Triple
T22358500
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Halkalı–Gebze commuter rail line |
E552717
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Maltepe station
Maltepe station is a railway station in Istanbul, Turkey, serving suburban and commuter rail services on the city’s Asian side.
|
E1547177
|
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: Maltepe station | Statement: [Halkalı–Gebze commuter rail line, hasStation, Maltepe station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Maltepe station Context triple: [Halkalı–Gebze commuter rail line, hasStation, Maltepe station]
-
A.
Bostancı station
Bostancı station is a railway stop in Istanbul, Turkey, serving passengers on the city’s Marmaray commuter rail system.
-
B.
Istanbul (Pendik) station
Istanbul (Pendik) station is a major railway hub on Istanbul’s Asian side that serves as a key terminus for Turkey’s high-speed train services.
-
C.
Yenikapı station
Yenikapı station is a major intermodal railway and metro hub in Istanbul, Turkey, serving suburban, intercity, and metro lines on the European side of the city.
-
D.
Fahrettin Altay station
Fahrettin Altay station is a major western terminus and transfer hub on the İzmir Metro system in İzmir, Turkey.
-
E.
Sincan station
Sincan station is a railway station in the Sincan district of Ankara, Turkey, serving as a stop on the city's Başkentray commuter rail system.
- 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: Maltepe station Triple: [Halkalı–Gebze commuter rail line, hasStation, Maltepe station]
Generated description
Maltepe station is a railway station in Istanbul, Turkey, serving suburban and commuter rail services on the city’s Asian side.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Maltepe station Target entity description: Maltepe station is a railway station in Istanbul, Turkey, serving suburban and commuter rail services on the city’s Asian side.
-
A.
Bostancı station
Bostancı station is a railway stop in Istanbul, Turkey, serving passengers on the city’s Marmaray commuter rail system.
-
B.
Istanbul (Pendik) station
Istanbul (Pendik) station is a major railway hub on Istanbul’s Asian side that serves as a key terminus for Turkey’s high-speed train services.
-
C.
Yenikapı station
Yenikapı station is a major intermodal railway and metro hub in Istanbul, Turkey, serving suburban, intercity, and metro lines on the European side of the city.
-
D.
Fahrettin Altay station
Fahrettin Altay station is a major western terminus and transfer hub on the İzmir Metro system in İzmir, Turkey.
-
E.
Sincan station
Sincan station is a railway station in the Sincan district of Ankara, Turkey, serving as a stop on the city's Başkentray commuter rail system.
- 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_69e11e4a0ad08190a385b4d343cf6524 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f157d1a87c8190a3e195cfbbb0d64f |
completed | April 29, 2026, 12:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0b5848b9908190befe8158b0168a4e |
completed | May 18, 2026, 6:19 p.m. |
| NEDg | Description generation | batch_6a0b6f5b85548190bd54f5a13dd27c5d |
completed | May 18, 2026, 7:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0b706cba28819091d40e7832e61f97 |
completed | May 18, 2026, 8:02 p.m. |
Created at: April 16, 2026, 8:44 p.m.