Triple

T5222617
Position Surface form Disambiguated ID Type / Status
Subject Kentish ragstone E117906 entity
Predicate partOf P40 FINISHED
Object Lower Greensand Group
The Lower Greensand Group is a Lower Cretaceous sedimentary rock formation in southern England, notable for its sandstones, ironstones, and building stones such as Kentish ragstone.
E503032 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: Lower Greensand Group | Statement: [Kentish ragstone, partOf, Lower Greensand Group]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lower Greensand Group
Context triple: [Kentish ragstone, partOf, Lower Greensand Group]
  • A. Sherwood Sandstone Group
    The Sherwood Sandstone Group is a major Triassic sandstone rock sequence in the UK, notable as an important aquifer and hydrocarbon reservoir across several sedimentary basins.
  • B. Mercia Mudstone Group
    The Mercia Mudstone Group is a thick sequence of predominantly red mudstones and siltstones of Triassic age widely distributed across parts of the UK, forming an important component of its subsurface geology.
  • C. Oxford Clay
    Oxford Clay is a Jurassic-age marine sedimentary rock formation in England renowned for its exceptionally well-preserved fossils, especially marine reptiles and invertebrates.
  • D. Suffolk Sandlings
    Suffolk Sandlings is a distinctive lowland heath and coastal landscape in eastern England, known for its sandy soils, rare wildlife habitats, and conservation importance.
  • E. London Clay Formation
    The London Clay Formation is an early Eocene marine clay deposit in southeast England, renowned for its rich fossil content and its importance in shaping the geology and engineering properties of the London area.
  • 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: Lower Greensand Group
Triple: [Kentish ragstone, partOf, Lower Greensand Group]
Generated description
The Lower Greensand Group is a Lower Cretaceous sedimentary rock formation in southern England, notable for its sandstones, ironstones, and building stones such as Kentish ragstone.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lower Greensand Group
Target entity description: The Lower Greensand Group is a Lower Cretaceous sedimentary rock formation in southern England, notable for its sandstones, ironstones, and building stones such as Kentish ragstone.
  • A. Sherwood Sandstone Group
    The Sherwood Sandstone Group is a major Triassic sandstone rock sequence in the UK, notable as an important aquifer and hydrocarbon reservoir across several sedimentary basins.
  • B. Mercia Mudstone Group
    The Mercia Mudstone Group is a thick sequence of predominantly red mudstones and siltstones of Triassic age widely distributed across parts of the UK, forming an important component of its subsurface geology.
  • C. Oxford Clay
    Oxford Clay is a Jurassic-age marine sedimentary rock formation in England renowned for its exceptionally well-preserved fossils, especially marine reptiles and invertebrates.
  • D. Suffolk Sandlings
    Suffolk Sandlings is a distinctive lowland heath and coastal landscape in eastern England, known for its sandy soils, rare wildlife habitats, and conservation importance.
  • E. London Clay Formation
    The London Clay Formation is an early Eocene marine clay deposit in southeast England, renowned for its rich fossil content and its importance in shaping the geology and engineering properties of the London area.
  • 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_69bd4465e03081909bfcfd7113062590 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd7abba82881908c030ba55146b8ea completed March 20, 2026, 4:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69beeff852bc81908467a343c5ded404 completed March 21, 2026, 7:22 p.m.
NEDg Description generation batch_69bef0761c208190bac06ff1f92c8224 completed March 21, 2026, 7:24 p.m.
NED2 Entity disambiguation (via description) batch_69bef14ca27c81909a5a44155c9ddaf9 completed March 21, 2026, 7:28 p.m.
Created at: March 20, 2026, 1:48 p.m.