Triple
T2496794
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 397 |
E52168
|
entity |
| Predicate | safetySystem |
P840
|
FINISHED |
| Object |
GSM-R
GSM-R is a digital radio communication system used across European railways to provide secure voice and data links between trains and railway control centers.
|
E273829
|
NE FINISHED |
How this triple was built (4 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: GSM-R | Statement: [British Rail Class 397, safetySystem, GSM-R]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: GSM-R Context triple: [British Rail Class 397, safetySystem, GSM-R]
-
A.
GSM
GSM is the common abbreviation for Great St Mary’s Church, the historic University Church located in the center of Cambridge, England.
-
B.
GSM
GSM is a second-generation (2G) digital mobile communication standard that became the global foundation for cellular voice and basic data services.
-
C.
GSM core network
The GSM core network is the central backbone of GSM mobile systems, handling key functions such as switching, mobility management, authentication, and interconnection with other networks.
-
D.
3GPP
3GPP is an international standards organization that develops technical specifications for mobile telecommunications technologies, including 3G, 4G LTE, and 5G.
-
E.
IMT-2000 family
The IMT-2000 family is the ITU-defined global standard framework for third-generation (3G) mobile communication systems, encompassing multiple technologies such as UMTS and CDMA2000.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: GSM-R Triple: [British Rail Class 397, safetySystem, GSM-R]
Generated description
GSM-R is a digital radio communication system used across European railways to provide secure voice and data links between trains and railway control centers.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: GSM-R Target entity description: GSM-R is a digital radio communication system used across European railways to provide secure voice and data links between trains and railway control centers.
-
A.
GSM
GSM is a second-generation (2G) digital mobile communication standard that became the global foundation for cellular voice and basic data services.
-
B.
GSM
GSM is the common abbreviation for Great St Mary’s Church, the historic University Church located in the center of Cambridge, England.
-
C.
GSM core network
The GSM core network is the central backbone of GSM mobile systems, handling key functions such as switching, mobility management, authentication, and interconnection with other networks.
-
D.
3GPP
3GPP is an international standards organization that develops technical specifications for mobile telecommunications technologies, including 3G, 4G LTE, and 5G.
-
E.
IMT-2000 family
The IMT-2000 family is the ITU-defined global standard framework for third-generation (3G) mobile communication systems, encompassing multiple technologies such as UMTS and CDMA2000.
- F. None of above. chosen
Provenance (5 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_69ab4955111c8190835bf619adec21ff |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abd1abd3688190b5874249e1e333bc |
completed | March 7, 2026, 7:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af1f98a1a48190bc9eeb25868a2f9b |
completed | March 9, 2026, 7:29 p.m. |
| NEDg | Description generation | batch_69af236665488190ab178fe27bb078b6 |
completed | March 9, 2026, 7:45 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69af23eac91881908c232fa5ea0ed587 |
completed | March 9, 2026, 7:47 p.m. |
Created at: March 6, 2026, 9:46 p.m.