An Unflattened Identity and Change Knowledge Graph

urea substance

concept · 1 mention

A nitrogenous compound excreted in urine

Other senses of “urea”

unspecified

Connections

The concepts, people, and places this entity is most linked to by claims — node size is mention count, colour is type, dashed nodes are other senses of the same word.

ureaurea (—)caffeine — 1 shared claimtea — 1 shared claimcoffee — 1 shared claimcaffeineteacoffee
Concept

Defining properties

Perspectives

Claims grouped by the voice that makes them.

Roux, E.

  • tea affects urea excretion quantity urea 1873
    Des variations dans la quantite d'uree excretee avec une alimentation normale et sous l'influence du the et du cafe
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly supported by the passage. Roux's 1873 publication title explicitly states 'Des variations dans la quantite d'uree excretee...sous l'influence du the et du cafe' (variations in the quantity of urea excreted...under the influence of tea and coffee), confirming that Roux asserted tea affects urea excretion quantity.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint correctly identifies Roux, E. as the source (matching the bibliography entry). The stance 'asserts' is appropriate for a research publication claiming to examine variations. The sentiment 'neutral' matches the objective, scientific framing. The time qualifier correctly reflects the 1873 publication date. The context is appropriately empty as the passage provides no restrictive sense or role qualifiers. The quote appears verbatim in the passage and accurately supports the claim about tea's influence on urea excretion quantity.
  • coffee affects urea excretion quantity urea 1873
    Des variations dans la quantite d'uree excretee avec une alimentation normale et sous l'influence du the et du cafe
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage. Roux's 1873 publication title explicitly addresses 'variations in the quantity of urea excreted with normal diet and under the influence of tea and coffee,' which directly supports the claim that coffee affects urea excretion quantity.
    • qualifier_fidelity 0.95 pass — The claim is faithful to the passage across all qualifiers. The viewpoint correctly identifies Roux, E. as the source; the stance accurately reflects an assertion; sentiment is appropriately neutral; time correctly matches 1873; context is appropriately empty as the passage provides no restriction. The quote appears verbatim in the passage and supports the claim. Minor deduction (0.05): the quote in French translates to variations in urea quantity excreted under normal diet and under the influence of tea and coffee—the claim simplifies this to just coffee, though the quote does include both tea and coffee. This is a minor scope issue but does not substantially misrepresent the passage.

Fubini, S. and Ottolenghi

  • caffeine influences daily urea excretion in urine urea 1882
    Influenza della caffeina e dell' infuso caffe sulla quantita giornaliera di urea emessa dall' uomo colle urine
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage. The cited work by Fubini, S., and Ottolenghi from 1882 has the exact title translating to 'Influence of caffeine and coffee infusion on the daily quantity of urea emitted by man in urine,' which precisely matches the subject-predicate-object relationship claimed.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint correctly names Fubini, S. and Ottolenghi as the source. The stance 'asserts' is appropriate for a research publication. The sentiment 'neutral' matches the scholarly, factual tone. The time qualifier correctly identifies 1882 as the publication year. The context is appropriately empty as the passage does not restrict the claim to a specific sense or role of caffeine. The quote is verbatim from the passage title and directly supports the claim about caffeine's influence on daily urea excretion.

Change over time

1873
  • affects urea excretion quantity tea
  • affects urea excretion quantity coffee
1882
  • influences daily urea excretion in urine caffeine