Triple
T960205
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amsterdam Sloterdijk |
E20717
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
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.
|
E113441
|
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: GVB tram line 19 | Statement: [Amsterdam Sloterdijk, servedBy, GVB tram line 19]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: GVB tram line 19 Context triple: [Amsterdam Sloterdijk, servedBy, GVB tram line 19]
-
A.
Amsterdam tram network
The Amsterdam tram network is an extensive urban light rail system that serves as a primary mode of public transportation throughout Amsterdam, connecting key squares, neighborhoods, and transit hubs.
-
B.
GVB
GVB is Amsterdam’s primary public transport company, operating the city’s trams, buses, metro, and ferries.
-
C.
Brussels Metro
The Brussels Metro is the rapid transit system serving Belgium’s capital, forming the core of its urban public transportation network with multiple underground and light rail lines.
-
D.
Brussels tram system
The Brussels tram system is an extensive urban light rail network that complements the city’s metro and bus services, providing key public transportation across the Brussels-Capital Region.
-
E.
Amsterdam Metro line 51
Amsterdam Metro line 51 was a former hybrid metro–light rail line in Amsterdam that connected the city center with the southern suburbs, notably serving areas like Amstelveen.
- 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 19 Triple: [Amsterdam Sloterdijk, servedBy, GVB tram line 19]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: GVB tram line 19 Target entity description: 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.
-
A.
Amsterdam tram network
The Amsterdam tram network is an extensive urban light rail system that serves as a primary mode of public transportation throughout Amsterdam, connecting key squares, neighborhoods, and transit hubs.
-
B.
GVB
GVB is Amsterdam’s primary public transport company, operating the city’s trams, buses, metro, and ferries.
-
C.
Brussels Metro
The Brussels Metro is the rapid transit system serving Belgium’s capital, forming the core of its urban public transportation network with multiple underground and light rail lines.
-
D.
Brussels tram system
The Brussels tram system is an extensive urban light rail network that complements the city’s metro and bus services, providing key public transportation across the Brussels-Capital Region.
-
E.
Amsterdam Metro line 51
Amsterdam Metro line 51 was a former hybrid metro–light rail line in Amsterdam that connected the city center with the southern suburbs, notably serving areas like Amstelveen.
- 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_69a493b21f2881908132dcf45dcd2f36 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4b412f9f48190be123e8c20f38962 |
completed | March 1, 2026, 9:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac11a3f8c481908f9ed37c44788cb7 |
completed | March 7, 2026, 11:53 a.m. |
| NEDg | Description generation | batch_69ac1339634c8190b83c39db30fc78b1 |
completed | March 7, 2026, 11:59 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac13931cf081908de84000f7b037fc |
completed | March 7, 2026, 12:01 p.m. |
Created at: March 1, 2026, 7:40 p.m.