Triple
T14868592
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Stadelhofen railway station |
E349680
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
Zürich tram line 4
Zürich tram line 4 is a major tram route in the city of Zürich, Switzerland, connecting key districts and transport hubs across the urban network.
|
E1127904
|
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: Zürich tram line 4 | Statement: [Stadelhofen railway station, servedBy, Zürich tram line 4]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Zürich tram line 4 Context triple: [Stadelhofen railway station, servedBy, Zürich tram line 4]
-
A.
Zürich tram network
The Zürich tram network is an extensive urban light rail system serving the city of Zürich and its suburbs, forming the backbone of the city’s public transportation.
-
B.
Zürich trolleybus network
The Zürich trolleybus network is an electric bus system in Zürich, Switzerland, forming a key component of the city’s public transport with multiple routes powered by overhead wires.
-
C.
Flexity Zürich tram
The Flexity Zürich tram is a modern low-floor light rail vehicle used in Zurich’s public transport system, designed for high passenger capacity, accessibility, and energy efficiency.
-
D.
Basel tram network
The Basel tram network is an extensive urban and regional tram system serving the Swiss city of Basel and its surrounding cross-border areas in France and Germany.
-
E.
Zürich S-Bahn
The Zürich S-Bahn is the suburban rail network serving the Zürich metropolitan area, connecting the main station with surrounding cities and regions through frequent, integrated commuter services.
- 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: Zürich tram line 4 Triple: [Stadelhofen railway station, servedBy, Zürich tram line 4]
Generated description
Zürich tram line 4 is a major tram route in the city of Zürich, Switzerland, connecting key districts and transport hubs across the urban network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Zürich tram line 4 Target entity description: Zürich tram line 4 is a major tram route in the city of Zürich, Switzerland, connecting key districts and transport hubs across the urban network.
-
A.
Zürich tram network
The Zürich tram network is an extensive urban light rail system serving the city of Zürich and its suburbs, forming the backbone of the city’s public transportation.
-
B.
Zürich trolleybus network
The Zürich trolleybus network is an electric bus system in Zürich, Switzerland, forming a key component of the city’s public transport with multiple routes powered by overhead wires.
-
C.
Flexity Zürich tram
The Flexity Zürich tram is a modern low-floor light rail vehicle used in Zurich’s public transport system, designed for high passenger capacity, accessibility, and energy efficiency.
-
D.
Basel tram network
The Basel tram network is an extensive urban and regional tram system serving the Swiss city of Basel and its surrounding cross-border areas in France and Germany.
-
E.
Zürich S-Bahn
The Zürich S-Bahn is the suburban rail network serving the Zürich metropolitan area, connecting the main station with surrounding cities and regions through frequent, integrated commuter services.
- 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_69d822ee4f408190b6ac3b2fa434f0df |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69ded5776b848190bfe3a06ff261dc31 |
completed | April 15, 2026, 12:01 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe7e7fc904819094269b7c785ead69 |
completed | May 9, 2026, 12:23 a.m. |
| NEDg | Description generation | batch_69fe8005a12881909d701188ab0a95b7 |
completed | May 9, 2026, 12:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fe8052b5fc8190841d65a736dadbce |
completed | May 9, 2026, 12:31 a.m. |
Created at: April 10, 2026, 1:55 a.m.