Triple

T13047406

Position	Surface form	Disambiguated ID	Type / Status
Subject	Northeastern railway line of Thailand	`E327358`	entity
Predicate	branchLine	`P88670`	FINISHED
Object	Nakhon Ratchasima–Nong Khai branch The Nakhon Ratchasima–Nong Khai branch is a major railway route in northeastern Thailand that connects the city of Nakhon Ratchasima with the border town of Nong Khai near Laos.	`E1020877`	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: Nakhon Ratchasima–Nong Khai branch | Statement: [Northeastern railway line of Thailand, branchLine, Nakhon Ratchasima–Nong Khai branch]

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

Target entity: Nakhon Ratchasima–Nong Khai branch
Context triple: [Northeastern railway line of Thailand, branchLine, Nakhon Ratchasima–Nong Khai branch]

A. Nakhon Ratchasima–Ubon Ratchathani branch
The Nakhon Ratchasima–Ubon Ratchathani branch is a major northeastern Thai railway route connecting the city of Nakhon Ratchasima with Ubon Ratchathani near the border with Laos and Cambodia.
B. Nong Khai–Thanaleng railway
The Nong Khai–Thanaleng railway is a short international rail link connecting northeastern Thailand with Laos, serving as a key cross-border transport route between the two countries.
C. Southern Line railway of Thailand
The Southern Line railway of Thailand is a major rail corridor that runs from Bangkok down the Malay Peninsula, connecting numerous provinces and towns in southern Thailand.
D. Northern Line of the State Railway of Thailand
The Northern Line of the State Railway of Thailand is a major rail route running from Bangkok through central Thailand to the northern region, serving key cities such as Ayutthaya, Lopburi, Phitsanulok, and Chiang Mai.
E. Eastern Line (Thailand)
Eastern Line (Thailand) is a major railway corridor in Thailand that connects Bangkok with key eastern provinces and coastal destinations, including routes toward the Cambodian border.
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: Nakhon Ratchasima–Nong Khai branch
Triple: [Northeastern railway line of Thailand, branchLine, Nakhon Ratchasima–Nong Khai branch]

Generated description

The Nakhon Ratchasima–Nong Khai branch is a major railway route in northeastern Thailand that connects the city of Nakhon Ratchasima with the border town of Nong Khai near Laos.

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

Target entity: Nakhon Ratchasima–Nong Khai branch
Target entity description: The Nakhon Ratchasima–Nong Khai branch is a major railway route in northeastern Thailand that connects the city of Nakhon Ratchasima with the border town of Nong Khai near Laos.

A. Nakhon Ratchasima–Ubon Ratchathani branch
The Nakhon Ratchasima–Ubon Ratchathani branch is a major northeastern Thai railway route connecting the city of Nakhon Ratchasima with Ubon Ratchathani near the border with Laos and Cambodia.
B. Nong Khai–Thanaleng railway
The Nong Khai–Thanaleng railway is a short international rail link connecting northeastern Thailand with Laos, serving as a key cross-border transport route between the two countries.
C. Southern Line railway of Thailand
The Southern Line railway of Thailand is a major rail corridor that runs from Bangkok down the Malay Peninsula, connecting numerous provinces and towns in southern Thailand.
D. Northern Line of the State Railway of Thailand
The Northern Line of the State Railway of Thailand is a major rail route running from Bangkok through central Thailand to the northern region, serving key cities such as Ayutthaya, Lopburi, Phitsanulok, and Chiang Mai.
E. Eastern Line (Thailand)
Eastern Line (Thailand) is a major railway corridor in Thailand that connects Bangkok with key eastern provinces and coastal destinations, including routes toward the Cambodian border.
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_69d8076e64308190904fb5c93517c901`	completed	April 9, 2026, 8:09 p.m.
NER	Named-entity recognition	`batch_69d9805125e481908ed56f708de98a9e`	completed	April 10, 2026, 10:57 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f6d5fdd04c8190a86dbba1b81c8e6b`	completed	May 3, 2026, 4:58 a.m.
NEDg	Description generation	`batch_69f6da5695508190a96ca16a4e5c01ee`	completed	May 3, 2026, 5:17 a.m.
NED2	Entity disambiguation (via description)	`batch_69f6daeae96081908f6d9cda3ff7f961`	completed	May 3, 2026, 5:19 a.m.

Created at: April 9, 2026, 8:57 p.m.