Triple

T8335261
Position Surface form Disambiguated ID Type / Status
Subject Iga E195170 entity
Predicate hasLocalRailway P58937 FINISHED
Object Iga Railway Iga Line
Iga Railway Iga Line is a regional railway route in Mie Prefecture, Japan, known for serving the city of Iga and its surrounding communities.
E724822 NE FINISHED

How this triple was built (5 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: Iga Railway Iga Line | Statement: [Iga, hasLocalRailway, Iga Railway Iga Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Iga Railway Iga Line
Context triple: [Iga, hasLocalRailway, Iga Railway Iga Line]
  • A. Shinano Railway Line
    The Shinano Railway Line is a regional rail line in Nagano Prefecture, Japan, operated by Shinano Railway and serving as a key local corridor through the area.
  • B. Wakayamakō Line
    The Wakayamakō Line is a railway line in Wakayama Prefecture, Japan, providing passenger service between central Wakayama and the Wakayama Port area.
  • C. Itsukaichi Line
    The Itsukaichi Line is a regional railway line in western Tokyo, Japan, operated by JR East, connecting suburban communities with the broader Tokyo rail network.
  • D. Hanzōmon Line
    The Hanzōmon Line is a Tokyo Metro subway line in Tokyo, Japan, connecting central districts with eastern and southwestern suburbs as part of the city’s urban rail network.
  • E. Takasaki Line
    The Takasaki Line is a major railway line in Japan operated by JR East that connects the Tokyo metropolitan area with Saitama and Gunma Prefectures, serving as an important commuter and intercity route.
  • 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: Iga Railway Iga Line
Triple: [Iga, hasLocalRailway, Iga Railway Iga Line]
Generated description
Iga Railway Iga Line is a regional railway route in Mie Prefecture, Japan, known for serving the city of Iga and its surrounding communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Iga Railway Iga Line
Target entity description: Iga Railway Iga Line is a regional railway route in Mie Prefecture, Japan, known for serving the city of Iga and its surrounding communities.
  • A. Shinano Railway Line
    The Shinano Railway Line is a regional rail line in Nagano Prefecture, Japan, operated by Shinano Railway and serving as a key local corridor through the area.
  • B. Wakayamakō Line
    The Wakayamakō Line is a railway line in Wakayama Prefecture, Japan, providing passenger service between central Wakayama and the Wakayama Port area.
  • C. Itsukaichi Line
    The Itsukaichi Line is a regional railway line in western Tokyo, Japan, operated by JR East, connecting suburban communities with the broader Tokyo rail network.
  • D. Hanzōmon Line
    The Hanzōmon Line is a Tokyo Metro subway line in Tokyo, Japan, connecting central districts with eastern and southwestern suburbs as part of the city’s urban rail network.
  • E. Takasaki Line
    The Takasaki Line is a major railway line in Japan operated by JR East that connects the Tokyo metropolitan area with Saitama and Gunma Prefectures, serving as an important commuter and intercity route.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasLocalRailway
Context triple: [Iga, hasLocalRailway, Iga Railway Iga Line]
  • A. hasLocalRailOperator
    Indicates that a specified rail operator is responsible for providing local or regional rail services within a particular area or network.
  • B. servesLocalTrains
    Indicates that a station or facility provides service or stops specifically for local (non-express) train routes.
  • C. hasRailRoute chosen
    Indicates that there exists a rail-based transportation route or connection between the related entities.
  • D. isOnRailway
    Indicates that one entity is positioned on, aligned with, or traveling along a railway track or railway system in relation to another entity.
  • E. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • F. None of above.

Provenance (6 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_69ca82e87f2c8190bdb71ee29dfc642d completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7fd2ca648190991e398ba70caf8d completed March 31, 2026, 8:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd95d9b92c8190b1eb0e64aa7ea59e completed April 1, 2026, 10:02 p.m.
NEDg Description generation batch_69cda342c10881908ebafc7853815424 completed April 1, 2026, 10:59 p.m.
NED2 Entity disambiguation (via description) batch_69cdab736f208190a90bd4344b21a22c completed April 1, 2026, 11:34 p.m.
PD Predicate disambiguation batch_69cb70c3231c81909e3d463192c9de22 completed March 31, 2026, 6:59 a.m.
Created at: March 30, 2026, 5:57 p.m.