Triple

T1516814
Position Surface form Disambiguated ID Type / Status
Subject Nankai Electric Railway E32139 entity
Predicate operatesService P5884 FINISHED
Object Southern limited express
Southern limited express is a named limited express train service in Japan operated by Nankai Electric Railway, primarily connecting Osaka with Wakayama and Kansai International Airport.
E172921 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: Southern limited express | Statement: [Nankai Electric Railway, operatesService, Southern limited express]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Southern limited express
Context triple: [Nankai Electric Railway, operatesService, Southern limited express]
  • A. Congressional Limited Express
    The Congressional Limited Express was a premier Pennsylvania Railroad passenger train that provided fast, luxurious service between New York City and Washington, D.C.
  • B. Auto Train
    Auto Train is a long-distance Amtrak service that carries both passengers and their vehicles nonstop between the Washington, D.C. area and central Florida.
  • C. Regional-Express
    Regional-Express is a category of medium-distance passenger trains in Germany that provide relatively fast regional connections between cities and towns, operated under the Deutsche Bahn network.
  • D. InterCity
    InterCity is a category of long-distance passenger trains in several European countries, notably providing fast, regular intercity rail services.
  • E. Southeastern Highspeed
    Southeastern Highspeed is a British high-speed rail operator providing fast passenger services between London and parts of Kent and East Sussex.
  • 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: Southern limited express
Triple: [Nankai Electric Railway, operatesService, Southern limited express]
Generated description
Southern limited express is a named limited express train service in Japan operated by Nankai Electric Railway, primarily connecting Osaka with Wakayama and Kansai International Airport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Southern limited express
Target entity description: Southern limited express is a named limited express train service in Japan operated by Nankai Electric Railway, primarily connecting Osaka with Wakayama and Kansai International Airport.
  • A. Congressional Limited Express
    The Congressional Limited Express was a premier Pennsylvania Railroad passenger train that provided fast, luxurious service between New York City and Washington, D.C.
  • B. Auto Train
    Auto Train is a long-distance Amtrak service that carries both passengers and their vehicles nonstop between the Washington, D.C. area and central Florida.
  • C. Regional-Express
    Regional-Express is a category of medium-distance passenger trains in Germany that provide relatively fast regional connections between cities and towns, operated under the Deutsche Bahn network.
  • D. InterCity
    InterCity is a category of long-distance passenger trains in several European countries, notably providing fast, regular intercity rail services.
  • E. Southeastern Highspeed
    Southeastern Highspeed is a British high-speed rail operator providing fast passenger services between London and parts of Kent and East Sussex.
  • 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_69a885e8caf88190a5fbb6159ce87786 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aa61f688148190bcc7c14372ce5bd1 completed March 6, 2026, 5:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad2344f8d8819082e1ae5c980d0525 completed March 8, 2026, 7:20 a.m.
NEDg Description generation batch_69ad23d86d088190bbea03d5d49bc009 completed March 8, 2026, 7:23 a.m.
NED2 Entity disambiguation (via description) batch_69ad2459c38c8190a8c166c2743a8936 completed March 8, 2026, 7:25 a.m.
Created at: March 4, 2026, 7:26 p.m.