busy railway station, skyscraper district, and vibrant nightlife areas like Kabukicho.
-
D.
Shinanomachi, Shinjuku, Tokyo, Japan
Shinanomachi is a district in Shinjuku, Tokyo, known as a key administrative and religious center associated with the Buddhist organization Soka Gakkai.
-
E.
Shinagawa, Tokyo, Japan
Shinagawa is a major commercial and transportation hub in southern Tokyo, known for its busy railway station, high-rise office buildings, and waterfront developments along Tokyo Bay.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c68887a5cc8190bec0ea96227164f7 |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e82e4b248190ad3c3863cb93971e |
completed | March 27, 2026, 8:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c81eaa62dc8190b6a3d39ee3e1f3a5 |
completed | March 28, 2026, 6:32 p.m. |
Created at: March 27, 2026, 2:47 p.m.