Triple
T11143044
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yurakucho Station |
E263602
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Marunouchi district |
E335664
|
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: Marunouchi district | Statement: [Yurakucho Station, serves, Marunouchi district]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Marunouchi district Context triple: [Yurakucho Station, serves, Marunouchi district]
-
A.
Marunouchi district
chosen
The Marunouchi district is a central business and commercial area in Tokyo known for its skyscrapers, corporate headquarters, upscale shops, and proximity to the Imperial Palace.
-
B.
Kōjimachi district
Kōjimachi district is a central Tokyo neighborhood in Chiyoda Ward known for its mix of government offices, corporate headquarters, and upscale residential areas.
-
C.
Tsuboya district
Tsuboya district is a historic area in Naha, Okinawa, renowned as the traditional center of Ryukyuan pottery production and culture.
-
D.
Kichijoji district
Kichijoji district is a popular Tokyo neighborhood famed for its lively shopping streets, trendy cafes, and the expansive Inokashira Park.
-
E.
Ichigaya district
Ichigaya district is a central Tokyo neighborhood known for its government and military institutions, educational facilities, and proximity to the Imperial Palace area.
- 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_69d6aa9c0ba08190bbd19c217489b755 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e8623158819096ad1678fa9e72bb |
completed | April 9, 2026, 5:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4cc0f84008190b5306323aff4a300 |
completed | April 19, 2026, 12:35 p.m. |
Created at: April 8, 2026, 9:28 p.m.