Triple

T2728646
Position Surface form Disambiguated ID Type / Status
Subject Sakai Tramway (Hankai Line) E60255 entity
Predicate operator P179 FINISHED
Object Hankai Tramway Co.
Hankai Tramway Co. is a Japanese private railway company that operates historic streetcar and tram services in the Osaka and Sakai areas.
E374256 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: Hankai Tramway Co. | Statement: [Sakai Tramway (Hankai Line), operator, Hankai Tramway Co.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hankai Tramway Co.
Context triple: [Sakai Tramway (Hankai Line), operator, Hankai Tramway Co.]
  • A. Nankai Electric Railway
    Nankai Electric Railway is a major private railway company in Japan’s Kansai region, operating key commuter and interurban lines connecting Osaka with Wakayama and Kansai International Airport.
  • B. 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.
  • C. Kyushu Railway Company
    Kyushu Railway Company is a major Japanese railway operator, commonly known as JR Kyushu, that runs extensive passenger rail services across the Kyushu region.
  • D. Kinki Sharyo
    Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
  • E. Keihan Electric Railway Co., Ltd.
    Keihan Electric Railway Co., Ltd. is a major Japanese private railway operator serving the Osaka–Kyoto region, known for its extensive commuter rail network and related transportation and leisure businesses.
  • 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: Hankai Tramway Co.
Triple: [Sakai Tramway (Hankai Line), operator, Hankai Tramway Co.]
Generated description
Hankai Tramway Co. is a Japanese private railway company that operates historic streetcar and tram services in the Osaka and Sakai areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hankai Tramway Co.
Target entity description: Hankai Tramway Co. is a Japanese private railway company that operates historic streetcar and tram services in the Osaka and Sakai areas.
  • A. Nankai Electric Railway
    Nankai Electric Railway is a major private railway company in Japan’s Kansai region, operating key commuter and interurban lines connecting Osaka with Wakayama and Kansai International Airport.
  • B. 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.
  • C. Kyushu Railway Company
    Kyushu Railway Company is a major Japanese railway operator, commonly known as JR Kyushu, that runs extensive passenger rail services across the Kyushu region.
  • D. Kinki Sharyo
    Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
  • E. Keihan Electric Railway Co., Ltd.
    Keihan Electric Railway Co., Ltd. is a major Japanese private railway operator serving the Osaka–Kyoto region, known for its extensive commuter rail network and related transportation and leisure businesses.
  • 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_69ab4b75cd908190b691ef0d1801acda completed March 6, 2026, 9:47 p.m.
NER Named-entity recognition batch_69abdaeaee388190a21e7fa0b8f83546 completed March 7, 2026, 7:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69b432e768308190a5476e660111e573 completed March 13, 2026, 3:53 p.m.
NEDg Description generation batch_69b43693d24881909506e467ef9e00dc completed March 13, 2026, 4:08 p.m.
NED2 Entity disambiguation (via description) batch_69b436f642d081908aaa4343cb9432b5 completed March 13, 2026, 4:10 p.m.
Created at: March 6, 2026, 9:56 p.m.