Duplicate decision #2817

On the Nature of Things

Approved Unique 95% confidence · llm:qwen3.5:9b

Why this decision was made

The records represent the same work (On the Nature of Things by Lucretius) but differ in author name normalization ('Lucretius' vs 'Titus Lucretius Carus') and source identifiers (Global Grey vs Project Gutenberg). According to policy, these are distinct metadata records for the same underlying book.

Index version: 2
Created: 2026-11-03 06:32 UTC
Last updated: 2026-11-03 06:32 UTC

Incoming candidate

On the Nature of Things

catalog · catalog:globalgrey:f85a7485a255f6137f730623b8f534dd6d4332c8

Candidate

Authors: Lucretius
Language: english
Volume or part: None detected
Edition markers: None detected
Source identifier: globalgrey:https://www.globalgreyebooks.com/book-page/on-the-nature-of-things-ebook.html
Gutenberg ID: Not provided
Source URL: https://www.globalgreyebooks.com/book-page/on-the-nature-of-things-ebook.html

Local library

On the Nature of Things

Local book #1093

Downloaded

Authors: Titus Lucretius Carus
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 785
Local EPUB: data/epubs/pg785.epub File missing
Source URL: https://www.gutenberg.org/ebooks/785.epub.noimages
Description: Lucretius's epic poem expounds Epicurean physics, arguing that the universe consists of eternal atoms and void, rejecting divine intervention and the fear of death. Through vivid imagery and logical deduction, he dismantles superstition to reveal a rational, materialist cosmos where nature operates by fixed laws, offering peace through understanding.

View exact record Open source

Title similarity100%

Author similarity67%

Local library

Concerning the nature of things

Local book #7106

Downloaded

Authors: William Henry Bragg
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 79146
Local EPUB: data/epubs/pg79146.epub File present
Source URL: https://www.gutenberg.org/ebooks/79146.epub.noimages
Description: Sir William Henry Bragg explores the invisible world of atoms and molecules, explaining how their motion and attraction define states of matter like liquids and solids. Through vivid experiments with evaporation, ice crystals, and steel alloys, he reveals the hidden forces shaping our physical reality.

View exact record Open source

Title similarity93%

Author similarity21%

Upload queue

Concerning the nature of things

Local book #7106

Queued

Authors: William Henry Bragg
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 79146
Local EPUB: data/epubs/pg79146.epub File present
Source URL: https://www.gutenberg.org/ebooks/79146.epub.noimages
Description: Sir William Henry Bragg explores the invisible world of atoms and molecules, explaining how their motion and attraction define states of matter like liquids and solids. Through vivid experiments with evaporation, ice crystals, and steel alloys, he reveals the hidden forces shaping our physical reality.

View exact record Open source

Title similarity93%

Author similarity21%

Upload queue

Concerning the nature of things

Local book #7106

Queued

Authors: William Henry Bragg
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 79146
Local EPUB: data/epubs/pg79146.epub File present
Source URL: https://www.gutenberg.org/ebooks/79146.epub.noimages
Description: Sir William Henry Bragg explores the invisible world of atoms and molecules, explaining how their motion and attraction define states of matter like liquids and solids. Through vivid experiments with evaporation, ice crystals, and steel alloys, he reveals the hidden forces shaping our physical reality.

View exact record Open source

Title similarity93%

Author similarity21%

LitVox upload library

On the Nature of Things

LitVox ID 1771

Parsed

Authors: Unknown author
Language: Unknown
Volume or part: None detected
Edition markers: None detected
LitVox UUID: 63cb7cd1355c
Gutenberg ID: 785

View exact record

Title similarity100%

Author similarity0%

Local library

The Signature of All Things

Local book #2097

Downloaded

Authors: Jacob Boehme
Language: english
Volume or part: None detected
Edition markers: None detected
Local EPUB: data/epubs/url-fe2356fe4dbe7453.epub File missing
Source URL: https://www.globalgreyebooks.com/ebooks/jacob-boehme_signature-of-all-things.epub
Description: A visionary treatise reading alchemical symbolism and natural forms as keys to a living Christian cosmology, this mystical mirror explores the birth, sympathy, and antipathy of all beings. Essential for students of mysticism and Western esoterica, it offers a profound path from the dark world of wrath to the light of divine love through the transmutation of the soul.

View exact record Open source

Title similarity81%

Author similarity19%

LitVox public library

At the mountains of madness

LitVox ID 1264

Public

Authors: H. P. Lovecraft
Language: Unknown
Volume or part: None detected
Edition markers: None detected
LitVox UUID: 9a1e2598c298

View exact record

Title similarity68%

Author similarity36%

Local library

At the mountains of madness

Local book #462

Downloaded

Authors: H. P. Lovecraft
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 70652
Local EPUB: data/epubs/pg70652.epub File present
Source URL: https://www.gutenberg.org/ebooks/70652.epub.noimages
Description: In the Antarctic, a team of scientists from Miskatonic University embark on an expedition to explore the region and uncover its secrets. Led by Professor Thaddeus W. Derwent, they use advanced drilling equipment to collect rock samples and fossils. However, their journey takes a dark turn when they stumble upon an ancient, abandoned city hidden beneath the ice. The team soon discovers that this city is much older than previously thought, with structures dating back millions of years.

View exact record Open source

Title similarity68%

Author similarity36%

Upload queue

At the mountains of madness

Local book #462

Queued

Authors: H. P. Lovecraft
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 70652
Local EPUB: data/epubs/pg70652.epub File present
Source URL: https://www.gutenberg.org/ebooks/70652.epub.noimages
Description: In the Antarctic, a team of scientists from Miskatonic University embark on an expedition to explore the region and uncover its secrets. Led by Professor Thaddeus W. Derwent, they use advanced drilling equipment to collect rock samples and fossils. However, their journey takes a dark turn when they stumble upon an ancient, abandoned city hidden beneath the ice. The team soon discovers that this city is much older than previously thought, with structures dating back millions of years.

View exact record Open source

Title similarity68%

Author similarity36%

Local library

The adventures of Heine

Local book #1533

Downloaded

Authors: Edgar Wallace
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 76462
Local EPUB: data/epubs/pg76462.epub File missing
Source URL: https://www.gutenberg.org/ebooks/76462.epub.noimages
Description: A satirical espionage thriller set in pre-WWI Europe, 'The Adventures of Heine' follows a German secret agent navigating political intrigue, cultural stereotypes, and moral ambiguity. With a cynical tone and exaggerated caricatures of nationalities, the novel blends adventure with sharp social commentary, offering a unique glimpse into the feverish atmosphere of the era's intelligence wars.

View exact record Open source

Title similarity67%

Author similarity27%

LitVox public library

The Wings of the Dove

LitVox ID 1378

Public

Authors: Henry James
Language: Unknown
Volume or part: None detected
Edition markers: None detected
LitVox UUID: 40bcc775ea43

View exact record

Title similarity65%

Author similarity30%

LitVox upload library

The Signature of All Things

LitVox ID 2631

Parsed

Authors: Unknown author
Language: Unknown
Volume or part: None detected
Edition markers: None detected
LitVox UUID: 3ece61f47433

View exact record

Title similarity81%

Author similarity0%

Manual review

Choose the operational outcome

Approval returns a blocked job to its queue. Confirming a duplicate prevents the job from progressing and keeps this evidence for audit.

Decision evidence

Title	100
Author	67
Language Agreement	True
Volume Conflict	False
Edition Conflict	False
Author Conflict	False
Relationship	same_work_author_variant

LLM adjudication details

Decision	different
Confidence	0.95
Relationship	same_work_author_variant
Reason	The records represent the same work (On the Nature of Things by Lucretius) but differ in author name normalization ('Lucretius' vs 'Titus Lucretius Carus') and source identifiers (Global Grey vs Project Gutenberg). According to policy, these are distinct metadata records for the same underlying book.
Matched Fields	title_original, title_normalized, title_compact, title_tokens, title_sort, language
Conflicting Fields	authors_original, authors_normalized, identifiers

Review history

Time	Action	Change	Reason
No manual review actions yet.