Triple
T7998648
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alexanderplatz station |
E186189
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
Berlin tram line M6
Berlin tram line M6 is a major Metrolinie tram route in Berlin that connects the city center around Alexanderplatz with northeastern districts, providing frequent, high-capacity urban transit.
|
E146051
|
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: Berlin tram line M6 | Statement: [Alexanderplatz station, servedBy, Berlin tram line M6]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Berlin tram line M6 Context triple: [Alexanderplatz station, servedBy, Berlin tram line M6]
-
A.
Berlin tram
The Berlin tram is an extensive light rail network serving many districts of Germany’s capital, particularly in the eastern parts of the city, and forms a key component of its public transport system.
-
B.
Berlin U-Bahn line U6
Berlin U-Bahn line U6 is a major north–south underground metro line in Berlin that connects the northern district of Tegel with southern neighborhoods through the city center.
-
C.
S-Bahn line S6 (Munich S-Bahn)
S-Bahn line S6 (Munich S-Bahn) is a suburban rail service in the Munich S-Bahn network that connects central Munich with outlying areas including Starnberg and surrounding communities.
-
D.
Tram line 6 (Bern)
Tram line 6 (Bern) is a route within the public tram system of Bern, Switzerland, providing urban transit service along one of the city’s main corridors.
-
E.
Potsdam tram network
The Potsdam tram network is an urban light rail system serving the city of Potsdam, Germany, providing key public transportation links between its historic center, residential districts, 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: Berlin tram line M6 Triple: [Alexanderplatz station, servedBy, Berlin tram line M6]
Generated description
Berlin tram line M6 is a major Metrolinie tram route in Berlin that connects the city center around Alexanderplatz with northeastern districts, providing frequent, high-capacity urban transit.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Berlin tram line M6 Target entity description: Berlin tram line M6 is a major Metrolinie tram route in Berlin that connects the city center around Alexanderplatz with northeastern districts, providing frequent, high-capacity urban transit.
-
A.
Berlin tram
chosen
The Berlin tram is an extensive light rail network serving many districts of Germany’s capital, particularly in the eastern parts of the city, and forms a key component of its public transport system.
-
B.
Berlin U-Bahn line U6
Berlin U-Bahn line U6 is a major north–south underground metro line in Berlin that connects the northern district of Tegel with southern neighborhoods through the city center.
-
C.
S-Bahn line S6 (Munich S-Bahn)
S-Bahn line S6 (Munich S-Bahn) is a suburban rail service in the Munich S-Bahn network that connects central Munich with outlying areas including Starnberg and surrounding communities.
-
D.
Tram line 6 (Bern)
Tram line 6 (Bern) is a route within the public tram system of Bern, Switzerland, providing urban transit service along one of the city’s main corridors.
-
E.
Potsdam tram network
The Potsdam tram network is an urban light rail system serving the city of Potsdam, Germany, providing key public transportation links between its historic center, residential districts, and surrounding areas.
- F. None of above.
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_69ca82aaaf24819084b94d18f699ba53 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb3c9a12788190a5607a538f4e07c1 |
completed | March 31, 2026, 3:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cbe114372c819086f06e184d5ebde2 |
completed | March 31, 2026, 2:58 p.m. |
| NEDg | Description generation | batch_69cbe440a66c8190a5d5b417fb5082b7 |
completed | March 31, 2026, 3:12 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cc338a1c48819086ece073e04e8fa6 |
completed | March 31, 2026, 8:50 p.m. |
Created at: March 30, 2026, 5:17 p.m.