Triple

T13950159
Position Surface form Disambiguated ID Type / Status
Subject Osaka urban rail network E335499 entity
Predicate notableLine P7250 FINISHED
Object Keihan Nakanoshima Line
The Keihan Nakanoshima Line is a commuter railway in Osaka, Japan, operated by Keihan Electric Railway and serving the Nakanoshima business and cultural district.
E1507196 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: Keihan Nakanoshima Line | Statement: [Osaka urban rail network, notableLine, Keihan Nakanoshima Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Keihan Nakanoshima Line
Context triple: [Osaka urban rail network, notableLine, Keihan Nakanoshima Line]
  • A. Yurikamome Line
    The Yurikamome Line is an automated, elevated transit line in Tokyo that connects central Tokyo with the Odaiba waterfront area, offering scenic views including a crossing of the Rainbow Bridge.
  • B. Namboku Line
    The Namboku Line is a Tokyo Metro subway line running north–south through central Tokyo, connecting residential districts with major business and transit hubs.
  • C. Namboku Line
    The Namboku Line is a major rapid transit line of the Sapporo Municipal Subway system in Sapporo, Japan, running north–south through the city.
  • D. Keihan Uji Line
    The Keihan Uji Line is a Japanese railway line operated by Keihan Electric Railway that connects Kyoto’s suburban areas with the historic city of Uji, known for its temples and tea culture.
  • E. Kinokuni Line
    The Kinokuni Line is a coastal railway route in Japan’s Kansai region, running mainly through Wakayama Prefecture along the Kii Peninsula and serving both local and limited express trains.
  • 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: Keihan Nakanoshima Line
Triple: [Osaka urban rail network, notableLine, Keihan Nakanoshima Line]
Generated description
The Keihan Nakanoshima Line is a commuter railway in Osaka, Japan, operated by Keihan Electric Railway and serving the Nakanoshima business and cultural district.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Keihan Nakanoshima Line
Target entity description: The Keihan Nakanoshima Line is a commuter railway in Osaka, Japan, operated by Keihan Electric Railway and serving the Nakanoshima business and cultural district.
  • A. Yurikamome Line
    The Yurikamome Line is an automated, elevated transit line in Tokyo that connects central Tokyo with the Odaiba waterfront area, offering scenic views including a crossing of the Rainbow Bridge.
  • B. Namboku Line
    The Namboku Line is a major rapid transit line of the Sapporo Municipal Subway system in Sapporo, Japan, running north–south through the city.
  • C. Namboku Line
    The Namboku Line is a Tokyo Metro subway line running north–south through central Tokyo, connecting residential districts with major business and transit hubs.
  • D. Keihan Uji Line
    The Keihan Uji Line is a Japanese railway line operated by Keihan Electric Railway that connects Kyoto’s suburban areas with the historic city of Uji, known for its temples and tea culture.
  • E. Kinokuni Line
    The Kinokuni Line is a coastal railway route in Japan’s Kansai region, running mainly through Wakayama Prefecture along the Kii Peninsula and serving both local and limited express trains.
  • 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_69d81c6081b88190b53e317c3370c8fe completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de2e131c608190b4ffdbada24a3208 completed April 14, 2026, 12:07 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a59ec05c081909af30673439872ce completed May 18, 2026, 12:14 a.m.
NEDg Description generation batch_6a0a5b0d434481909d2d011c2449bf69 completed May 18, 2026, 12:19 a.m.
NED2 Entity disambiguation (via description) batch_6a0a5ba4fb5c8190994938f704603690 completed May 18, 2026, 12:21 a.m.
Created at: April 9, 2026, 10:17 p.m.