Triple
T6249145
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | La Sarraz |
E139999
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object |
Lausanne–Yverdon railway line
The Lausanne–Yverdon railway line is a key standard-gauge rail route in western Switzerland that connects the cities of Lausanne and Yverdon-les-Bains through the canton of Vaud.
|
E582285
|
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: Lausanne–Yverdon railway line | Statement: [La Sarraz, railwayLine, Lausanne–Yverdon railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lausanne–Yverdon railway line Context triple: [La Sarraz, railwayLine, Lausanne–Yverdon railway line]
-
A.
Lausanne–Geneva railway line
The Lausanne–Geneva railway line is a major Swiss rail corridor connecting the cities of Lausanne and Geneva along the northern shore of Lake Geneva, serving as a key route for both regional and international trains.
-
B.
Yverdon–Neuchâtel railway line
The Yverdon–Neuchâtel railway line is a standard-gauge rail route in western Switzerland that connects the towns of Yverdon-les-Bains and Neuchâtel along the southern shore of Lake Neuchâtel.
-
C.
Lausanne–Brig railway line
The Lausanne–Brig railway line is a major standard-gauge route in western Switzerland that runs along the northern shore of Lake Geneva and through the Rhône Valley, connecting the city of Lausanne with the alpine town of Brig.
-
D.
Lausanne–Villeneuve railway line
The Lausanne–Villeneuve railway line is a Swiss standard-gauge rail route along the north shore of Lake Geneva that connects Lausanne with the town of Villeneuve, serving numerous intermediate communities.
-
E.
Bern–Neuchâtel railway line
The Bern–Neuchâtel railway line is a key Swiss standard-gauge route connecting the federal city of Bern with Neuchâtel, serving both regional and intercity passenger traffic.
- 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: Lausanne–Yverdon railway line Triple: [La Sarraz, railwayLine, Lausanne–Yverdon railway line]
Generated description
The Lausanne–Yverdon railway line is a key standard-gauge rail route in western Switzerland that connects the cities of Lausanne and Yverdon-les-Bains through the canton of Vaud.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lausanne–Yverdon railway line Target entity description: The Lausanne–Yverdon railway line is a key standard-gauge rail route in western Switzerland that connects the cities of Lausanne and Yverdon-les-Bains through the canton of Vaud.
-
A.
Lausanne–Geneva railway line
The Lausanne–Geneva railway line is a major Swiss rail corridor connecting the cities of Lausanne and Geneva along the northern shore of Lake Geneva, serving as a key route for both regional and international trains.
-
B.
Yverdon–Neuchâtel railway line
The Yverdon–Neuchâtel railway line is a standard-gauge rail route in western Switzerland that connects the towns of Yverdon-les-Bains and Neuchâtel along the southern shore of Lake Neuchâtel.
-
C.
Lausanne–Brig railway line
The Lausanne–Brig railway line is a major standard-gauge route in western Switzerland that runs along the northern shore of Lake Geneva and through the Rhône Valley, connecting the city of Lausanne with the alpine town of Brig.
-
D.
Lausanne–Villeneuve railway line
The Lausanne–Villeneuve railway line is a Swiss standard-gauge rail route along the north shore of Lake Geneva that connects Lausanne with the town of Villeneuve, serving numerous intermediate communities.
-
E.
Bern–Neuchâtel railway line
The Bern–Neuchâtel railway line is a key Swiss standard-gauge route connecting the federal city of Bern with Neuchâtel, serving both regional and intercity passenger traffic.
- 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_69c008b4858c819095b0199114a9a87b |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c0633c5f2081909b0246e061f8a7d9 |
completed | March 22, 2026, 9:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c5191d2d248190b34edca246ee74b8 |
completed | March 26, 2026, 11:31 a.m. |
| NEDg | Description generation | batch_69c51ac2c2f88190a4e12725a5044fa9 |
completed | March 26, 2026, 11:38 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c582c674e0819083b3d5c4c7eb7826 |
completed | March 26, 2026, 7:02 p.m. |
Created at: March 22, 2026, 4:24 p.m.