Triple

T16079429
Position Surface form Disambiguated ID Type / Status
Subject Kanda River E390064 entity
Predicate crossedBy P416 FINISHED
Object Yamanote Line railway bridges
The Yamanote Line railway bridges are a series of elevated rail structures in Tokyo that carry the busy Yamanote commuter loop line across the Kanda River and surrounding urban infrastructure.
E1194196 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: Yamanote Line railway bridges | Statement: [Kanda River, crossedBy, Yamanote Line railway bridges]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Yamanote Line railway bridges
Context triple: [Kanda River, crossedBy, Yamanote Line railway bridges]
  • A. Chūō Main Line railway bridges
    The Chūō Main Line railway bridges are a series of rail bridges in Tokyo that carry JR East’s Chūō Main Line across the Kanda River and surrounding urban areas.
  • B. Tamagawa Railway Bridge
    Tamagawa Railway Bridge is a railway bridge in Japan that carries train lines across the Tama River, connecting areas of Tokyo and its surroundings.
  • C. Demachiyanagi bridges
    Demachiyanagi bridges are a set of river crossings in Kyoto, Japan, that span the Kamo River near the Demachiyanagi area, connecting important urban and residential districts.
  • D. Seto Ohashi Bridge system
    The Seto Ohashi Bridge system is a series of double-deck road-and-rail suspension and cable-stayed bridges in Japan that spans the Seto Inland Sea, linking the islands of Honshu and Shikoku.
  • E. Tokyo Bay Aqua-Line Bridge
    The Tokyo Bay Aqua-Line Bridge is the long bridge section of the Tokyo Bay Aqua-Line, a combined bridge–tunnel route that spans Tokyo Bay to connect Chiba and Kanagawa Prefectures in Japan.
  • 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: Yamanote Line railway bridges
Triple: [Kanda River, crossedBy, Yamanote Line railway bridges]
Generated description
The Yamanote Line railway bridges are a series of elevated rail structures in Tokyo that carry the busy Yamanote commuter loop line across the Kanda River and surrounding urban infrastructure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Yamanote Line railway bridges
Target entity description: The Yamanote Line railway bridges are a series of elevated rail structures in Tokyo that carry the busy Yamanote commuter loop line across the Kanda River and surrounding urban infrastructure.
  • A. Chūō Main Line railway bridges
    The Chūō Main Line railway bridges are a series of rail bridges in Tokyo that carry JR East’s Chūō Main Line across the Kanda River and surrounding urban areas.
  • B. Tamagawa Railway Bridge
    Tamagawa Railway Bridge is a railway bridge in Japan that carries train lines across the Tama River, connecting areas of Tokyo and its surroundings.
  • C. Demachiyanagi bridges
    Demachiyanagi bridges are a set of river crossings in Kyoto, Japan, that span the Kamo River near the Demachiyanagi area, connecting important urban and residential districts.
  • D. Seto Ohashi Bridge system
    The Seto Ohashi Bridge system is a series of double-deck road-and-rail suspension and cable-stayed bridges in Japan that spans the Seto Inland Sea, linking the islands of Honshu and Shikoku.
  • E. Tokyo Bay Aqua-Line Bridge
    The Tokyo Bay Aqua-Line Bridge is the long bridge section of the Tokyo Bay Aqua-Line, a combined bridge–tunnel route that spans Tokyo Bay to connect Chiba and Kanagawa Prefectures in Japan.
  • 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_69d86daf32ec8190a8c0466c8f49c3c0 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e18448bebc8190b0e84b1da097bf8b completed April 17, 2026, 12:52 a.m.
NED1 Entity disambiguation (via context triple) batch_69ffeb917b008190b1680b347cfa0892 completed May 10, 2026, 2:21 a.m.
NEDg Description generation batch_69ffecb8c71481908b4913bb078b6415 completed May 10, 2026, 2:26 a.m.
NED2 Entity disambiguation (via description) batch_69ffed469a5c8190932fa4ebc44358c4 completed May 10, 2026, 2:28 a.m.
Created at: April 10, 2026, 4:57 a.m.