Triple
T1929783
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sendai |
E40916
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Sendai Station
Sendai Station is the main railway hub of Sendai, Japan, serving as a major stop for Shinkansen high-speed trains and numerous local and regional lines.
|
E498821
|
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: Sendai Station | Statement: [Sendai, hasRailwayStation, Sendai Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sendai Station Context triple: [Sendai, hasRailwayStation, Sendai Station]
-
A.
Nagoya Station
Nagoya Station is one of Japan’s largest and busiest railway hubs, serving as a major Shinkansen and regional transit center in the city of Nagoya.
-
B.
Yokohama Station
Yokohama Station is one of Japan’s busiest railway hubs, serving numerous JR, private, and subway lines in central Yokohama.
-
C.
Sapporo Station
Sapporo Station is the main railway hub of Sapporo, Japan, serving as a major transit, commercial, and business center in Hokkaido.
-
D.
Zushi Station
Zushi Station is a railway station in Zushi, Kanagawa Prefecture, Japan, served by JR East lines including the Yokosuka Line and Shōnan–Shinjuku Line.
-
E.
Suita Station
Suita Station is a railway station in Suita, Osaka Prefecture, Japan, serving passengers on the JR Kyoto Line (Tōkaidō Main 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: Sendai Station Triple: [Sendai, hasRailwayStation, Sendai Station]
Generated description
Sendai Station is the main railway hub of Sendai, Japan, serving as a major stop for Shinkansen high-speed trains and numerous local and regional lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sendai Station Target entity description: Sendai Station is the main railway hub of Sendai, Japan, serving as a major stop for Shinkansen high-speed trains and numerous local and regional lines.
-
A.
Nagoya Station
Nagoya Station is one of Japan’s largest and busiest railway hubs, serving as a major Shinkansen and regional transit center in the city of Nagoya.
-
B.
Yokohama Station
Yokohama Station is one of Japan’s busiest railway hubs, serving numerous JR, private, and subway lines in central Yokohama.
-
C.
Sapporo Station
Sapporo Station is the main railway hub of Sapporo, Japan, serving as a major transit, commercial, and business center in Hokkaido.
-
D.
Zushi Station
Zushi Station is a railway station in Zushi, Kanagawa Prefecture, Japan, served by JR East lines including the Yokosuka Line and Shōnan–Shinjuku Line.
-
E.
Suita Station
Suita Station is a railway station in Suita, Osaka Prefecture, Japan, serving passengers on the JR Kyoto Line (Tōkaidō Main 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_69a8864711648190b07bed24ed76258e |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb266dcb4819090be83556615d0db |
completed | March 7, 2026, 5:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69becf8388f8819090829c206f4080a2 |
completed | March 21, 2026, 5:04 p.m. |
| NEDg | Description generation | batch_69bed398062c8190bccf063099553b5c |
completed | March 21, 2026, 5:21 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bed3eb41f08190991d4eb0db309362 |
completed | March 21, 2026, 5:22 p.m. |
Created at: March 4, 2026, 7:35 p.m.