Triple

T6203598
Position Surface form Disambiguated ID Type / Status
Subject Keio Corporation E138695 entity
Predicate railwayNetworkName P44063 FINISHED
Object Keio Electric Railway E626140 NE FINISHED

How this triple was built (3 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: Keio Electric Railway | Statement: [Keio Corporation, railwayNetworkName, Keio Electric Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Keio Electric Railway
Context triple: [Keio Corporation, railwayNetworkName, Keio Electric Railway]
  • A. Seibu Railway
    Seibu Railway is a major private railway operator in the Greater Tokyo area of Japan, running extensive commuter and interurban train services across Tokyo and Saitama.
  • B. Meguro-Kamata Electric Railway Company
    Meguro-Kamata Electric Railway Company was the original railway operator that later evolved into Tokyu Corporation, a major private railway and transportation conglomerate in the Tokyo area.
  • C. Odakyu Electric Railway
    Odakyu Electric Railway is a major private railway company in Japan that operates commuter and limited express train services connecting central Tokyo with surrounding suburban and regional areas.
  • D. Keio Corporation Railway Division chosen
    Keio Corporation Railway Division is the rail transport arm of Keio Corporation, operating commuter and interurban railway lines in the Tokyo metropolitan area.
  • E. Tobu Railway
    Tobu Railway is a major private railway company in Japan that operates extensive rail networks in the Greater Tokyo area and surrounding regions.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: railwayNetworkName
Context triple: [Keio Corporation, railwayNetworkName, Keio Electric Railway]
  • A. railwayName chosen
    Indicates the name assigned to a specific railway or railway line in the relationship.
  • B. railroadNetwork
    Indicates a relationship where locations are connected as part of the same system of railway lines and infrastructure used for train transport.
  • C. railwayLine
    Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
  • D. railNetworkRole
    Indicates the specific function or responsibility an entity has within a rail network system.
  • E. railNetworkCenter
    Indicates that a location functions as a central hub or focal point within a rail transportation network.
  • F. None of above.

Provenance (4 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_69c008acbea48190991c6b834bb45d65 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c0626c23f481909d2b5b0a75c2ffff completed March 22, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69c750fd986c819099dcf429008e8cdf completed March 28, 2026, 3:54 a.m.
PD Predicate disambiguation batch_69c055fbce1081908805fd12e242ab96 completed March 22, 2026, 8:50 p.m.
Created at: March 22, 2026, 4:20 p.m.