Triple

T4083120
Position Surface form Disambiguated ID Type / Status
Subject Tsuyama, Japan E87524 entity
Predicate hasRailwayStation P918 FINISHED
Object Tsuyama Station
Tsuyama Station is a regional railway hub in Tsuyama, Okayama Prefecture, Japan, serving as a key junction for local and intercity train services.
 E861162 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: Tsuyama Station | Statement: [Tsuyama, Japan, hasRailwayStation, Tsuyama Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tsuyama Station
Context triple: [Tsuyama, Japan, hasRailwayStation, Tsuyama Station]
  • A. 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).
  • B. Takaido Station
    Takaido Station is a railway station in Tokyo, Japan, served by the Keio Inokashira Line and providing local commuter access within the city.
  • C. 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.
  • D. 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.
  • E. Shindaita Station
    Shindaita Station is a railway station in Tokyo, Japan, serving passengers on the Keio Inokashira 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: Tsuyama Station
Triple: [Tsuyama, Japan, hasRailwayStation, Tsuyama Station]
Generated description
Tsuyama Station is a regional railway hub in Tsuyama, Okayama Prefecture, Japan, serving as a key junction for local and intercity train services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tsuyama Station
Target entity description: Tsuyama Station is a regional railway hub in Tsuyama, Okayama Prefecture, Japan, serving as a key junction for local and intercity train services.
  • A. 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).
  • B. Takaido Station
    Takaido Station is a railway station in Tokyo, Japan, served by the Keio Inokashira Line and providing local commuter access within the city.
  • C. 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.
  • D. 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.
  • E. Shindaita Station
    Shindaita Station is a railway station in Tokyo, Japan, serving passengers on the Keio Inokashira 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_69aed9435cf48190ad1da737c962d19d completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefc7933b481909bb3e02c6c04c8ee completed March 9, 2026, 4:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69d7faf8c1048190a136289a44a0930b completed April 9, 2026, 7:16 p.m.
NEDg Description generation batch_69d81c40dc6081908cc186ee6cd0814e completed April 9, 2026, 9:38 p.m.
NED2 Entity disambiguation (via description) batch_69d8277fbf0881908a1e16d6c07886e6 completed April 9, 2026, 10:26 p.m.
Created at: March 9, 2026, 3:39 p.m.