Triple

T3015401

Position	Surface form	Disambiguated ID	Type / Status
Subject	Fengtai District	`E82323`	entity
Predicate	railTransport	`P18201`	FINISHED
Object	served by Beijing–Kowloon Railway The Beijing–Kowloon Railway is a major north–south rail line in China that connects the capital Beijing with Kowloon in Hong Kong, serving numerous cities and districts along its route.	`E317842`	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: served by Beijing–Kowloon Railway | Statement: [Fengtai District, railTransport, served by Beijing–Kowloon Railway]

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

Target entity: served by Beijing–Kowloon Railway
Context triple: [Fengtai District, railTransport, served by Beijing–Kowloon Railway]

A. Guangzhou–Shenzhen–Hong Kong Express Rail Link
The Guangzhou–Shenzhen–Hong Kong Express Rail Link is a high-speed railway corridor connecting major cities in southern China with Hong Kong, significantly reducing travel times and enhancing cross-border transportation.
B. MTR Tseung Kwan O Line
The MTR Tseung Kwan O Line is a rapid transit line of Hong Kong’s Mass Transit Railway system that connects urban Kowloon with the Tseung Kwan O New Town in the New Territories.
C. MTR Tung Chung Line
The MTR Tung Chung Line is a major Hong Kong metro line that connects urban Kowloon and Hong Kong Island with the new town of Tung Chung and the airport area on Lantau Island.
D. Beijing–Hong Kong (Taipei) high-speed rail corridor
The Beijing–Hong Kong (Taipei) high-speed rail corridor is a major north–south trunk line in China’s high-speed rail network, planned to link the capital Beijing with Hong Kong and onward toward Taipei as part of the national “eight vertical and eight horizontal” system.
E. MTR Airport Express
MTR Airport Express is a high-speed rail service in Hong Kong that links Hong Kong International Airport with the city’s urban rail 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: served by Beijing–Kowloon Railway
Triple: [Fengtai District, railTransport, served by Beijing–Kowloon Railway]

Generated description

The Beijing–Kowloon Railway is a major north–south rail line in China that connects the capital Beijing with Kowloon in Hong Kong, serving numerous cities and districts along its route.

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

Target entity: served by Beijing–Kowloon Railway
Target entity description: The Beijing–Kowloon Railway is a major north–south rail line in China that connects the capital Beijing with Kowloon in Hong Kong, serving numerous cities and districts along its route.

A. Guangzhou–Shenzhen–Hong Kong Express Rail Link
The Guangzhou–Shenzhen–Hong Kong Express Rail Link is a high-speed railway corridor connecting major cities in southern China with Hong Kong, significantly reducing travel times and enhancing cross-border transportation.
B. MTR Tseung Kwan O Line
The MTR Tseung Kwan O Line is a rapid transit line of Hong Kong’s Mass Transit Railway system that connects urban Kowloon with the Tseung Kwan O New Town in the New Territories.
C. MTR Tung Chung Line
The MTR Tung Chung Line is a major Hong Kong metro line that connects urban Kowloon and Hong Kong Island with the new town of Tung Chung and the airport area on Lantau Island.
D. Beijing–Hong Kong (Taipei) high-speed rail corridor
The Beijing–Hong Kong (Taipei) high-speed rail corridor is a major north–south trunk line in China’s high-speed rail network, planned to link the capital Beijing with Hong Kong and onward toward Taipei as part of the national “eight vertical and eight horizontal” system.
E. MTR Airport Express
MTR Airport Express is a high-speed rail service in Hong Kong that links Hong Kong International Airport with the city’s urban rail 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_69ad8b1eb53481908c39bbcd1ec104b2`	completed	March 8, 2026, 2:43 p.m.
NER	Named-entity recognition	`batch_69ad9a6b37288190a6965d183ca4b08b`	completed	March 8, 2026, 3:48 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69b12e6b78448190beb41460314278ec`	completed	March 11, 2026, 8:57 a.m.
NEDg	Description generation	`batch_69b12faf75ac81909031430d58919c95`	completed	March 11, 2026, 9:02 a.m.
NED2	Entity disambiguation (via description)	`batch_69b1c7d3f2c88190aa26d8d12777b2a2`	completed	March 11, 2026, 7:51 p.m.

Created at: March 8, 2026, 3 p.m.