Triple

T17820957
Position Surface form Disambiguated ID Type / Status
Subject River Etherow E444980 entity
Predicate associatedWith P37 FINISHED
Object Longdendale Chain reservoirs
The Longdendale Chain reservoirs are a series of interconnected man-made lakes in the Longdendale Valley in northern England, built in the 19th century to supply water to the growing industrial cities of the region.
E1289941 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: Longdendale Chain reservoirs | Statement: [River Etherow, associatedWith, Longdendale Chain reservoirs]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Longdendale Chain reservoirs
Context triple: [River Etherow, associatedWith, Longdendale Chain reservoirs]
  • A. Tittesworth Reservoir
    Tittesworth Reservoir is a scenic water reservoir and nature spot in Staffordshire, England, popular for walking, wildlife watching, and outdoor recreation.
  • B. Rivington Reservoirs
    Rivington Reservoirs are a chain of scenic man-made lakes in Lancashire, England, created in the 19th century to supply drinking water and now popular for walking, wildlife, and outdoor recreation.
  • C. Tring Reservoirs
    Tring Reservoirs is a group of man-made lakes in Hertfordshire, England, renowned as an important wetland nature reserve and birdwatching site.
  • D. Elan Valley reservoirs
    The Elan Valley reservoirs are a series of scenic man-made lakes in mid-Wales, created in the late 19th and early 20th centuries to supply water to Birmingham and now renowned for their dams, wildlife, and outdoor recreation.
  • E. Toddbrook Reservoir
    Toddbrook Reservoir is a man-made lake in Derbyshire, England, known for supplying water to the Peak Forest Canal and for the 2019 dam safety crisis that led to the evacuation of nearby Whaley Bridge.
  • 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: Longdendale Chain reservoirs
Triple: [River Etherow, associatedWith, Longdendale Chain reservoirs]
Generated description
The Longdendale Chain reservoirs are a series of interconnected man-made lakes in the Longdendale Valley in northern England, built in the 19th century to supply water to the growing industrial cities of the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Longdendale Chain reservoirs
Target entity description: The Longdendale Chain reservoirs are a series of interconnected man-made lakes in the Longdendale Valley in northern England, built in the 19th century to supply water to the growing industrial cities of the region.
  • A. Tittesworth Reservoir
    Tittesworth Reservoir is a scenic water reservoir and nature spot in Staffordshire, England, popular for walking, wildlife watching, and outdoor recreation.
  • B. Rivington Reservoirs
    Rivington Reservoirs are a chain of scenic man-made lakes in Lancashire, England, created in the 19th century to supply drinking water and now popular for walking, wildlife, and outdoor recreation.
  • C. Tring Reservoirs
    Tring Reservoirs is a group of man-made lakes in Hertfordshire, England, renowned as an important wetland nature reserve and birdwatching site.
  • D. Elan Valley reservoirs
    The Elan Valley reservoirs are a series of scenic man-made lakes in mid-Wales, created in the late 19th and early 20th centuries to supply water to Birmingham and now renowned for their dams, wildlife, and outdoor recreation.
  • E. Toddbrook Reservoir
    Toddbrook Reservoir is a man-made lake in Derbyshire, England, known for supplying water to the Peak Forest Canal and for the 2019 dam safety crisis that led to the evacuation of nearby Whaley Bridge.
  • 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_69d8b9f0de78819099395b14db75a8a6 completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e48910eb8881908db8ec08e2752d7d completed April 19, 2026, 7:49 a.m.
NED1 Entity disambiguation (via context triple) batch_6a02ff680b548190b6f1fbc09335ff31 completed May 12, 2026, 10:22 a.m.
NEDg Description generation batch_6a0300ca1ac88190b474ac8276d55445 completed May 12, 2026, 10:28 a.m.
NED2 Entity disambiguation (via description) batch_6a03017f7ea08190b3a98db1c429d04f completed May 12, 2026, 10:31 a.m.
Created at: April 10, 2026, 10:15 a.m.