Triple

T9928227
Position Surface form Disambiguated ID Type / Status
Subject Toyohashi E192576 entity
Predicate servedByRailway P848 FINISHED
Object Nagoya Railroad lines E525362 NE FINISHED

How this triple was built (2 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: Nagoya Railroad lines | Statement: [Toyohashi, servedByRailway, Nagoya Railroad lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nagoya Railroad lines
Context triple: [Toyohashi, servedByRailway, Nagoya Railroad lines]
  • A. Nagoya Railroad freight lines
    Nagoya Railroad freight lines are a network of rail freight routes in the Nagoya region that transport cargo, including goods to and from the Port of Nagoya, supporting the area's industrial and logistical infrastructure.
  • B. Keisei Electric Railway lines
    Keisei Electric Railway lines are a group of private railway routes in the Greater Tokyo area best known for linking central Tokyo with Narita International Airport and serving commuter and interurban travel in Chiba Prefecture.
  • C. Kintetsu Railway lines
    Kintetsu Railway lines are a network of private railway routes in Japan operated by Kintetsu Corporation, connecting major cities and regional areas across the Kansai, Tōkai, and Shikoku regions.
  • D. Kintetsu Nagoya Line
    The Kintetsu Nagoya Line is a major private railway line in Japan connecting Nagoya with cities in Mie Prefecture, serving as an important commuter and intercity route.
  • E. Meitetsu Nagoya Main Line chosen
    The Meitetsu Nagoya Main Line is a major private railway line in Japan’s Chubu region that connects Nagoya with surrounding cities and serves as a key commuter and intercity route.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca82dd978c8190947124ab0d3315ac completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cdb59d7ad08190982a1584547190bd completed April 2, 2026, 12:17 a.m.
NED1 Entity disambiguation (via context triple) batch_69d228cab0fc81908ff5fad6916c1bab completed April 5, 2026, 9:18 a.m.
Created at: March 30, 2026, 8:43 p.m.