Triple
T22407201
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Old Colombo Lighthouse (Clock Tower) |
E553907
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Sri Lanka Ports Authority (historical) |
—
|
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: Sri Lanka Ports Authority (historical) | Statement: [Old Colombo Lighthouse (Clock Tower), operator, Sri Lanka Ports Authority (historical)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sri Lanka Ports Authority (historical) Context triple: [Old Colombo Lighthouse (Clock Tower), operator, Sri Lanka Ports Authority (historical)]
-
A.
Sri Lanka Ports Authority
chosen
The Sri Lanka Ports Authority is the state-owned agency responsible for managing and developing Sri Lanka’s major commercial seaports and related maritime infrastructure.
-
B.
Colombo Port City Economic Commission
The Colombo Port City Economic Commission is the statutory authority responsible for regulating, administering, and promoting investment in the special economic and financial zone created on reclaimed land adjacent to Colombo, Sri Lanka.
-
C.
Sri Lanka Railways
Sri Lanka Railways is the state-owned national railway operator of Sri Lanka, providing passenger and freight rail services across the country.
-
D.
Kamarajar Port Limited
Kamarajar Port Limited is a public sector company under the Indian government that owns and operates Kamarajar Port, a major deep-water seaport near Chennai in Tamil Nadu.
-
E.
Ministry of Transport (Sri Lanka)
The Ministry of Transport (Sri Lanka) is the government body responsible for formulating and implementing national policies on transportation, including rail, road, and public transit systems across the country.
- 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_69e11e4da7048190b4387d422a9a0de5 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f158ba1c6481908e4b9b3635ed3a49 |
completed | April 29, 2026, 1:02 a.m. |
Created at: April 16, 2026, 8:46 p.m.