Triple
T8306636
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amstelstation |
E194478
|
entity |
| Predicate | servesTramLine |
P6301
|
FINISHED |
| Object |
GVB tram line 12
GVB tram line 12 is a tram route in Amsterdam operated by the municipal transport company GVB, connecting key districts and transport hubs within the city.
|
E724780
|
NE FINISHED |
How this triple was built (5 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: GVB tram line 12 | Statement: [Amstelstation, servesTramLine, GVB tram line 12]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: GVB tram line 12 Context triple: [Amstelstation, servesTramLine, GVB tram line 12]
-
A.
GVB tram line 11
GVB tram line 11 is a former Amsterdam tram route that connected the city center with the western districts, operated by the municipal transport company GVB.
-
B.
GVB tram line 1
GVB tram line 1 is a major Amsterdam tram route operated by GVB that connects the city center with western districts and suburbs.
-
C.
GVB tram line 19
GVB tram line 19 is a public transport tram route in Amsterdam operated by GVB that connects key districts and hubs across the city, including Amsterdam Sloterdijk.
-
D.
GVB tram line 7
GVB tram line 7 is an Amsterdam tram route operated by GVB that connects several central and residential districts, serving key locations including major streets and cultural areas.
-
E.
GVB Tram
GVB Tram is the tram network operated by Amsterdam’s municipal public transport company, providing urban rail services throughout the city and surrounding areas.
- 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: GVB tram line 12 Triple: [Amstelstation, servesTramLine, GVB tram line 12]
Generated description
GVB tram line 12 is a tram route in Amsterdam operated by the municipal transport company GVB, connecting key districts and transport hubs within the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: GVB tram line 12 Target entity description: GVB tram line 12 is a tram route in Amsterdam operated by the municipal transport company GVB, connecting key districts and transport hubs within the city.
-
A.
GVB tram line 11
GVB tram line 11 is a former Amsterdam tram route that connected the city center with the western districts, operated by the municipal transport company GVB.
-
B.
GVB tram line 1
GVB tram line 1 is a major Amsterdam tram route operated by GVB that connects the city center with western districts and suburbs.
-
C.
GVB tram line 19
GVB tram line 19 is a public transport tram route in Amsterdam operated by GVB that connects key districts and hubs across the city, including Amsterdam Sloterdijk.
-
D.
GVB tram line 7
GVB tram line 7 is an Amsterdam tram route operated by GVB that connects several central and residential districts, serving key locations including major streets and cultural areas.
-
E.
GVB Tram
GVB Tram is the tram network operated by Amsterdam’s municipal public transport company, providing urban rail services throughout the city and surrounding areas.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: servesTramLine Context triple: [Amstelstation, servesTramLine, GVB tram line 12]
-
A.
appliesToTransitLine
Indicates that a rule, condition, or characteristic is specifically associated with and relevant to a particular transit line.
-
B.
transportationServedBy
Indicates that a transportation facility, route, or area is provided service or coverage by a specific transportation provider or mode.
-
C.
subwayLine
Indicates that there is a subway line connection or service relationship between the referenced entities.
-
D.
lineServed
chosen
Indicates that a particular transportation line (such as a bus, train, or metro line) provides service to or is operated at a given stop, station, or route segment.
-
E.
hasTramway
Indicates that a location or area is served by, contains, or is connected to a tramway system.
- F. None of above.
Provenance (6 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_69ca82e613e88190bf8139669bbd0d53 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb7f293db08190912e5e8bb7e940cf |
completed | March 31, 2026, 8 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd955100448190862fd52d660585fd |
completed | April 1, 2026, 9:59 p.m. |
| NEDg | Description generation | batch_69cda342c10881908ebafc7853815424 |
completed | April 1, 2026, 10:59 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cdab736f208190a90bd4344b21a22c |
completed | April 1, 2026, 11:34 p.m. |
| PD | Predicate disambiguation | batch_69cb70bb3a708190bc705222092da614 |
completed | March 31, 2026, 6:59 a.m. |
Created at: March 30, 2026, 5:54 p.m.