Triple
T9274733
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tartu Cathedral ruins |
E222916
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object |
historic centre of Tartu
The historic centre of Tartu is the old town area of Estonia’s second-largest city, known for its medieval street layout, university heritage, and preserved architectural and archaeological sites.
|
E787942
|
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: historic centre of Tartu | Statement: [Tartu Cathedral ruins, partOf, historic centre of Tartu]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: historic centre of Tartu Context triple: [Tartu Cathedral ruins, partOf, historic centre of Tartu]
-
A.
historic centre of Riga
The historic centre of Riga is a UNESCO-listed Old Town in Latvia’s capital, renowned for its well-preserved medieval street plan, Hanseatic architecture, and exceptional collection of Art Nouveau buildings.
-
B.
Tartu Town Hall
Tartu Town Hall is an 18th-century Baroque-style municipal building and iconic centerpiece of Tartu’s historic town square in Estonia.
-
C.
historic centre of Klaipėda
The historic centre of Klaipėda is the old town district of Lithuania’s main seaport, known for its German-influenced architecture, cobbled streets, and cultural landmarks.
-
D.
Tartu Cathedral ruins
Tartu Cathedral ruins are the remains of a medieval brick Gothic cathedral on Toome Hill in Tartu, Estonia, now serving as a historic monument and scenic landmark.
-
E.
University of Tartu Museum
The University of Tartu Museum is a cultural and scientific museum in Tartu, Estonia, showcasing the history, heritage, and research legacy of the University of Tartu.
- 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: historic centre of Tartu Triple: [Tartu Cathedral ruins, partOf, historic centre of Tartu]
Generated description
The historic centre of Tartu is the old town area of Estonia’s second-largest city, known for its medieval street layout, university heritage, and preserved architectural and archaeological sites.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: historic centre of Tartu Target entity description: The historic centre of Tartu is the old town area of Estonia’s second-largest city, known for its medieval street layout, university heritage, and preserved architectural and archaeological sites.
-
A.
historic centre of Riga
The historic centre of Riga is a UNESCO-listed Old Town in Latvia’s capital, renowned for its well-preserved medieval street plan, Hanseatic architecture, and exceptional collection of Art Nouveau buildings.
-
B.
Tartu Town Hall
Tartu Town Hall is an 18th-century Baroque-style municipal building and iconic centerpiece of Tartu’s historic town square in Estonia.
-
C.
historic centre of Klaipėda
The historic centre of Klaipėda is the old town district of Lithuania’s main seaport, known for its German-influenced architecture, cobbled streets, and cultural landmarks.
-
D.
Tartu Cathedral ruins
Tartu Cathedral ruins are the remains of a medieval brick Gothic cathedral on Toome Hill in Tartu, Estonia, now serving as a historic monument and scenic landmark.
-
E.
University of Tartu Museum
The University of Tartu Museum is a cultural and scientific museum in Tartu, Estonia, showcasing the history, heritage, and research legacy of the University of Tartu.
- 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_69ca841ffe208190aa7bcffbef2f8379 |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cd078a045c8190b2c4d1ec64b932ad |
completed | April 1, 2026, 11:54 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d09c3dd140819099fc0e95c4d48ba9 |
completed | April 4, 2026, 5:06 a.m. |
| NEDg | Description generation | batch_69d09cf1f2f48190b53e062c3eb4565d |
completed | April 4, 2026, 5:09 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d09d9739d48190ac3b240390f36c38 |
completed | April 4, 2026, 5:11 a.m. |
Created at: March 30, 2026, 7:33 p.m.