Triple
T11052830
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Yurakuchō Line |
E261298
|
entity |
| Predicate | connectsStation |
P845
|
FINISHED |
| Object |
Tatsumi Station
Tatsumi Station is a subway station in Koto, Tokyo, serving the Tokyo Metro Yurakuchō Line.
|
E1263050
|
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: Tatsumi Station | Statement: [Tokyo Metro Yurakuchō Line, connectsStation, Tatsumi Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tatsumi Station Context triple: [Tokyo Metro Yurakuchō Line, connectsStation, Tatsumi Station]
-
A.
Itami Station
Itami Station is a railway station in Itami, Hyōgo Prefecture, Japan, operated by JR West and serving as a stop on the Fukuchiyama (JR Takarazuka) Line.
-
B.
Tsukamoto Station
Tsukamoto Station is a railway station in Osaka, Japan, served by JR West and located just west of the major Osaka Station on the Tōkaidō Main Line (JR Kobe Line).
-
C.
Tachibana Station
Tachibana Station is a railway station in Amagasaki, Hyōgo Prefecture, Japan, served by JR West’s Tōkaidō Main Line (JR Kobe Line).
-
D.
Tsurumai Station
Tsurumai Station is a railway and subway station in Nagoya, Japan, serving as a key transit hub on the JR Chūō Main Line and the Nagoya Municipal Subway Tsurumai Line.
-
E.
Homachi Station
Homachi Station is a major underground railway station in central Osaka, Japan, serving as an important interchange hub on the Osaka Metro network.
- 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: Tatsumi Station Triple: [Tokyo Metro Yurakuchō Line, connectsStation, Tatsumi Station]
Generated description
Tatsumi Station is a subway station in Koto, Tokyo, serving the Tokyo Metro Yurakuchō Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tatsumi Station Target entity description: Tatsumi Station is a subway station in Koto, Tokyo, serving the Tokyo Metro Yurakuchō Line.
-
A.
Itami Station
Itami Station is a railway station in Itami, Hyōgo Prefecture, Japan, operated by JR West and serving as a stop on the Fukuchiyama (JR Takarazuka) Line.
-
B.
Tsukamoto Station
Tsukamoto Station is a railway station in Osaka, Japan, served by JR West and located just west of the major Osaka Station on the Tōkaidō Main Line (JR Kobe Line).
-
C.
Tachibana Station
Tachibana Station is a railway station in Amagasaki, Hyōgo Prefecture, Japan, served by JR West’s Tōkaidō Main Line (JR Kobe Line).
-
D.
Tsurumai Station
Tsurumai Station is a railway and subway station in Nagoya, Japan, serving as a key transit hub on the JR Chūō Main Line and the Nagoya Municipal Subway Tsurumai Line.
-
E.
Homachi Station
Homachi Station is a major underground railway station in central Osaka, Japan, serving as an important interchange hub on the Osaka Metro network.
- 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_69d6aa98650481908609c7c56bfa7902 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d7986c0df88190b29d71db5538450a |
completed | April 9, 2026, 12:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a018c30b5388190b5c4190d89c7ae97 |
completed | May 11, 2026, 7:58 a.m. |
| NEDg | Description generation | batch_6a018d777ab081909efd8727c7eb99b8 |
completed | May 11, 2026, 8:04 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a018e2a15f081909377a30925406417 |
completed | May 11, 2026, 8:07 a.m. |
Created at: April 8, 2026, 9:26 p.m.