Triple

T5935535
Position Surface form Disambiguated ID Type / Status
Subject JR East urban network E132032 entity
Predicate hasLine P35 FINISHED
Object Ōme Line
The Ōme Line is a railway line in western Tokyo, Japan, operated by JR East, connecting the city’s suburban and mountainous areas to the central rail network.
E692590 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: Ōme Line | Statement: [JR East urban network, hasLine, Ōme Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ōme Line
Context triple: [JR East urban network, hasLine, Ōme Line]
  • A. Seto-Ōhashi Line
    The Seto-Ōhashi Line is a railway route in Japan that connects Honshu and Shikoku across the Seto Inland Sea, forming the rail link over the Great Seto Bridge system.
  • B. Sōbu Line
    The Sōbu Line is a major Japan Railways (JR) commuter and intercity railway line in the Tokyo–Chiba area, connecting central Tokyo with eastern suburbs and cities in Chiba Prefecture.
  • C. Sakaisuji Line
    The Sakaisuji Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and connecting key districts through north–south underground service.
  • D. Uchibō Line
    The Uchibō Line is a coastal railway route in Chiba Prefecture, Japan, operated by JR East and known for connecting Tokyo’s outskirts with towns along the western side of the Bōsō Peninsula.
  • E. Keikyū Main Line
    The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
  • 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: Ōme Line
Triple: [JR East urban network, hasLine, Ōme Line]
Generated description
The Ōme Line is a railway line in western Tokyo, Japan, operated by JR East, connecting the city’s suburban and mountainous areas to the central rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ōme Line
Target entity description: The Ōme Line is a railway line in western Tokyo, Japan, operated by JR East, connecting the city’s suburban and mountainous areas to the central rail network.
  • A. Seto-Ōhashi Line
    The Seto-Ōhashi Line is a railway route in Japan that connects Honshu and Shikoku across the Seto Inland Sea, forming the rail link over the Great Seto Bridge system.
  • B. Sōbu Line
    The Sōbu Line is a major Japan Railways (JR) commuter and intercity railway line in the Tokyo–Chiba area, connecting central Tokyo with eastern suburbs and cities in Chiba Prefecture.
  • C. Sakaisuji Line
    The Sakaisuji Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and connecting key districts through north–south underground service.
  • D. Uchibō Line
    The Uchibō Line is a coastal railway route in Chiba Prefecture, Japan, operated by JR East and known for connecting Tokyo’s outskirts with towns along the western side of the Bōsō Peninsula.
  • E. Keikyū Main Line
    The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
  • 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_69c0085c55dc8190aa90e242c956e2fa completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c038eb56ec81909be03509730b7cc1 completed March 22, 2026, 6:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69ca65545c3c819080a4bf7945871e5d completed March 30, 2026, 11:58 a.m.
NEDg Description generation batch_69ca65d0dc908190917389d02ce71c2a completed March 30, 2026, noon
NED2 Entity disambiguation (via description) batch_69ca663ff0b88190af78d7e32ca1c003 completed March 30, 2026, 12:02 p.m.
Created at: March 22, 2026, 4:01 p.m.