Triple

T11718910
Position Surface form Disambiguated ID Type / Status
Subject Keihan Electric Railway Co., Ltd. E278574 entity
Predicate hasAbbreviation P43 FINISHED
Object Keihan
Keihan is a major Japanese private railway operator serving the Osaka–Kyoto region with commuter and interurban rail services.
 E943383 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 | Statement: [Keihan Electric Railway Co., Ltd., hasAbbreviation, Keihan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Keihan
Context triple: [Keihan Electric Railway Co., Ltd., hasAbbreviation, Keihan]
  • A. Meitetsu
    Meitetsu is a major private railway company in Japan’s Chubu region, best known for operating extensive rail and transport services centered around Nagoya.
  • B. Keiō
    Keiō was the final Japanese era of the Edo period, spanning the turbulent years leading up to the Meiji Restoration.
  • C. Komagome
    Komagome is a residential and commercial neighborhood in Tokyo known for its traditional atmosphere, historic temples, and the renowned Rikugien Garden.
  • D. Keihō
    Keihō is the primary criminal law code of Japan that defines offenses and their penalties.
  • E. Kōtetsu
    Kōtetsu was an ironclad warship of the Imperial Japanese Navy that played a decisive role in ending the Boshin War and symbolized Japan’s early naval modernization.
  • 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
Triple: [Keihan Electric Railway Co., Ltd., hasAbbreviation, Keihan]
Generated description
Keihan is a major Japanese private railway operator serving the Osaka–Kyoto region with commuter and interurban rail services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Keihan
Target entity description: Keihan is a major Japanese private railway operator serving the Osaka–Kyoto region with commuter and interurban rail services.
  • A. Meitetsu
    Meitetsu is a major private railway company in Japan’s Chubu region, best known for operating extensive rail and transport services centered around Nagoya.
  • B. Keiō
    Keiō was the final Japanese era of the Edo period, spanning the turbulent years leading up to the Meiji Restoration.
  • C. Komagome
    Komagome is a residential and commercial neighborhood in Tokyo known for its traditional atmosphere, historic temples, and the renowned Rikugien Garden.
  • D. Keihō
    Keihō is the primary criminal law code of Japan that defines offenses and their penalties.
  • E. Kōtetsu
    Kōtetsu was an ironclad warship of the Imperial Japanese Navy that played a decisive role in ending the Boshin War and symbolized Japan’s early naval modernization.
  • 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_69d6aaff2ce88190b4a1e4b341ad5377 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a4c26e4c8190ae30d906b4fd4221 completed April 10, 2026, 7:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69f0197d03c08190a5515ffe3cc887ea completed April 28, 2026, 2:20 a.m.
NEDg Description generation batch_69f0319271788190a105828ae7582668 completed April 28, 2026, 4:03 a.m.
NED2 Entity disambiguation (via description) batch_69f05a44dcb88190a0bb57b0c8fef6b9 completed April 28, 2026, 6:57 a.m.
Created at: April 8, 2026, 9:40 p.m.