Triple

T21748545

Position	Surface form	Disambiguated ID	Type / Status
Subject	Tonghua	`E536849`	entity
Predicate	hasRailway	`P848`	FINISHED
Object	Changchun–Baishan railway The Changchun–Baishan railway is a regional rail line in northeastern China that connects major cities in Jilin Province, supporting both passenger and freight transport across the area’s mountainous terrain.	`E1499752`	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: Changchun–Baishan railway | Statement: [Tonghua, hasRailway, Changchun–Baishan railway]

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

Target entity: Changchun–Baishan railway
Context triple: [Tonghua, hasRailway, Changchun–Baishan railway]

A. Changchun–Tumen railway
The Changchun–Tumen railway is a major rail line in Northeast China that links the inland city of Changchun with the border city of Tumen, serving as an important corridor for regional transport and trade.
B. Shenyang–Jilin Railway
The Shenyang–Jilin Railway is a major rail line in northeastern China that connects the cities of Shenyang and Jilin, serving as an important corridor for regional passenger and freight transport.
C. Harbin–Jiamusi railway
The Harbin–Jiamusi railway is a major rail line in northeastern China that connects the regional hub of Harbin with the city of Jiamusi, supporting both passenger and freight transport across Heilongjiang Province.
D. Changchun–Dalian railway corridor
The Changchun–Dalian railway corridor is a major rail route in Northeast China that connects the inland city of Changchun with the coastal port city of Dalian, serving as an important passenger and freight transport artery in the region.
E. Siping–Qiqihar railway
The Siping–Qiqihar railway is a major rail line in northeastern China that links the city of Siping in Jilin Province with Qiqihar in Heilongjiang, serving as an important corridor for regional transportation and economic activity.
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: Changchun–Baishan railway
Triple: [Tonghua, hasRailway, Changchun–Baishan railway]

Generated description

The Changchun–Baishan railway is a regional rail line in northeastern China that connects major cities in Jilin Province, supporting both passenger and freight transport across the area’s mountainous terrain.

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

Target entity: Changchun–Baishan railway
Target entity description: The Changchun–Baishan railway is a regional rail line in northeastern China that connects major cities in Jilin Province, supporting both passenger and freight transport across the area’s mountainous terrain.

A. Changchun–Tumen railway
The Changchun–Tumen railway is a major rail line in Northeast China that links the inland city of Changchun with the border city of Tumen, serving as an important corridor for regional transport and trade.
B. Shenyang–Jilin Railway
The Shenyang–Jilin Railway is a major rail line in northeastern China that connects the cities of Shenyang and Jilin, serving as an important corridor for regional passenger and freight transport.
C. Harbin–Jiamusi railway
The Harbin–Jiamusi railway is a major rail line in northeastern China that connects the regional hub of Harbin with the city of Jiamusi, supporting both passenger and freight transport across Heilongjiang Province.
D. Changchun–Dalian railway corridor
The Changchun–Dalian railway corridor is a major rail route in Northeast China that connects the inland city of Changchun with the coastal port city of Dalian, serving as an important passenger and freight transport artery in the region.
E. Siping–Qiqihar railway
The Siping–Qiqihar railway is a major rail line in northeastern China that links the city of Siping in Jilin Province with Qiqihar in Heilongjiang, serving as an important corridor for regional transportation and economic activity.
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_69e0c46eab808190b848242d63a17c47`	completed	April 16, 2026, 11:13 a.m.
NER	Named-entity recognition	`batch_69f01a77e19c81909bf26f96aa41a7ce`	completed	April 28, 2026, 2:24 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a0a2ee08d148190bda4aeeddc28c051`	completed	May 17, 2026, 9:10 p.m.
NEDg	Description generation	`batch_6a0a30369e04819091a175b93ed685a0`	completed	May 17, 2026, 9:16 p.m.
NED2	Entity disambiguation (via description)	`batch_6a0a30ded0f081909589e57a4cc030fd`	completed	May 17, 2026, 9:19 p.m.

Created at: April 16, 2026, 6:50 p.m.