Triple
T2720833
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Oyster card |
E60075
|
entity |
| Predicate | technology |
P1485
|
FINISHED |
| Object | RFID |
E8959
|
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: RFID | Statement: [Oyster card, technology, RFID]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: RFID Context triple: [Oyster card, technology, RFID]
-
A.
RFID
chosen
RFID (Radio-Frequency Identification) is a wireless technology that uses electromagnetic fields to automatically identify and track tagged objects, commonly employed in areas like inventory management, access control, and contactless payments.
-
B.
NFC
The NFC (National Football Conference) is one of the two conferences in the National Football League, comprising 16 teams that compete for a spot in the Super Bowl.
-
C.
NFC
NFC (Near Field Communication) is a short-range wireless communication technology commonly used for contactless payments, data exchange, and device pairing between nearby electronic devices.
-
D.
EPC Class 1 Gen 2
EPC Class 1 Gen 2 is a widely adopted UHF RFID air interface standard used for fast, reliable identification and tracking of tagged items in supply chain and inventory management applications.
-
E.
ISO/IEC 14443
ISO/IEC 14443 is an international standard that defines the protocols and characteristics for contactless proximity smart cards and readers, widely used in applications like public transport and secure identification.
- 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_69ab4b746d248190958e052045c09255 |
completed | March 6, 2026, 9:47 p.m. |
| NER | Named-entity recognition | batch_69abdab1cb808190b0789c76bc9cb090 |
completed | March 7, 2026, 7:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afb6914f70819099482893d026f34b |
completed | March 10, 2026, 6:13 a.m. |
Created at: March 6, 2026, 9:55 p.m.