Triple

T11604497
Position Surface form Disambiguated ID Type / Status
Subject Osaka Metro Imazatosuji Line E275217 entity
Predicate terminusNorth P3375 FINISHED
Object Itakano Station
Itakano Station is a subway station in Higashiyodogawa-ku, Osaka, Japan, serving as the northern terminus of the Osaka Metro Imazatosuji Line.
E1411315 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: Itakano Station | Statement: [Osaka Metro Imazatosuji Line, terminusNorth, Itakano Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Itakano Station
Context triple: [Osaka Metro Imazatosuji Line, terminusNorth, Itakano Station]
  • A. Itami Station
    Itami Station is a railway station in Itami, Hyōgo Prefecture, Japan, operated by JR West and serving as a stop on the Fukuchiyama (JR Takarazuka) Line.
  • B. Kuzuha Station
    Kuzuha Station is a railway station in Hirakata, Osaka Prefecture, Japan, serving as a key stop on the Keihan Main Line.
  • C. Miyanosaka Station
    Miyanosaka Station is a railway station serving the city of Hirakata in Osaka Prefecture, Japan.
  • D. Imazato Station
    Imazato Station is a railway station in Osaka, Japan, serving as a local transit hub on the Osaka Metro network.
  • E. Takehara Station
    Takehara Station is a regional railway station serving the coastal city of Takehara in Hiroshima Prefecture, 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: Itakano Station
Triple: [Osaka Metro Imazatosuji Line, terminusNorth, Itakano Station]
Generated description
Itakano Station is a subway station in Higashiyodogawa-ku, Osaka, Japan, serving as the northern terminus of the Osaka Metro Imazatosuji Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Itakano Station
Target entity description: Itakano Station is a subway station in Higashiyodogawa-ku, Osaka, Japan, serving as the northern terminus of the Osaka Metro Imazatosuji Line.
  • A. Itami Station
    Itami Station is a railway station in Itami, Hyōgo Prefecture, Japan, operated by JR West and serving as a stop on the Fukuchiyama (JR Takarazuka) Line.
  • B. Kuzuha Station
    Kuzuha Station is a railway station in Hirakata, Osaka Prefecture, Japan, serving as a key stop on the Keihan Main Line.
  • C. Miyanosaka Station
    Miyanosaka Station is a railway station serving the city of Hirakata in Osaka Prefecture, Japan.
  • D. Imazato Station
    Imazato Station is a railway station in Osaka, Japan, serving as a local transit hub on the Osaka Metro network.
  • E. Takehara Station
    Takehara Station is a regional railway station serving the coastal city of Takehara in Hiroshima Prefecture, 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_69d6aaf84b548190ac072e4fb89ae18f completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d895502e0081909ee9c3d45d26cd91 completed April 10, 2026, 6:14 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0826eddda88190bb494d4ebed085ac completed May 16, 2026, 8:12 a.m.
NEDg Description generation batch_6a0828f7ea4c81909bd87b4772096d29 completed May 16, 2026, 8:21 a.m.
NED2 Entity disambiguation (via description) batch_6a0829c935708190978ed4e447c12585 completed May 16, 2026, 8:24 a.m.
Created at: April 8, 2026, 9:38 p.m.