Triple
T9269988
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | ETCS Level 2 |
E222799
|
entity |
| Predicate | uses |
P98
|
FINISHED |
| Object | Eurobalise |
E788602
|
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: Eurobalise | Statement: [ETCS Level 2, uses, Eurobalise]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eurobalise Context triple: [ETCS Level 2, uses, Eurobalise]
-
A.
Eurobalise
chosen
Eurobalise is a track-mounted transponder used in European railway signaling to transmit data to passing trains for control and safety purposes.
-
B.
Europa Reach
Europa Reach is a specific waterway or passage within the Douglas Channel system, likely serving as one of its navigable reaches along the British Columbia coast.
-
C.
EGNOS
EGNOS is a European satellite-based augmentation system that improves the accuracy and reliability of GPS signals for aviation and other safety-critical applications.
-
D.
Balsan
Balsan is a French surname most notably associated with Jacques Balsan, an industrialist and aviation pioneer linked to early 20th-century French high society.
-
E.
Hexagone Balard
Hexagone Balard is the main defense complex in Paris that serves as the central hub for France’s Ministry of the Armed Forces and top military command.
- 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.