Triple

T9795969

Position	Surface form	Disambiguated ID	Type / Status
Subject	Philippine Fault System	`E237717`	entity
Predicate	notableEarthquake	`P7350`	FINISHED
Object	2017 Leyte earthquake The 2017 Leyte earthquake was a powerful and destructive magnitude 6.5 tremor that struck Leyte in the central Philippines, causing significant damage, casualties, and widespread power outages.	`E823199`	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: 2017 Leyte earthquake | Statement: [Philippine Fault System, notableEarthquake, 2017 Leyte earthquake]

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

Target entity: 2017 Leyte earthquake
Context triple: [Philippine Fault System, notableEarthquake, 2017 Leyte earthquake]

A. 2013 Bohol earthquake
The 2013 Bohol earthquake was a powerful magnitude 7.2 quake that struck Bohol in the central Philippines, causing widespread destruction, significant loss of life, and severe damage to historic churches and infrastructure.
B. 1990 Luzon earthquake
The 1990 Luzon earthquake was a powerful magnitude 7.7 quake that struck northern Luzon in the Philippines, causing widespread destruction and thousands of deaths.
C. 2005 Nias–Simeulue earthquake
The 2005 Nias–Simeulue earthquake was a powerful magnitude 8.6 megathrust earthquake off the coast of northern Sumatra that caused widespread destruction and significant casualties in Indonesia.
D. 2010 Mentawai earthquake and tsunami
The 2010 Mentawai earthquake and tsunami was a powerful undersea megathrust event off western Sumatra that generated a destructive tsunami, killing hundreds of people and devastating coastal communities in the Mentawai Islands of Indonesia.
E. 1707 Hoei earthquake
The 1707 Hoei earthquake was a massive megathrust earthquake off southwestern Japan that triggered widespread destruction and a large tsunami, and is one of the most powerful earthquakes in Japanese history.
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: 2017 Leyte earthquake
Triple: [Philippine Fault System, notableEarthquake, 2017 Leyte earthquake]

Generated description

The 2017 Leyte earthquake was a powerful and destructive magnitude 6.5 tremor that struck Leyte in the central Philippines, causing significant damage, casualties, and widespread power outages.

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

Target entity: 2017 Leyte earthquake
Target entity description: The 2017 Leyte earthquake was a powerful and destructive magnitude 6.5 tremor that struck Leyte in the central Philippines, causing significant damage, casualties, and widespread power outages.

A. 2013 Bohol earthquake
The 2013 Bohol earthquake was a powerful magnitude 7.2 quake that struck Bohol in the central Philippines, causing widespread destruction, significant loss of life, and severe damage to historic churches and infrastructure.
B. 1990 Luzon earthquake
The 1990 Luzon earthquake was a powerful magnitude 7.7 quake that struck northern Luzon in the Philippines, causing widespread destruction and thousands of deaths.
C. 2005 Nias–Simeulue earthquake
The 2005 Nias–Simeulue earthquake was a powerful magnitude 8.6 megathrust earthquake off the coast of northern Sumatra that caused widespread destruction and significant casualties in Indonesia.
D. 2010 Mentawai earthquake and tsunami
The 2010 Mentawai earthquake and tsunami was a powerful undersea megathrust event off western Sumatra that generated a destructive tsunami, killing hundreds of people and devastating coastal communities in the Mentawai Islands of Indonesia.
E. 1707 Hoei earthquake
The 1707 Hoei earthquake was a massive megathrust earthquake off southwestern Japan that triggered widespread destruction and a large tsunami, and is one of the most powerful earthquakes in Japanese history.
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_69ca84dc04488190b9c91193976c0960`	completed	March 30, 2026, 2:12 p.m.
NER	Named-entity recognition	`batch_69cda34a53548190a8cb524381fe2bf9`	completed	April 1, 2026, 10:59 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69d1cc5118a481908a65d730f86c7723`	completed	April 5, 2026, 2:43 a.m.
NEDg	Description generation	`batch_69d1cce3d9d481909eaf7278dfe20955`	completed	April 5, 2026, 2:45 a.m.
NED2	Entity disambiguation (via description)	`batch_69d1cd5d1670819085c58ff8889318af`	completed	April 5, 2026, 2:47 a.m.

Created at: March 30, 2026, 8:28 p.m.