Triple
T1152029
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR Saikyo Line |
E23696
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object |
Itabashi Station
Itabashi Station is a railway station in Tokyo, Japan, known as a stop on major commuter lines connecting central Tokyo with its northern suburbs.
|
E296711
|
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: Itabashi Station | Statement: [JR Saikyo Line, servesStation, Itabashi Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Itabashi Station Context triple: [JR Saikyo Line, servesStation, Itabashi Station]
-
A.
Asashiobashi Station
Asashiobashi Station is a railway station on Osaka's Chūō Line, serving the local area in Konohana-ku, Osaka, Japan.
-
B.
Meiji-jingumae Station
Meiji-jingumae Station is a major Tokyo subway station in the Harajuku/Meiji Shrine area, serving as a key access point to popular shopping and cultural districts.
-
C.
Shin-Okubo Station
Shin-Okubo Station is a busy railway station in Tokyo’s Shinjuku ward, known for serving the city’s Koreatown area and providing convenient access to central Tokyo.
-
D.
Komagome Station
Komagome Station is a railway station in Tokyo, Japan, served by JR East and the Tokyo Metro, providing access to the residential and commercial areas of the Komagome district.
-
E.
Nishi-Waseda Station
Nishi-Waseda Station is an underground subway station in Shinjuku, Tokyo, served by the Tokyo Metro Fukutoshin Line.
- 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: Itabashi Station Triple: [JR Saikyo Line, servesStation, Itabashi Station]
Generated description
Itabashi Station is a railway station in Tokyo, Japan, known as a stop on major commuter lines connecting central Tokyo with its northern suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Itabashi Station Target entity description: Itabashi Station is a railway station in Tokyo, Japan, known as a stop on major commuter lines connecting central Tokyo with its northern suburbs.
-
A.
Asashiobashi Station
Asashiobashi Station is a railway station on Osaka's Chūō Line, serving the local area in Konohana-ku, Osaka, Japan.
-
B.
Meiji-jingumae Station
Meiji-jingumae Station is a major Tokyo subway station in the Harajuku/Meiji Shrine area, serving as a key access point to popular shopping and cultural districts.
-
C.
Shin-Okubo Station
Shin-Okubo Station is a busy railway station in Tokyo’s Shinjuku ward, known for serving the city’s Koreatown area and providing convenient access to central Tokyo.
-
D.
Komagome Station
Komagome Station is a railway station in Tokyo, Japan, served by JR East and the Tokyo Metro, providing access to the residential and commercial areas of the Komagome district.
-
E.
Nishi-Waseda Station
Nishi-Waseda Station is an underground subway station in Shinjuku, Tokyo, served by the Tokyo Metro Fukutoshin Line.
- 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_69a493f0d32c8190ac74bad3c87f2641 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4bc8d2dd8819081c779d408c2651d |
completed | March 1, 2026, 10:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afc00ddbf48190866fb79b4b4a2857 |
completed | March 10, 2026, 6:54 a.m. |
| NEDg | Description generation | batch_69afc071e5e88190b353ed29d98d347f |
completed | March 10, 2026, 6:55 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69afc133f8088190bd505db0d0d1d6f7 |
completed | March 10, 2026, 6:59 a.m. |
Created at: March 1, 2026, 7:44 p.m.