Triple

T13217410
Position Surface form Disambiguated ID Type / Status
Subject Keihin-Tōhoku Line E314654 entity
Predicate nameWrittenInJapanese P28734 FINISHED
Object 京浜東北線
京浜東北線は、東京都心と神奈川・埼玉方面を南北に結び、東海道線・東北本線と並行して運行されるJR東日本の主要通勤路線です。
E1041981 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: 京浜東北線 | Statement: [Keihin-Tōhoku Line, nameWrittenInJapanese, 京浜東北線]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 京浜東北線
Context triple: [Keihin-Tōhoku Line, nameWrittenInJapanese, 京浜東北線]
  • A. Odakyu Odawara Line
    The Odakyu Odawara Line is a major private railway line in the Tokyo area operated by Odakyu Electric Railway, connecting central Tokyo with suburban Kanagawa Prefecture and serving both commuter and tourist traffic.
  • B. Yokohama Line
    The Yokohama Line is a commuter rail line in the Greater Tokyo area of Japan operated by JR East, connecting Hachiōji and Higashi-Kanagawa and serving key suburban and urban districts around Yokohama.
  • C. JR Shonan–Shinjuku Line
    The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
  • D. Chūō-Sōbu Line
    The Chūō-Sōbu Line is a busy commuter rail line in Tokyo and Chiba, Japan, running local services that connect central Tokyo with its western suburbs and eastern neighboring prefecture.
  • E. Nippō Main Line
    The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
  • 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: 京浜東北線
Triple: [Keihin-Tōhoku Line, nameWrittenInJapanese, 京浜東北線]
Generated description
京浜東北線は、東京都心と神奈川・埼玉方面を南北に結び、東海道線・東北本線と並行して運行されるJR東日本の主要通勤路線です。
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 京浜東北線
Target entity description: 京浜東北線は、東京都心と神奈川・埼玉方面を南北に結び、東海道線・東北本線と並行して運行されるJR東日本の主要通勤路線です。
  • A. Odakyu Odawara Line
    The Odakyu Odawara Line is a major private railway line in the Tokyo area operated by Odakyu Electric Railway, connecting central Tokyo with suburban Kanagawa Prefecture and serving both commuter and tourist traffic.
  • B. Yokohama Line
    The Yokohama Line is a commuter rail line in the Greater Tokyo area of Japan operated by JR East, connecting Hachiōji and Higashi-Kanagawa and serving key suburban and urban districts around Yokohama.
  • C. JR Shonan–Shinjuku Line
    The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
  • D. Chūō-Sōbu Line
    The Chūō-Sōbu Line is a busy commuter rail line in Tokyo and Chiba, Japan, running local services that connect central Tokyo with its western suburbs and eastern neighboring prefecture.
  • E. Nippō Main Line
    The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
  • 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_69d806affc688190a25b6ccc588e9c72 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98cf392e08190949ee4d194566395 completed April 10, 2026, 11:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7460e94a08190a518f466f55db482 completed May 3, 2026, 12:56 p.m.
NEDg Description generation batch_69f74b9dac6c8190b1fc3ed04fcf6d1f completed May 3, 2026, 1:20 p.m.
NED2 Entity disambiguation (via description) batch_69f74c5195188190bad111b301713426 completed May 3, 2026, 1:23 p.m.
Created at: April 9, 2026, 9:18 p.m.