Triple
T10278841
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Itabashi, Tokyo |
E241039
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Oyama Station
Oyama Station is a railway station in the Itabashi ward of Tokyo, Japan, serving local commuter traffic on the Tobu Tojo Line.
|
E1040078
|
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: Oyama Station | Statement: [Itabashi, Tokyo, hasStation, Oyama Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Oyama Station Context triple: [Itabashi, Tokyo, hasStation, Oyama Station]
-
A.
Yamashina Station
Yamashina Station is a major railway and subway hub in Kyoto’s Yamashina Ward, serving multiple lines and providing an important transit connection between central Kyoto and surrounding areas.
-
B.
Oimachi Station
Oimachi Station is a major railway hub in Tokyo’s Shinagawa ward, serving multiple train and subway lines and connecting local neighborhoods with central and suburban areas of the city.
-
C.
Shijō Station
Shijō Station is a major underground metro station on the Kyoto Municipal Subway network, serving as a key transit point in central Kyoto near the city’s main commercial district.
-
D.
Yamada Station
Yamada Station is a railway station in Suita, Osaka Prefecture, Japan, serving as a local transit hub on regional rail lines.
-
E.
Ishiyama Station
Ishiyama Station is a railway station in Ōtsu, Shiga Prefecture, Japan, commonly used as the main access point for visitors traveling to the nearby Miho Museum.
- 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: Oyama Station Triple: [Itabashi, Tokyo, hasStation, Oyama Station]
Generated description
Oyama Station is a railway station in the Itabashi ward of Tokyo, Japan, serving local commuter traffic on the Tobu Tojo Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Oyama Station Target entity description: Oyama Station is a railway station in the Itabashi ward of Tokyo, Japan, serving local commuter traffic on the Tobu Tojo Line.
-
A.
Yamashina Station
Yamashina Station is a major railway and subway hub in Kyoto’s Yamashina Ward, serving multiple lines and providing an important transit connection between central Kyoto and surrounding areas.
-
B.
Oimachi Station
Oimachi Station is a major railway hub in Tokyo’s Shinagawa ward, serving multiple train and subway lines and connecting local neighborhoods with central and suburban areas of the city.
-
C.
Shijō Station
Shijō Station is a major underground metro station on the Kyoto Municipal Subway network, serving as a key transit point in central Kyoto near the city’s main commercial district.
-
D.
Yamada Station
Yamada Station is a railway station in Suita, Osaka Prefecture, Japan, serving as a local transit hub on regional rail lines.
-
E.
Ishiyama Station
Ishiyama Station is a railway station in Ōtsu, Shiga Prefecture, Japan, commonly used as the main access point for visitors traveling to the nearby Miho Museum.
- 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_69d381a94c1881908fc38fc263d9b9c2 |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d4d29fdf2c819099dd581deac08cf2 |
completed | April 7, 2026, 9:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f739644ed48190896d7b2b6c3b5f8f |
completed | May 3, 2026, 12:02 p.m. |
| NEDg | Description generation | batch_69f73add05c881908e65cb157a0a5fc3 |
completed | May 3, 2026, 12:09 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f73b434a0881909f1f75cad643cb70 |
completed | May 3, 2026, 12:10 p.m. |
Created at: April 6, 2026, 11:38 a.m.