Triple
T9269989
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | ETCS Level 2 |
E222799
|
entity |
| Predicate | uses |
P98
|
FINISHED |
| Object | Radio Block Centre |
E789035
|
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: Radio Block Centre | Statement: [ETCS Level 2, uses, Radio Block Centre]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Radio Block Centre Context triple: [ETCS Level 2, uses, Radio Block Centre]
-
A.
Radio Block Centre
chosen
The Radio Block Centre is a vital control unit in modern railway signalling that manages train movements by continuously communicating movement authorities and speed restrictions to trains via radio.
-
B.
Radio Bay
Radio Bay is a small coastal inlet and recreational area located within Hilo Bay on the eastern shore of Hawaii’s Big Island.
-
C.
Nerve Centre
"Nerve Centre" is a track by the New Zealand rock band Oceanic, likely featuring their characteristic atmospheric and melodic sound.
-
D.
Radar
Radar is the nickname of American professional golfer Michael Reid, known for his accuracy and steady play on the PGA Tour.
-
E.
Room 40
Room 40 was the British Admiralty’s World War I codebreaking unit, famed for intercepting and decrypting German communications such as the Zimmermann Telegram.
- 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_69ca841ffe208190aa7bcffbef2f8379 |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cd078525308190abfb883123742d3f |
completed | April 1, 2026, 11:54 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d0b1ecfadc81909adf95fbbc77c389 |
completed | April 4, 2026, 6:38 a.m. |
Created at: March 30, 2026, 7:33 p.m.