Triple

T7791063
Position Surface form Disambiguated ID Type / Status
Subject Iskar River E180178 entity
Predicate flowsPast P4996 FINISHED
Object Cherven Bryag
Cherven Bryag is a town in northern Bulgaria known for its location along the Iskar River and its role as a regional transport and administrative center.
 E698320 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: Cherven Bryag | Statement: [Iskar River, flowsPast, Cherven Bryag]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cherven Bryag
Context triple: [Iskar River, flowsPast, Cherven Bryag]
  • A. Cherven
    Cherven was a significant medieval Bulgarian fortress town that served as an important military, economic, and administrative center during the Second Bulgarian Empire.
  • B. Cherni Iskar
    Cherni Iskar is a mountain river in Bulgaria that forms one of the principal headwaters of the Iskar River in the Rila Mountains.
  • C. Golyam Perelik
    Golyam Perelik is a prominent peak in southern Bulgaria, known as the tallest summit in the Rhodope Mountains and a notable destination for hikers and nature enthusiasts.
  • D. Cherni Vrah
    Cherni Vrah is the summit of Bulgaria’s Vitosha Mountain, a popular hiking destination overlooking the capital city of Sofia.
  • E. Byala
    Byala is a Bulgarian town situated along the Yantra River, known for its historic bridge and regional administrative role.
  • 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: Cherven Bryag
Triple: [Iskar River, flowsPast, Cherven Bryag]
Generated description
Cherven Bryag is a town in northern Bulgaria known for its location along the Iskar River and its role as a regional transport and administrative center.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cherven Bryag
Target entity description: Cherven Bryag is a town in northern Bulgaria known for its location along the Iskar River and its role as a regional transport and administrative center.
  • A. Cherven
    Cherven was a significant medieval Bulgarian fortress town that served as an important military, economic, and administrative center during the Second Bulgarian Empire.
  • B. Cherni Iskar
    Cherni Iskar is a mountain river in Bulgaria that forms one of the principal headwaters of the Iskar River in the Rila Mountains.
  • C. Golyam Perelik
    Golyam Perelik is a prominent peak in southern Bulgaria, known as the tallest summit in the Rhodope Mountains and a notable destination for hikers and nature enthusiasts.
  • D. Cherni Vrah
    Cherni Vrah is the summit of Bulgaria’s Vitosha Mountain, a popular hiking destination overlooking the capital city of Sofia.
  • E. Byala
    Byala is a Bulgarian town situated along the Yantra River, known for its historic bridge and regional administrative role.
  • 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_69ca827d22208190b4dc5aa680edcf5d completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cae9375dcc8190a6cb696c02aeceb7 completed March 30, 2026, 9:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69cb59f230d48190ad4cb08e9e73f19e completed March 31, 2026, 5:21 a.m.
NEDg Description generation batch_69cb5f1afe0c8190916c7a9b2eab9270 completed March 31, 2026, 5:43 a.m.
NED2 Entity disambiguation (via description) batch_69cb764973f88190964f91ee7e3fdc06 completed March 31, 2026, 7:22 a.m.
Created at: March 30, 2026, 4:30 p.m.