Triple
T11855450
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ōta, Tokyo |
E282024
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object |
Keikyū Kamata Station
Keikyū Kamata Station is a major railway hub in Ōta, Tokyo, serving as an important interchange on the Keikyu network with connections toward central Tokyo and Haneda Airport.
|
E1485145
|
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: Keikyū Kamata Station | Statement: [Ōta, Tokyo, contains, Keikyū Kamata Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keikyū Kamata Station Context triple: [Ōta, Tokyo, contains, Keikyū Kamata Station]
-
A.
Kudanshita Station
Kudanshita Station is a major Tokyo subway station in Chiyoda Ward that serves as a key access point to nearby landmarks such as the Nippon Budokan and Yasukuni Shrine.
-
B.
Shiyakusho Station
Shiyakusho Station is a subway station in Nagoya, Japan, serving the city hall area and providing convenient access to Nagoya Castle.
-
C.
Kōjimachi Station
Kōjimachi Station is an underground Tokyo Metro station in Chiyoda, Tokyo, serving the busy central business and government district.
-
D.
Ishikawacho Station
Ishikawacho Station is a railway station in Yokohama, Japan, serving as a key access point to the historic Yamate district and nearby tourist attractions such as Chinatown.
-
E.
Kawaguchi Station
Kawaguchi Station is a railway station in Kawaguchi, Saitama Prefecture, Japan, operated by East Japan Railway Company (JR East).
- 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: Keikyū Kamata Station Triple: [Ōta, Tokyo, contains, Keikyū Kamata Station]
Generated description
Keikyū Kamata Station is a major railway hub in Ōta, Tokyo, serving as an important interchange on the Keikyu network with connections toward central Tokyo and Haneda Airport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keikyū Kamata Station Target entity description: Keikyū Kamata Station is a major railway hub in Ōta, Tokyo, serving as an important interchange on the Keikyu network with connections toward central Tokyo and Haneda Airport.
-
A.
Kudanshita Station
Kudanshita Station is a major Tokyo subway station in Chiyoda Ward that serves as a key access point to nearby landmarks such as the Nippon Budokan and Yasukuni Shrine.
-
B.
Shiyakusho Station
Shiyakusho Station is a subway station in Nagoya, Japan, serving the city hall area and providing convenient access to Nagoya Castle.
-
C.
Kōjimachi Station
Kōjimachi Station is an underground Tokyo Metro station in Chiyoda, Tokyo, serving the busy central business and government district.
-
D.
Ishikawacho Station
Ishikawacho Station is a railway station in Yokohama, Japan, serving as a key access point to the historic Yamate district and nearby tourist attractions such as Chinatown.
-
E.
Kawaguchi Station
Kawaguchi Station is a railway station in Kawaguchi, Saitama Prefecture, Japan, operated by East Japan Railway Company (JR East).
- 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_69d6ab287ba48190a5178779fd19b9b7 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d8a697f4108190af984932d2118472 |
completed | April 10, 2026, 7:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09c8e5bcbc8190b7cbded45d8a97a6 |
completed | May 17, 2026, 1:55 p.m. |
| NEDg | Description generation | batch_6a09c9a6b84881908f9193b89ded7361 |
completed | May 17, 2026, 1:59 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09caa391588190808eb3dcaff07803 |
completed | May 17, 2026, 2:03 p.m. |
Created at: April 8, 2026, 9:43 p.m.