Triple

T17362540

Position	Surface form	Disambiguated ID	Type / Status
Subject	Kandy railway station	`E422103`	entity
Predicate	railwayLine	`P848`	FINISHED
Object	Matale Line	`—`	NE ONNED1

How this triple was built (3 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: Matale Line | Statement: [Kandy railway station, railwayLine, Matale Line]

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

Target entity: Matale Line
Context triple: [Kandy railway station, railwayLine, Matale Line]

A. Matara Line
The Matara Line is a major coastal railway route in Sri Lanka that runs south from Colombo toward the city of Matara, serving numerous towns along the shoreline.
B. Chilonzor Line
The Chilonzor Line is one of the main rapid transit lines of the Tashkent Metro in Uzbekistan, serving key residential and commercial districts of the city.
C. Batong Line
The Batong Line is a rapid transit line in Beijing that extends the Beijing Subway network eastward into the suburban Tongzhou District.
D. Pangrango Line
The Pangrango Line is a passenger railway route in West Java, Indonesia, connecting Bogor with Sukabumi and serving as an important regional commuter and intercity link.
E. Chollima Line
The Chollima Line is one of the main lines of the Pyongyang Metro in North Korea, known for its deep underground stations and ornate socialist-realist decor.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

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

Target entity: Matale Line
Target entity description: The Matale Line is a branch railway line in Sri Lanka that runs through the central highlands, connecting Kandy with the town of Matale and serving key inland communities.

A. Matara Line
The Matara Line is a major coastal railway route in Sri Lanka that runs south from Colombo toward the city of Matara, serving numerous towns along the shoreline.
B. Chilonzor Line
The Chilonzor Line is one of the main rapid transit lines of the Tashkent Metro in Uzbekistan, serving key residential and commercial districts of the city.
C. Batong Line
The Batong Line is a rapid transit line in Beijing that extends the Beijing Subway network eastward into the suburban Tongzhou District.
D. Pangrango Line
The Pangrango Line is a passenger railway route in West Java, Indonesia, connecting Bogor with Sukabumi and serving as an important regional commuter and intercity link.
E. Chollima Line
The Chollima Line is one of the main lines of the Pyongyang Metro in North Korea, known for its deep underground stations and ornate socialist-realist decor.
F. None of above. chosen

Provenance (3 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_69d889d520008190a26917a95bf1c2ea`	completed	April 10, 2026, 5:25 a.m.
NER	Named-entity recognition	`batch_69e43a4e3c3481909dfaa00334c5010e`	completed	April 19, 2026, 2:13 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a01956294ec819083c1dde8fc2685e4`	in_progress	May 11, 2026, 8:37 a.m.

Created at: April 10, 2026, 5:44 a.m.