Triple

T22231135

Position	Surface form	Disambiguated ID	Type / Status
Subject	Puttalam Line	`E549467`	entity
Predicate	hasIntermediateStation	`P24280`	FINISHED
Object	Madampe railway station	`—`	NE NERFINISHED

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: Madampe railway station | Statement: [Puttalam Line, hasIntermediateStation, Madampe railway station]

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

Target entity: Madampe railway station
Context triple: [Puttalam Line, hasIntermediateStation, Madampe railway station]

A. Heyendaal railway station
Heyendaal railway station is a local train station in Nijmegen, Netherlands, serving the university and hospital area around the Heyendaal campus.
B. Senaki railway station
Senaki railway station is a regional rail transport hub in western Georgia that serves passenger and freight trains on the country’s main railway network.
C. Bulli Railway Station
Bulli Railway Station is a suburban train station on the South Coast line in New South Wales, Australia, serving the coastal town of Bulli near Wollongong.
D. Matunga railway station
Matunga railway station is a suburban railway station on Mumbai's Central line, serving the Matunga neighborhood and daily commuters in the city.
E. Thivim railway station
Thivim railway station is a key rail hub in North Goa, India, serving as a primary access point for popular coastal areas including Calangute and other nearby beaches.
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: Madampe railway station
Target entity description: Madampe railway station is a local train stop in Sri Lanka situated on the Puttalam railway line, serving the town of Madampe and its surrounding areas.

A. Heyendaal railway station
Heyendaal railway station is a local train station in Nijmegen, Netherlands, serving the university and hospital area around the Heyendaal campus.
B. Senaki railway station
Senaki railway station is a regional rail transport hub in western Georgia that serves passenger and freight trains on the country’s main railway network.
C. Bulli Railway Station
Bulli Railway Station is a suburban train station on the South Coast line in New South Wales, Australia, serving the coastal town of Bulli near Wollongong.
D. Matunga railway station
Matunga railway station is a suburban railway station on Mumbai's Central line, serving the Matunga neighborhood and daily commuters in the city.
E. Thivim railway station
Thivim railway station is a key rail hub in North Goa, India, serving as a primary access point for popular coastal areas including Calangute and other nearby beaches.
F. None of above. chosen

Provenance (2 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_69e11e4102b881909cf47d3768e25c19`	completed	April 16, 2026, 5:37 p.m.
NER	Named-entity recognition	`batch_69f12bf2a26c81908aaf614d7c75e219`	completed	April 28, 2026, 9:51 p.m.

Created at: April 16, 2026, 8:38 p.m.