Triple
T3025976
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Colombo–Matara railway line |
E82574
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | Western Province of Sri Lanka |
E136073
|
NE FINISHED |
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: Western Province of Sri Lanka | Statement: [Colombo–Matara railway line, regionServed, Western Province of Sri Lanka]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Western Province of Sri Lanka Context triple: [Colombo–Matara railway line, regionServed, Western Province of Sri Lanka]
-
A.
Eastern Province, Sri Lanka
Eastern Province, Sri Lanka is a coastal administrative region on the island’s eastern seaboard known for its ethnically diverse population, natural harbors, and key cities such as Trincomalee and Batticaloa.
-
B.
Southern Province, Sri Lanka
Southern Province, Sri Lanka is a coastal administrative region in the south of Sri Lanka known for its historic cities, beaches, and cultural heritage.
-
C.
Western Province, Sri Lanka
chosen
Western Province, Sri Lanka is the country’s most populous and economically significant province, encompassing the capital city of Colombo and serving as its main commercial and administrative hub.
-
D.
Northern Province, Sri Lanka
Northern Province, Sri Lanka is the island nation’s northernmost province, centered on the Jaffna Peninsula and known for its Tamil cultural heritage and post-civil war reconstruction.
-
E.
North Central Province, Sri Lanka
North Central Province, Sri Lanka is a largely rural administrative region known for its Sinhalese majority population, ancient irrigation systems, and important archaeological sites such as Anuradhapura.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69ad8b1fb34081908c1b873e2b7273e1 |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad9abc78b48190a5283e7407a78fe7 |
completed | March 8, 2026, 3:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b24b160dc08190950beca1a690243b |
completed | March 12, 2026, 5:11 a.m. |
Created at: March 8, 2026, 3 p.m.