Triple
T9397635
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 14 (Paris Métro) |
E226384
|
entity |
| Predicate | hasTypeOfSignalling |
P19148
|
FINISHED |
| Object | CBTC |
E340578
|
NE FINISHED |
How this triple was built (3 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: CBTC | Statement: [Line 14 (Paris Métro), hasTypeOfSignalling, CBTC]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CBTC Context triple: [Line 14 (Paris Métro), hasTypeOfSignalling, CBTC]
-
A.
CBTC
chosen
CBTC (Communications-Based Train Control) is an advanced railway signalling system that uses continuous, high-capacity data communication to manage train movements with greater safety and efficiency.
-
B.
Siemens Trainguard MT
Siemens Trainguard MT is a communications-based train control (CBTC) signaling system developed by Siemens for fully automated and driverless metro and urban rail operations.
-
C.
CTCS-3
CTCS-3 is a high-level Chinese Train Control System standard used for advanced, high-speed railway signaling and train operation control.
-
D.
Automatic Train Operation (ATO)
Automatic Train Operation (ATO) is a railway control system that automates key driving functions such as acceleration, speed regulation, and braking to improve safety, efficiency, and consistency of train operations.
-
E.
CTC
CTC is the California Tahoe Conservancy, a state agency focused on environmental protection, public access, and resource management in the Lake Tahoe Basin.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasTypeOfSignalling Context triple: [Line 14 (Paris Métro), hasTypeOfSignalling, CBTC]
-
A.
hasSignTypes
Indicates that an entity is associated with one or more specific types or categories of signs.
-
B.
usesSignaling
Indicates that one entity communicates or coordinates with another by emitting, transmitting, or interpreting signals.
-
C.
signallingSystem
chosen
Indicates that one entity functions as a signalling system used to transmit information or cues to another entity.
-
D.
usesSignallingPractice
Indicates that one entity employs or follows a particular signalling practice in its communication or behavior.
-
E.
usesSignalingChannel
Indicates that one entity communicates or exchanges information with another through a specific signaling channel or medium.
- F. None of above.
Provenance (4 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_69ca843170f88190800a8ab2b5fc568e |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cd51541020819097da2eb60be73760 |
completed | April 1, 2026, 5:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1011aef64819085cbb7e04c2d87b2 |
completed | April 4, 2026, 12:16 p.m. |
| PD | Predicate disambiguation | batch_69cca545b2448190a4297312e39c21ac |
completed | April 1, 2026, 4:55 a.m. |
Created at: March 30, 2026, 7:46 p.m.