Triple

T3047641
Position Surface form Disambiguated ID Type / Status
Subject Toyota City E83487 entity
Predicate railwayServedBy P782 FINISHED
Object Iida Line
The Iida Line is a regional railway line in central Japan operated by JR Central, running through mountainous areas of Aichi, Nagano, and Shizuoka Prefectures and connecting various local communities.
E525826 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: Iida Line | Statement: [Toyota City, railwayServedBy, Iida Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Iida Line
Context triple: [Toyota City, railwayServedBy, Iida Line]
  • A. Kosei Line
    The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture areas.
  • B. Yamatoji Line
    The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
  • C. Yumesaki Line
    The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
  • D. 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.
  • E. 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.
  • 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: Iida Line
Triple: [Toyota City, railwayServedBy, Iida Line]
Generated description
The Iida Line is a regional railway line in central Japan operated by JR Central, running through mountainous areas of Aichi, Nagano, and Shizuoka Prefectures and connecting various local communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Iida Line
Target entity description: The Iida Line is a regional railway line in central Japan operated by JR Central, running through mountainous areas of Aichi, Nagano, and Shizuoka Prefectures and connecting various local communities.
  • A. Kosei Line
    The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture areas.
  • B. Yamatoji Line
    The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
  • C. Yumesaki Line
    The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
  • D. 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.
  • E. 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.
  • 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_69ad8b24924c8190a9bb6f61d519e4ae completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad9bad11b48190a5bd01e91a320e14 completed March 8, 2026, 3:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf9f4cba048190afe8aa775fa81e5a completed March 22, 2026, 7:50 a.m.
NEDg Description generation batch_69bf9f81dd5081909fda4f4e4d0528d2 completed March 22, 2026, 7:51 a.m.
NED2 Entity disambiguation (via description) batch_69bfa039df908190b689e4f967c9908e completed March 22, 2026, 7:54 a.m.
Created at: March 8, 2026, 3:01 p.m.