Triple

T186237
Position Surface form Disambiguated ID Type / Status
Subject Shibuya, Tokyo, Japan E3985 entity
Predicate servedByRailLine P1293 FINISHED
Object JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
 E23696 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 Saikyo Line | Statement: [Shibuya, Tokyo, Japan, servedByRailLine, JR Saikyo Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: JR Saikyo Line
Context triple: [Shibuya, Tokyo, Japan, servedByRailLine, JR Saikyo Line]
  • A. JR Yumesaki Line
    The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
  • B. JR Yamanote Line
    The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
  • C. Osaka Metro
    Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
  • D. Central Subway
    Central Subway is a light rail extension of San Francisco’s Muni Metro system that provides improved north–south transit service, including a key connection to the Chinatown neighborhood.
  • E. J train
    The J train is a New York City Subway service that runs along the BMT Jamaica Line, connecting Jamaica, Queens with Lower Manhattan via Brooklyn.
  • 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 Saikyo Line
Triple: [Shibuya, Tokyo, Japan, servedByRailLine, JR Saikyo Line]
Generated description
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: JR Saikyo Line
Target entity description: The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
  • A. JR Yumesaki Line
    The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
  • B. JR Yamanote Line
    The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
  • C. Osaka Metro
    Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
  • D. Central Subway
    Central Subway is a light rail extension of San Francisco’s Muni Metro system that provides improved north–south transit service, including a key connection to the Chinatown neighborhood.
  • E. J train
    The J train is a New York City Subway service that runs along the BMT Jamaica Line, connecting Jamaica, Queens with Lower Manhattan via Brooklyn.
  • 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_69a25497e2f08190a040f8c6e1842643 completed Feb. 28, 2026, 2:36 a.m.
NER Named-entity recognition batch_69a2594809288190b3d3b1283e7e0d00 completed Feb. 28, 2026, 2:56 a.m.
NED1 Entity disambiguation (via context triple) batch_69a30285b0488190aaa9634bc9168c4c completed Feb. 28, 2026, 2:58 p.m.
NEDg Description generation batch_69a303db62348190a1939b9203f0ea0a completed Feb. 28, 2026, 3:03 p.m.
NED2 Entity disambiguation (via description) batch_69a30453546881908b46ee22696f618f completed Feb. 28, 2026, 3:05 p.m.
Created at: Feb. 28, 2026, 2:40 a.m.