Triple
T22930128
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bambalapitiya |
E569411
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Coastal railway line |
—
|
NE NERFINISHED |
How this triple was built (2 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: Coastal railway line | Statement: [Bambalapitiya, servedBy, Coastal railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Coastal railway line Context triple: [Bambalapitiya, servedBy, Coastal railway line]
-
A.
Coastal line
chosen
The Coastal line is a major railway route in Sri Lanka that runs along the island’s southwestern and southern coastline, connecting Colombo with key coastal towns and cities.
-
B.
Coastal Railway (Rantarata)
Coastal Railway (Rantarata) is a major Finnish railway line running along the southern coast, connecting Helsinki with key western coastal towns and cities.
-
C.
North Coast railway line
The North Coast railway line is a major rail corridor in New South Wales, Australia, running along the state’s north coast and linking Sydney with Brisbane via numerous regional coastal centres.
-
D.
North Coast railway line
The North Coast railway line is a major rail corridor in Queensland, Australia, running along the state’s eastern seaboard and connecting key regional centres and cities.
-
E.
North Coast rail and road network
The North Coast rail and road network is a major transport corridor along South Africa’s KwaZulu-Natal north coast, integrating railway and highway routes that link key urban and industrial centers such as Durban and KwaDukuza.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e2458f7d008190901dccbaebeaba24 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f180dc33e8819099e5ad87207de57f |
completed | April 29, 2026, 3:54 a.m. |
Created at: April 17, 2026, 3:44 p.m.