Triple
T11161495
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Marunouchi Line |
E264046
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object |
Kasumigaseki Station
Kasumigaseki Station is a major Tokyo subway station located in the government district of Chiyoda, providing access to numerous ministries, agencies, and nearby offices.
|
E1250318
|
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: Kasumigaseki Station | Statement: [Tokyo Metro Marunouchi Line, serves, Kasumigaseki Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kasumigaseki Station Context triple: [Tokyo Metro Marunouchi Line, serves, Kasumigaseki Station]
-
A.
Shiyakusho Station
Shiyakusho Station is a subway station in Nagoya, Japan, serving the city hall area and providing convenient access to Nagoya Castle.
-
B.
Tawaramachi Station
Tawaramachi Station is a subway station on the Tokyo Metro Ginza Line located in the Taitō ward of Tokyo, Japan.
-
C.
Ichigaya Station
Ichigaya Station is a major railway and subway hub in central Tokyo’s Chiyoda ward, serving multiple lines and providing access to nearby government offices, universities, and the Ichigaya district.
-
D.
Kichijōji Station
Kichijōji Station is a major railway hub in Tokyo’s Musashino area, serving multiple lines and providing access to the popular Kichijōji shopping and entertainment district as well as Inokashira Park.
-
E.
Kōjimachi Station
Kōjimachi Station is an underground Tokyo Metro station in Chiyoda, Tokyo, serving the busy central business and government district.
- 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: Kasumigaseki Station Triple: [Tokyo Metro Marunouchi Line, serves, Kasumigaseki Station]
Generated description
Kasumigaseki Station is a major Tokyo subway station located in the government district of Chiyoda, providing access to numerous ministries, agencies, and nearby offices.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kasumigaseki Station Target entity description: Kasumigaseki Station is a major Tokyo subway station located in the government district of Chiyoda, providing access to numerous ministries, agencies, and nearby offices.
-
A.
Shiyakusho Station
Shiyakusho Station is a subway station in Nagoya, Japan, serving the city hall area and providing convenient access to Nagoya Castle.
-
B.
Tawaramachi Station
Tawaramachi Station is a subway station on the Tokyo Metro Ginza Line located in the Taitō ward of Tokyo, Japan.
-
C.
Ichigaya Station
Ichigaya Station is a major railway and subway hub in central Tokyo’s Chiyoda ward, serving multiple lines and providing access to nearby government offices, universities, and the Ichigaya district.
-
D.
Kichijōji Station
Kichijōji Station is a major railway hub in Tokyo’s Musashino area, serving multiple lines and providing access to the popular Kichijōji shopping and entertainment district as well as Inokashira Park.
-
E.
Kōjimachi Station
chosen
Kōjimachi Station is an underground Tokyo Metro station in Chiyoda, Tokyo, serving the busy central business and government district.
- F. None of above.
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_69d6aa9ccddc8190868998c8b7beb060 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e8817a90819087820d5241c58851 |
completed | April 9, 2026, 5:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a02ef9f91c0819080931a4f21546915 |
completed | May 12, 2026, 9:15 a.m. |
| NEDg | Description generation | batch_6a02f113a41c8190b17611eaa50516ca |
completed | May 12, 2026, 9:21 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a02f1e980f4819087eb191e13396581 |
completed | May 12, 2026, 9:24 a.m. |
Created at: April 8, 2026, 9:29 p.m.