Triple
T427818
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chemnitz Hauptbahnhof |
E9646
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object |
Chemnitz Stadtbahn
Chemnitz Stadtbahn is a light rail and tram-train system in Chemnitz, Germany, that integrates urban tram lines with regional railway services to provide seamless public transport across the city and surrounding areas.
|
E57482
|
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: Chemnitz Stadtbahn | Statement: [Chemnitz Hauptbahnhof, connectsTo, Chemnitz Stadtbahn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chemnitz Stadtbahn Context triple: [Chemnitz Hauptbahnhof, connectsTo, Chemnitz Stadtbahn]
-
A.
Chemnitz–Annaberg-Buchholz railway
The Chemnitz–Annaberg-Buchholz railway is a regional rail line in the German state of Saxony that connects the city of Chemnitz with the Erzgebirge (Ore Mountains) town of Annaberg-Buchholz.
-
B.
Chemnitz–Flöha railway
The Chemnitz–Flöha railway is a regional rail line in the German state of Saxony that connects the city of Chemnitz with the town of Flöha as part of the local rail network.
-
C.
Chemnitz–Aue railway
The Chemnitz–Aue railway is a regional rail line in the German state of Saxony that connects the city of Chemnitz with the town of Aue through the Ore Mountains region.
-
D.
Chemnitz–Leipzig railway
The Chemnitz–Leipzig railway is a major rail line in the German state of Saxony that connects the cities of Chemnitz and Leipzig and serves both regional and long-distance passenger traffic.
-
E.
Chemnitz–Riesa railway
The Chemnitz–Riesa railway is a German rail line in Saxony that connects the city of Chemnitz with the important rail junction at Riesa, forming part of the regional and long-distance transport network.
- 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: Chemnitz Stadtbahn Triple: [Chemnitz Hauptbahnhof, connectsTo, Chemnitz Stadtbahn]
Generated description
Chemnitz Stadtbahn is a light rail and tram-train system in Chemnitz, Germany, that integrates urban tram lines with regional railway services to provide seamless public transport across the city and surrounding areas.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chemnitz Stadtbahn Target entity description: Chemnitz Stadtbahn is a light rail and tram-train system in Chemnitz, Germany, that integrates urban tram lines with regional railway services to provide seamless public transport across the city and surrounding areas.
-
A.
Chemnitz–Annaberg-Buchholz railway
The Chemnitz–Annaberg-Buchholz railway is a regional rail line in the German state of Saxony that connects the city of Chemnitz with the Erzgebirge (Ore Mountains) town of Annaberg-Buchholz.
-
B.
Chemnitz–Flöha railway
The Chemnitz–Flöha railway is a regional rail line in the German state of Saxony that connects the city of Chemnitz with the town of Flöha as part of the local rail network.
-
C.
Chemnitz–Aue railway
The Chemnitz–Aue railway is a regional rail line in the German state of Saxony that connects the city of Chemnitz with the town of Aue through the Ore Mountains region.
-
D.
Chemnitz–Leipzig railway
The Chemnitz–Leipzig railway is a major rail line in the German state of Saxony that connects the cities of Chemnitz and Leipzig and serves both regional and long-distance passenger traffic.
-
E.
Chemnitz–Riesa railway
The Chemnitz–Riesa railway is a German rail line in Saxony that connects the city of Chemnitz with the important rail junction at Riesa, forming part of the regional and long-distance transport network.
- 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_69a2e801e1d48190b505d1dd336b52ac |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2eed7f3508190995dcd39586ed614 |
completed | Feb. 28, 2026, 1:34 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a44f522acc81909d16527bd08e458d |
completed | March 1, 2026, 2:38 p.m. |
| NEDg | Description generation | batch_69a44fd970d881909ed3ae28debf4760 |
completed | March 1, 2026, 2:40 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4506c3d4881908eb97e489e4b9078 |
completed | March 1, 2026, 2:42 p.m. |
Created at: Feb. 28, 2026, 1:11 p.m.