Triple

T11854640
Position Surface form Disambiguated ID Type / Status
Subject Ohmi Railway Main Line E282002 entity
Predicate connectsWith P37 FINISHED
Object JR Central Tokaido Main Line at Maibara Station
The JR Central Tokaido Main Line at Maibara Station is a major intercity railway route in Japan that serves Maibara as an important junction between high-speed, regional, and local rail services.
E948998 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: JR Central Tokaido Main Line at Maibara Station | Statement: [Ohmi Railway Main Line, connectsWith, JR Central Tokaido Main Line at Maibara Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: JR Central Tokaido Main Line at Maibara Station
Context triple: [Ohmi Railway Main Line, connectsWith, JR Central Tokaido Main Line at Maibara Station]
  • A. JR Chūō Line at Kichijōji Station
    The JR Chūō Line at Kichijōji Station is a major commuter rail line in western Tokyo that provides rapid access between the popular Kichijōji area and central Tokyo hubs such as Shinjuku and Tokyo Station.
  • B. JR Lines at Kanda
    JR Lines at Kanda refers to the Japan Railways train services that stop at Kanda Station in Tokyo, a key commuter hub connecting multiple JR lines with the Tokyo Metro network.
  • C. JR East Tōkaidō Main Line
    The JR East Tōkaidō Main Line is a major railway corridor in Japan that runs along the Pacific coast of Honshu, connecting Tokyo with key cities in the Kantō and Tōkai regions.
  • D. Keio Line at Meidaimae Station
    The Keio Line at Meidaimae Station is a major commuter rail line in Tokyo operated by Keio Corporation, providing key suburban–central city connectivity and an interchange with the Keio Inokashira Line.
  • E. JR Chuo-Sobu Line
    The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
  • 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: JR Central Tokaido Main Line at Maibara Station
Triple: [Ohmi Railway Main Line, connectsWith, JR Central Tokaido Main Line at Maibara Station]
Generated description
The JR Central Tokaido Main Line at Maibara Station is a major intercity railway route in Japan that serves Maibara as an important junction between high-speed, regional, and local rail services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: JR Central Tokaido Main Line at Maibara Station
Target entity description: The JR Central Tokaido Main Line at Maibara Station is a major intercity railway route in Japan that serves Maibara as an important junction between high-speed, regional, and local rail services.
  • A. JR Chūō Line at Kichijōji Station
    The JR Chūō Line at Kichijōji Station is a major commuter rail line in western Tokyo that provides rapid access between the popular Kichijōji area and central Tokyo hubs such as Shinjuku and Tokyo Station.
  • B. JR Lines at Kanda
    JR Lines at Kanda refers to the Japan Railways train services that stop at Kanda Station in Tokyo, a key commuter hub connecting multiple JR lines with the Tokyo Metro network.
  • C. JR East Tōkaidō Main Line
    The JR East Tōkaidō Main Line is a major railway corridor in Japan that runs along the Pacific coast of Honshu, connecting Tokyo with key cities in the Kantō and Tōkai regions.
  • D. Keio Line at Meidaimae Station
    The Keio Line at Meidaimae Station is a major commuter rail line in Tokyo operated by Keio Corporation, providing key suburban–central city connectivity and an interchange with the Keio Inokashira Line.
  • E. JR Chuo-Sobu Line
    The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
  • 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_69d6ab287ba48190a5178779fd19b9b7 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8a697f4108190af984932d2118472 completed April 10, 2026, 7:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69f167c9d4e88190bfaadada0450e639 completed April 29, 2026, 2:07 a.m.
NEDg Description generation batch_69f17006e6108190b51b20ddf6d2368c completed April 29, 2026, 2:42 a.m.
NED2 Entity disambiguation (via description) batch_69f17819af5c8190a98db3cd8eff8da2 completed April 29, 2026, 3:16 a.m.
Created at: April 8, 2026, 9:43 p.m.