Triple
T18541541
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Burgdorf railway station |
E453111
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
BLS regional trains
BLS regional trains are local passenger rail services operated by the Swiss company BLS AG, connecting towns and cities within various regions of Switzerland.
|
E1328542
|
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: BLS regional trains | Statement: [Burgdorf railway station, servedBy, BLS regional trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BLS regional trains Context triple: [Burgdorf railway station, servedBy, BLS regional trains]
-
A.
RTD commuter rail
RTD commuter rail is a regional passenger rail system serving the Denver metropolitan area as part of the Regional Transportation District’s transit network.
-
B.
Biotrén commuter rail
Biotrén commuter rail is a suburban passenger train system serving the Greater Concepción metropolitan area in Chile, connecting key urban and outlying communities.
-
C.
A-train commuter rail
The A-train commuter rail is a regional passenger rail line in North Texas that connects Denton to the Dallas–Fort Worth area as part of the Denton County Transportation Authority network.
-
D.
DSB regional trains
DSB regional trains are Denmark’s regional rail services operated by DSB, connecting cities and towns across the country with frequent, medium-distance passenger routes.
-
E.
Sounder commuter rail
Sounder commuter rail is a regional passenger train service in the Seattle area that connects downtown Seattle with surrounding communities in Pierce and Snohomish counties.
- 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: BLS regional trains Triple: [Burgdorf railway station, servedBy, BLS regional trains]
Generated description
BLS regional trains are local passenger rail services operated by the Swiss company BLS AG, connecting towns and cities within various regions of Switzerland.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: BLS regional trains Target entity description: BLS regional trains are local passenger rail services operated by the Swiss company BLS AG, connecting towns and cities within various regions of Switzerland.
-
A.
RTD commuter rail
RTD commuter rail is a regional passenger rail system serving the Denver metropolitan area as part of the Regional Transportation District’s transit network.
-
B.
Biotrén commuter rail
Biotrén commuter rail is a suburban passenger train system serving the Greater Concepción metropolitan area in Chile, connecting key urban and outlying communities.
-
C.
A-train commuter rail
The A-train commuter rail is a regional passenger rail line in North Texas that connects Denton to the Dallas–Fort Worth area as part of the Denton County Transportation Authority network.
-
D.
DSB regional trains
DSB regional trains are Denmark’s regional rail services operated by DSB, connecting cities and towns across the country with frequent, medium-distance passenger routes.
-
E.
Sounder commuter rail
Sounder commuter rail is a regional passenger train service in the Seattle area that connects downtown Seattle with surrounding communities in Pierce and Snohomish counties.
- 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_69d8d387b5548190aa030dad2cb4947e |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e534b749b88190ad03b26bee3c89df |
completed | April 19, 2026, 8:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a049181e49c8190b606687f9b078b3a |
completed | May 13, 2026, 2:58 p.m. |
| NEDg | Description generation | batch_6a04920be21881908f8aac148aa0ae4d |
completed | May 13, 2026, 3 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0492a5f9148190911747f8d50540e3 |
completed | May 13, 2026, 3:03 p.m. |
Created at: April 10, 2026, 11:38 a.m.