Triple

T12112437

Position	Surface form	Disambiguated ID	Type / Status
Subject	Metro Rail Transit Corporation	`E288465`	entity
Predicate	lineServed	`P6301`	FINISHED
Object	Manila Metro Rail Transit System Line 3 Manila Metro Rail Transit System Line 3 is a major elevated rapid transit line running along EDSA in Metro Manila, Philippines, serving as one of the city's primary urban rail corridors.	`E293683`	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: Manila Metro Rail Transit System Line 3 | Statement: [Metro Rail Transit Corporation, lineServed, Manila Metro Rail Transit System Line 3]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Manila Metro Rail Transit System Line 3
Context triple: [Metro Rail Transit Corporation, lineServed, Manila Metro Rail Transit System Line 3]

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 LRT Line 2
Manila LRT Line 2 is an elevated rapid transit line in Metro Manila that runs east–west across the city, connecting key residential, commercial, and educational districts.
C. 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.
D. MRT-7 Quezon City–San Jose del Monte line
The MRT-7 Quezon City–San Jose del Monte line is a mass rapid transit railway under development in the Philippines that will connect Quezon City in Metro Manila to San Jose del Monte in Bulacan to ease traffic congestion and improve regional mobility.
E. Metro Cebu
Metro Cebu is the main metropolitan area of Cebu in the Philippines, encompassing Cebu City and its surrounding cities and municipalities as a major economic, cultural, and transportation hub in the Visayas 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: Manila Metro Rail Transit System Line 3
Triple: [Metro Rail Transit Corporation, lineServed, Manila Metro Rail Transit System Line 3]

Generated description

Manila Metro Rail Transit System Line 3 is a major elevated rapid transit line running along EDSA in Metro Manila, Philippines, serving as one of the city's primary urban rail corridors.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Manila Metro Rail Transit System Line 3
Target entity description: Manila Metro Rail Transit System Line 3 is a major elevated rapid transit line running along EDSA in Metro Manila, Philippines, serving as one of the city's primary urban rail corridors.

A. Manila Metro Rail Transit System chosen
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 LRT Line 2
Manila LRT Line 2 is an elevated rapid transit line in Metro Manila that runs east–west across the city, connecting key residential, commercial, and educational districts.
C. 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.
D. MRT-7 Quezon City–San Jose del Monte line
The MRT-7 Quezon City–San Jose del Monte line is a mass rapid transit railway under development in the Philippines that will connect Quezon City in Metro Manila to San Jose del Monte in Bulacan to ease traffic congestion and improve regional mobility.
E. Metro Cebu
Metro Cebu is the main metropolitan area of Cebu in the Philippines, encompassing Cebu City and its surrounding cities and municipalities as a major economic, cultural, and transportation hub in the Visayas region.
F. None of above.

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_69d6ab4a5c448190a110d1273314b21a`	completed	April 8, 2026, 7:23 p.m.
NER	Named-entity recognition	`batch_69d9156814148190b47d63a89fcab17c`	completed	April 10, 2026, 3:21 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f7a82a0cf48190a201a533c7387512`	completed	May 3, 2026, 7:55 p.m.
NEDg	Description generation	`batch_69f7a8f6833881908bcca35d7d01596a`	completed	May 3, 2026, 7:58 p.m.
NED2	Entity disambiguation (via description)	`batch_69f7a9c3c6548190802e1163c9c35b67`	completed	May 3, 2026, 8:02 p.m.

Created at: April 8, 2026, 9:49 p.m.