Triple
T501761
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Izmir |
E10416
|
entity |
| Predicate | hasPublicTransportSystem |
P474
|
FINISHED |
| Object |
Tram Izmir
Tram Izmir is a modern light rail tram network serving the Turkish city of İzmir as part of its urban public transportation system.
|
E62990
|
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: Tram Izmir | Statement: [Izmir, hasPublicTransportSystem, Tram Izmir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tram Izmir Context triple: [Izmir, hasPublicTransportSystem, Tram Izmir]
-
A.
Izmir Metro
Izmir Metro is a rapid transit rail system serving the city of Izmir, Turkey, providing high-capacity urban transportation across key districts.
-
B.
Trolebús
Trolebús is an electric trolleybus transit system serving Mexico City as part of its broader public transportation network.
-
C.
Lisbon Tramway
The Lisbon Tramway is a historic network of yellow streetcars that navigate Lisbon’s steep, narrow streets and serve as both public transport and a popular tourist attraction.
-
D.
M5000 tram
The M5000 tram is a modern light-rail vehicle used across the Manchester Metrolink network as its primary fleet for urban passenger services.
-
E.
İZBAN commuter rail
İZBAN commuter rail is a major suburban rail system serving the İzmir metropolitan area in Turkey, providing high-capacity, rapid transit along the city’s north–south axis.
- 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: Tram Izmir Triple: [Izmir, hasPublicTransportSystem, Tram Izmir]
Generated description
Tram Izmir is a modern light rail tram network serving the Turkish city of İzmir as part of its urban public transportation system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tram Izmir Target entity description: Tram Izmir is a modern light rail tram network serving the Turkish city of İzmir as part of its urban public transportation system.
-
A.
Izmir Metro
Izmir Metro is a rapid transit rail system serving the city of Izmir, Turkey, providing high-capacity urban transportation across key districts.
-
B.
Trolebús
Trolebús is an electric trolleybus transit system serving Mexico City as part of its broader public transportation network.
-
C.
Lisbon Tramway
The Lisbon Tramway is a historic network of yellow streetcars that navigate Lisbon’s steep, narrow streets and serve as both public transport and a popular tourist attraction.
-
D.
M5000 tram
The M5000 tram is a modern light-rail vehicle used across the Manchester Metrolink network as its primary fleet for urban passenger services.
-
E.
İZBAN commuter rail
İZBAN commuter rail is a major suburban rail system serving the İzmir metropolitan area in Turkey, providing high-capacity, rapid transit along the city’s north–south axis.
- 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_69a2e848adf881908e5e04f7af030093 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f131e2148190afd43402f505c73e |
completed | Feb. 28, 2026, 1:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a48a79ef808190a9dc34b58e16a160 |
completed | March 1, 2026, 6:50 p.m. |
| NEDg | Description generation | batch_69a48cb1b92881909b05794b7f792cad |
completed | March 1, 2026, 7 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a48d3ce3a48190a343496e874c21b6 |
completed | March 1, 2026, 7:02 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.