Triple

T6542566

Position	Surface form	Disambiguated ID	Type / Status
Subject	Tianjin West Railway Station	`E168325`	entity
Predicate	partOf	`P40`	FINISHED
Object	Tianjin–Qinhuangdao Railway The Tianjin–Qinhuangdao Railway is a major high-speed rail corridor in northern China that connects the coastal city of Tianjin with Qinhuangdao, facilitating rapid passenger and freight transport along the Bohai Rim.	`E610919`	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: Tianjin–Qinhuangdao Railway | Statement: [Tianjin West Railway Station, partOf, Tianjin–Qinhuangdao Railway]

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

Target entity: Tianjin–Qinhuangdao Railway
Context triple: [Tianjin West Railway Station, partOf, Tianjin–Qinhuangdao Railway]

A. Qinhuangdao–Shenyang Railway
The Qinhuangdao–Shenyang Railway is a major heavy-haul rail line in northeastern China that primarily carries coal from inland production areas to coastal ports for export and domestic use.
B. Beijing–Harbin railway
The Beijing–Harbin railway is a major trunk rail line in northeastern China that connects the capital Beijing with the city of Harbin, serving as a key corridor for passenger and freight transport.
C. Shenyang–Fuxin Railway
The Shenyang–Fuxin Railway is a regional rail line in Liaoning Province, China, connecting the major city of Shenyang with the city of Fuxin and serving both passenger and freight transport.
D. Shijiazhuang–Jinan Railway
The Shijiazhuang–Jinan Railway is a major rail line in northern China that connects the cities of Shijiazhuang in Hebei Province and Jinan in Shandong Province, serving as an important regional transportation corridor.
E. Tianjin–Baoding Intercity Railway
The Tianjin–Baoding Intercity Railway is a high-speed rail line in northern China that connects the cities of Tianjin and Baoding as part of the Beijing–Tianjin–Hebei regional transport network.
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: Tianjin–Qinhuangdao Railway
Triple: [Tianjin West Railway Station, partOf, Tianjin–Qinhuangdao Railway]

Generated description

The Tianjin–Qinhuangdao Railway is a major high-speed rail corridor in northern China that connects the coastal city of Tianjin with Qinhuangdao, facilitating rapid passenger and freight transport along the Bohai Rim.

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

Target entity: Tianjin–Qinhuangdao Railway
Target entity description: The Tianjin–Qinhuangdao Railway is a major high-speed rail corridor in northern China that connects the coastal city of Tianjin with Qinhuangdao, facilitating rapid passenger and freight transport along the Bohai Rim.

A. Qinhuangdao–Shenyang Railway
The Qinhuangdao–Shenyang Railway is a major heavy-haul rail line in northeastern China that primarily carries coal from inland production areas to coastal ports for export and domestic use.
B. Beijing–Harbin railway
The Beijing–Harbin railway is a major trunk rail line in northeastern China that connects the capital Beijing with the city of Harbin, serving as a key corridor for passenger and freight transport.
C. Shenyang–Fuxin Railway
The Shenyang–Fuxin Railway is a regional rail line in Liaoning Province, China, connecting the major city of Shenyang with the city of Fuxin and serving both passenger and freight transport.
D. Shijiazhuang–Jinan Railway
The Shijiazhuang–Jinan Railway is a major rail line in northern China that connects the cities of Shijiazhuang in Hebei Province and Jinan in Shandong Province, serving as an important regional transportation corridor.
E. Tianjin–Baoding Intercity Railway
The Tianjin–Baoding Intercity Railway is a high-speed rail line in northern China that connects the cities of Tianjin and Baoding as part of the Beijing–Tianjin–Hebei regional transport network.
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_69c68a51564081909e93aee0dbd9cca3`	completed	March 27, 2026, 1:46 p.m.
NER	Named-entity recognition	`batch_69c6add9036081908917ff27ceed1038`	completed	March 27, 2026, 4:18 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c6f782dfb481909e65bb9444ddcda1`	completed	March 27, 2026, 9:32 p.m.
NEDg	Description generation	`batch_69c6f8946b2c8190b18edff8523cf565`	completed	March 27, 2026, 9:37 p.m.
NED2	Entity disambiguation (via description)	`batch_69c6f96c215081909e9d7a6e0a811f18`	completed	March 27, 2026, 9:41 p.m.

Created at: March 27, 2026, 1:50 p.m.