Triple

T6322270
Position Surface form Disambiguated ID Type / Status
Subject Miyagi Prefecture E141769 entity
Predicate railwayServedBy P782 FINISHED
Object Joban Line
The Joban Line is a major railway line in eastern Japan operated by JR East that runs along the Pacific coast, connecting the Tokyo area with Fukushima and Miyagi Prefectures.
E621218 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: Joban Line | Statement: [Miyagi Prefecture, railwayServedBy, Joban Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Joban Line
Context triple: [Miyagi Prefecture, railwayServedBy, Joban Line]
  • A. Kada Line
    The Kada Line is a regional railway line in Wakayama Prefecture, Japan, providing local passenger service between Wakayamashi and Kada along the coast.
  • B. JR Negishi Line
    The JR Negishi Line is a railway line in the Yokohama area of Japan that connects central Yokohama with surrounding districts and links to major JR lines serving the Greater Tokyo region.
  • C. 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.
  • D. Karasuma Line
    The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
  • E. 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.
  • 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: Joban Line
Triple: [Miyagi Prefecture, railwayServedBy, Joban Line]
Generated description
The Joban Line is a major railway line in eastern Japan operated by JR East that runs along the Pacific coast, connecting the Tokyo area with Fukushima and Miyagi Prefectures.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Joban Line
Target entity description: The Joban Line is a major railway line in eastern Japan operated by JR East that runs along the Pacific coast, connecting the Tokyo area with Fukushima and Miyagi Prefectures.
  • A. Kada Line
    The Kada Line is a regional railway line in Wakayama Prefecture, Japan, providing local passenger service between Wakayamashi and Kada along the coast.
  • B. JR Negishi Line
    The JR Negishi Line is a railway line in the Yokohama area of Japan that connects central Yokohama with surrounding districts and links to major JR lines serving the Greater Tokyo region.
  • C. 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.
  • D. Karasuma Line
    The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
  • E. 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.
  • 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_69c008d13b8c8190be47d896eb735605 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c064c76dfc8190a1d44fd0c4402a0e completed March 22, 2026, 9:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c723aba0f0819091ba9aa4184bf1d5 completed March 28, 2026, 12:41 a.m.
NEDg Description generation batch_69c72485150081908ce170d526a9b7bd completed March 28, 2026, 12:44 a.m.
NED2 Entity disambiguation (via description) batch_69c7250865808190a1d20e8fe6f9de49 completed March 28, 2026, 12:47 a.m.
Created at: March 22, 2026, 4:29 p.m.