Triple
T11904345
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Stuttgart Stadtbahn |
E283234
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object |
DT 8.4
DT 8.4 is a type of light rail vehicle used on the Stuttgart Stadtbahn urban transit network in Germany.
|
E953848
|
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: DT 8.4 | Statement: [Stuttgart Stadtbahn, hasRollingStock, DT 8.4]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: DT 8.4 Context triple: [Stuttgart Stadtbahn, hasRollingStock, DT 8.4]
-
A.
DT 8
DT 8 is a type of light rail vehicle used on the Stuttgart Stadtbahn system in Germany.
-
B.
DT 8.10
DT 8.10 is a type of light rail vehicle used in the Stuttgart Stadtbahn system in Germany.
-
C.
DT 8.12
DT 8.12 is a type of light rail vehicle used on the Stuttgart Stadtbahn system in Germany.
-
D.
D8
D8 is the commonly used abbreviation for California Department of Transportation's District 8, which oversees state highways and transportation infrastructure in parts of Southern California.
-
E.
DTR 8
DTR 8 is a section of the UK Financial Conduct Authority’s Disclosure Guidance and Transparency Rules that sets out requirements for major shareholding notifications and related transparency obligations for issuers and investors.
- 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: DT 8.4 Triple: [Stuttgart Stadtbahn, hasRollingStock, DT 8.4]
Generated description
DT 8.4 is a type of light rail vehicle used on the Stuttgart Stadtbahn urban transit network in Germany.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: DT 8.4 Target entity description: DT 8.4 is a type of light rail vehicle used on the Stuttgart Stadtbahn urban transit network in Germany.
-
A.
DT 8
chosen
DT 8 is a type of light rail vehicle used on the Stuttgart Stadtbahn system in Germany.
-
B.
DT 8.10
DT 8.10 is a type of light rail vehicle used in the Stuttgart Stadtbahn system in Germany.
-
C.
DT 8.12
DT 8.12 is a type of light rail vehicle used on the Stuttgart Stadtbahn system in Germany.
-
D.
D8
D8 is the commonly used abbreviation for California Department of Transportation's District 8, which oversees state highways and transportation infrastructure in parts of Southern California.
-
E.
DTR 8
DTR 8 is a section of the UK Financial Conduct Authority’s Disclosure Guidance and Transparency Rules that sets out requirements for major shareholding notifications and related transparency obligations for issuers and investors.
- 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_69d6ab2c07e88190ba13b0d21fd6cf33 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d8e525460c81909d855048d9c799bf |
completed | April 10, 2026, 11:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f44004b454819091b41bac99895106 |
completed | May 1, 2026, 5:54 a.m. |
| NEDg | Description generation | batch_69f448fa8eec81909fe6ac0902f46998 |
completed | May 1, 2026, 6:32 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f44aef15148190ba8090681b921ffa |
completed | May 1, 2026, 6:40 a.m. |
Created at: April 8, 2026, 9:44 p.m.