Triple

T8751022
Position Surface form Disambiguated ID Type / Status
Subject South Manchuria Railway Company E207953 entity
Predicate alsoKnownAs P39 FINISHED
Object Mantetsu
Mantetsu was a powerful Japanese state-controlled railway and colonial enterprise that operated rail lines and managed extensive economic activities in Manchuria during the early 20th century.
 E755244 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: Mantetsu | Statement: [South Manchuria Railway Company, alsoKnownAs, Mantetsu]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mantetsu
Context triple: [South Manchuria Railway Company, alsoKnownAs, Mantetsu]
  • 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. Mizumoto
    Mizumoto is a neighborhood in Tokyo’s Katsushika ward, known for its large riverside Mizumoto Park and relatively green, residential environment.
  • C. Hōshō
    Hōshō was the Imperial Japanese Navy’s pioneering aircraft carrier and the world’s first purpose-built carrier to enter service.
  • D. Saigō-no-Tsubone
    Saigō-no-Tsubone was a prominent Japanese noblewoman and concubine of Tokugawa Ieyasu who became an influential figure in the early Edo period through her role in the Tokugawa shogunate.
  • E. Furutaka
    Furutaka was a Japanese heavy cruiser of the Imperial Japanese Navy that served during the interwar period and World War II.
  • 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: Mantetsu
Triple: [South Manchuria Railway Company, alsoKnownAs, Mantetsu]
Generated description
Mantetsu was a powerful Japanese state-controlled railway and colonial enterprise that operated rail lines and managed extensive economic activities in Manchuria during the early 20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mantetsu
Target entity description: Mantetsu was a powerful Japanese state-controlled railway and colonial enterprise that operated rail lines and managed extensive economic activities in Manchuria during the early 20th century.
  • 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. Mizumoto
    Mizumoto is a neighborhood in Tokyo’s Katsushika ward, known for its large riverside Mizumoto Park and relatively green, residential environment.
  • C. Hōshō
    Hōshō was the Imperial Japanese Navy’s pioneering aircraft carrier and the world’s first purpose-built carrier to enter service.
  • D. Saigō-no-Tsubone
    Saigō-no-Tsubone was a prominent Japanese noblewoman and concubine of Tokugawa Ieyasu who became an influential figure in the early Edo period through her role in the Tokugawa shogunate.
  • E. Furutaka
    Furutaka was a Japanese heavy cruiser of the Imperial Japanese Navy that served during the interwar period and World War II.
  • 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_69ca835bb2bc819084bb5906cb6ef7f8 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc5da774f4819099e5bfd12973d946 completed March 31, 2026, 11:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69cf431db5a88190a579b43370a8e887 completed April 3, 2026, 4:33 a.m.
NEDg Description generation batch_69cf45ff020c81909bfe20de50d3661a completed April 3, 2026, 4:45 a.m.
NED2 Entity disambiguation (via description) batch_69cf46ab85088190b12e6eb969f2c65b completed April 3, 2026, 4:48 a.m.
Created at: March 30, 2026, 6:39 p.m.