Triple
T1319122
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Barcelona El Prat Airport |
E28174
|
entity |
| Predicate | hasGroundTransport |
P1298
|
FINISHED |
| Object |
commuter rail R2 Nord
Commuter rail R2 Nord is a regional train line in Catalonia that connects Barcelona with northern destinations and serves key stops including Barcelona El Prat Airport.
|
E150487
|
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: commuter rail R2 Nord | Statement: [Barcelona El Prat Airport, hasGroundTransport, commuter rail R2 Nord]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: commuter rail R2 Nord Context triple: [Barcelona El Prat Airport, hasGroundTransport, commuter rail R2 Nord]
-
A.
RER network
The RER network is a rapid transit system of express suburban trains serving Paris and its surrounding metropolitan area, integrating both urban and regional rail services.
-
B.
RER B line
The RER B line is a major Paris regional express railway line that connects central Paris with key northern and southern suburbs, including Charles de Gaulle Airport.
-
C.
RER C
RER C is a major line of the Paris regional express rail network that connects central Paris with several suburbs and key destinations, including access to Orly Airport.
-
D.
RER A
RER A is one of the main lines of the Paris regional express network, carrying large volumes of commuters and travelers between central Paris and its suburbs.
-
E.
RER D
RER D is one of the main lines of the Paris regional express network (RER), connecting northern and southern suburbs through central Paris.
- 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: commuter rail R2 Nord Triple: [Barcelona El Prat Airport, hasGroundTransport, commuter rail R2 Nord]
Generated description
Commuter rail R2 Nord is a regional train line in Catalonia that connects Barcelona with northern destinations and serves key stops including Barcelona El Prat Airport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: commuter rail R2 Nord Target entity description: Commuter rail R2 Nord is a regional train line in Catalonia that connects Barcelona with northern destinations and serves key stops including Barcelona El Prat Airport.
-
A.
RER network
The RER network is a rapid transit system of express suburban trains serving Paris and its surrounding metropolitan area, integrating both urban and regional rail services.
-
B.
RER B line
The RER B line is a major Paris regional express railway line that connects central Paris with key northern and southern suburbs, including Charles de Gaulle Airport.
-
C.
RER C
RER C is a major line of the Paris regional express rail network that connects central Paris with several suburbs and key destinations, including access to Orly Airport.
-
D.
RER A
RER A is one of the main lines of the Paris regional express network, carrying large volumes of commuters and travelers between central Paris and its suburbs.
-
E.
RER D
RER D is one of the main lines of the Paris regional express network (RER), connecting northern and southern suburbs through central Paris.
- 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_69a498532c3481909223b74af2e578df |
completed | March 1, 2026, 7:49 p.m. |
| NER | Named-entity recognition | batch_69a4c1780be8819083a9365b8a49305d |
completed | March 1, 2026, 10:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acbaf3cef88190ab1635bc5f452f8b |
completed | March 7, 2026, 11:55 p.m. |
| NEDg | Description generation | batch_69acbb5ee684819083f5309dc9771c3a |
completed | March 7, 2026, 11:57 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69acbc010cd0819080b1f8695dc0990b |
completed | March 8, 2026, midnight |
Created at: March 1, 2026, 7:55 p.m.