Triple
T1102222
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Fukutoshin Line |
E25404
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Chikatetsu Narimasu Station
Chikatetsu Narimasu Station is a Tokyo Metro subway station in Itabashi, Tokyo, serving as a stop on both the Fukutoshin and Yūrakuchō Lines.
|
E163455
|
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: Chikatetsu Narimasu Station | Statement: [Tokyo Metro Fukutoshin Line, hasStation, Chikatetsu Narimasu Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chikatetsu Narimasu Station Context triple: [Tokyo Metro Fukutoshin Line, hasStation, Chikatetsu Narimasu Station]
-
A.
Rokkomichi Station
Rokkomichi Station is a railway station in Kobe, Japan, serving as a key access point for visitors traveling to the Mount Rokko area.
-
B.
Takatsuki Station
Takatsuki Station is a major railway station in Takatsuki, Osaka Prefecture, Japan, serving as an important stop on the JR Kyoto Line between Osaka and Kyoto.
-
C.
Ajikawaguchi Station
Ajikawaguchi Station is a railway station in Osaka, Japan, serving local commuter traffic on the JR West network.
-
D.
Wakoshi Station
Wakoshi Station is a major railway hub in Wako, Saitama Prefecture, Japan, serving multiple Tokyo Metro and Tobu lines and functioning as an important gateway between Saitama and central Tokyo.
-
E.
Osakako Station
Osakako Station is a railway station in Osaka, Japan, serving the Osaka Metro Chūō Line and providing access to the Osaka Bay area’s attractions.
- 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: Chikatetsu Narimasu Station Triple: [Tokyo Metro Fukutoshin Line, hasStation, Chikatetsu Narimasu Station]
Generated description
Chikatetsu Narimasu Station is a Tokyo Metro subway station in Itabashi, Tokyo, serving as a stop on both the Fukutoshin and Yūrakuchō Lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chikatetsu Narimasu Station Target entity description: Chikatetsu Narimasu Station is a Tokyo Metro subway station in Itabashi, Tokyo, serving as a stop on both the Fukutoshin and Yūrakuchō Lines.
-
A.
Rokkomichi Station
Rokkomichi Station is a railway station in Kobe, Japan, serving as a key access point for visitors traveling to the Mount Rokko area.
-
B.
Takatsuki Station
Takatsuki Station is a major railway station in Takatsuki, Osaka Prefecture, Japan, serving as an important stop on the JR Kyoto Line between Osaka and Kyoto.
-
C.
Ajikawaguchi Station
Ajikawaguchi Station is a railway station in Osaka, Japan, serving local commuter traffic on the JR West network.
-
D.
Wakoshi Station
Wakoshi Station is a major railway hub in Wako, Saitama Prefecture, Japan, serving multiple Tokyo Metro and Tobu lines and functioning as an important gateway between Saitama and central Tokyo.
-
E.
Osakako Station
Osakako Station is a railway station in Osaka, Japan, serving the Osaka Metro Chūō Line and providing access to the Osaka Bay area’s attractions.
- 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_69a49428d4448190b3b36991ceae87ce |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4b9c21c2c8190a34d91a7afed23a9 |
completed | March 1, 2026, 10:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad0142faf081908cf82f2b73490947 |
completed | March 8, 2026, 4:55 a.m. |
| NEDg | Description generation | batch_69ad020222708190a4b383a54418251a |
completed | March 8, 2026, 4:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad02a0c0ac8190b01cf36b76c702f0 |
completed | March 8, 2026, 5:01 a.m. |
Created at: March 1, 2026, 7:43 p.m.