Triple

T4108057
Position Surface form Disambiguated ID Type / Status
Subject Nueva Ecija E88501 entity
Predicate hasTransportInfrastructure P2560 FINISHED
Object Philippine National Railways North Main Line (historical)
The Philippine National Railways North Main Line (historical) was a major railway route on the island of Luzon that once connected Manila to northern provinces, facilitating passenger and freight transport before its decline and partial abandonment.
E413975 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: Philippine National Railways North Main Line (historical) | Statement: [Nueva Ecija, hasTransportInfrastructure, Philippine National Railways North Main Line (historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Philippine National Railways North Main Line (historical)
Context triple: [Nueva Ecija, hasTransportInfrastructure, Philippine National Railways North Main Line (historical)]
  • A. Manila Metro Rail Transit System
    The Manila Metro Rail Transit System is a rapid transit network in Metro Manila, Philippines, providing elevated urban rail services along some of the city's busiest corridors.
  • B. Manila Light Rail Transit System
    The Manila Light Rail Transit System is an urban rapid transit network in Metro Manila, Philippines, providing high-capacity rail services along key commuter corridors.
  • C. Cagayan de Oro Station
    Cagayan de Oro Station is a regional station of the Philippine Court of Appeals serving the judicial needs of Northern Mindanao and nearby areas.
  • D. North Java railway line
    The North Java railway line is a major rail corridor running along the northern coast of Java, Indonesia, connecting key cities and serving as an important route for both passenger and freight transport.
  • E. Sanin Main Line (partial)
    The Sanin Main Line is a major railway route in western Japan that runs along the Sea of Japan coast, connecting numerous cities and rural areas across the San'in region.
  • 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: Philippine National Railways North Main Line (historical)
Triple: [Nueva Ecija, hasTransportInfrastructure, Philippine National Railways North Main Line (historical)]
Generated description
The Philippine National Railways North Main Line (historical) was a major railway route on the island of Luzon that once connected Manila to northern provinces, facilitating passenger and freight transport before its decline and partial abandonment.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Philippine National Railways North Main Line (historical)
Target entity description: The Philippine National Railways North Main Line (historical) was a major railway route on the island of Luzon that once connected Manila to northern provinces, facilitating passenger and freight transport before its decline and partial abandonment.
  • A. Manila Metro Rail Transit System
    The Manila Metro Rail Transit System is a rapid transit network in Metro Manila, Philippines, providing elevated urban rail services along some of the city's busiest corridors.
  • B. Manila Light Rail Transit System
    The Manila Light Rail Transit System is an urban rapid transit network in Metro Manila, Philippines, providing high-capacity rail services along key commuter corridors.
  • C. Cagayan de Oro Station
    Cagayan de Oro Station is a regional station of the Philippine Court of Appeals serving the judicial needs of Northern Mindanao and nearby areas.
  • D. North Java railway line
    The North Java railway line is a major rail corridor running along the northern coast of Java, Indonesia, connecting key cities and serving as an important route for both passenger and freight transport.
  • E. Ferromex railway line
    The Ferromex railway line is a major Mexican rail network operated by Ferrocarril Mexicano that transports freight and passengers across key regions of the country, including the state of Chihuahua.
  • 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_69aed9484fb881909146f4c772ad277c completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af019e23c481909578eba1c9270282 completed March 9, 2026, 5:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69b56b8240248190afd026a450958d4c completed March 14, 2026, 2:06 p.m.
NEDg Description generation batch_69b56cbf12348190836f79e509468a3d completed March 14, 2026, 2:12 p.m.
NED2 Entity disambiguation (via description) batch_69b570aef9008190bf8ef2deb00178ae completed March 14, 2026, 2:29 p.m.
Created at: March 9, 2026, 3:40 p.m.