An Unflattened Identity and Change Knowledge Graph

C.W. Van Vliet unspecified sense

person · 3 mentions

inventor from Fishkill Landing, New York

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.

C.W. Van Vliethousehold coffee mill — 1 shared claimCharles Parker — 1 shared claimcoffee mill — 1 shared claimhousehold coffee mi…Charles Parkercoffee mill
PersonWork

Defining properties

Perspectives

Claims grouped by the voice that makes them.

William H. Ukers (author)

  • C.W. Van Vliet granted united states patent on household coffee mill 1855
    C.W. Van Vliet, of Fishkill Landing, N.Y., was granted a United States patent in 1855 on a household coffee mill
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'C.W. Van Vliet, of Fishkill Landing, N.Y., was granted a United States patent in 1855 on a household coffee mill employing upper breaking and lower grinding cones.' All key elements (subject, predicate, object, and time) are explicitly supported.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage presents this as historical fact without attribution to a named source). The stance is appropriately 'asserts' as the passage states this as factual information. The sentiment is neutral, matching the passage's neutral tone. The time qualifier correctly reflects '1855' as stated in the passage. The context is appropriately empty as the passage does not restrict the claim to a specific sense or role beyond what is stated. The quote is verbatim from the passage and directly supports the claim.
  • C.W. Van Vliet assigned patent to Charles Parker
    He assigned it to Charles Parker of Meriden, Conn
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'C.W. Van Vliet, of Fishkill Landing, N.Y., was granted a United States patent in 1855 on a household coffee mill employing upper breaking and lower grinding cones. He assigned it to Charles Parker of Meriden, Conn.' The subject, predicate, and object are all explicitly mentioned with no rewording needed.
    • qualifier_fidelity 0.90 pass — Almost all qualifiers are faithful. The viewpoint is correctly 'author' (the passage itself makes the statement, not a named source), stance is 'asserts' (appropriate for a factual statement), sentiment is 'neutral' (correct), and the quote appears verbatim in the passage. The time qualifier has a minor issue: 'valid_from' should be 1855 (correct) but 'when' should probably be 1855 rather than null, since the passage dates the assignment to 1855 ('was granted a United States patent in 1855... He assigned it to Charles Parker'). However, if 'when' is interpreted as a distinct field from 'valid_from', then null is acceptable. Context is appropriately empty as the passage provides no restricting context. Overall, very faithful representation of the passage.
  • C.W. Van Vliet is granted a patent on coffee mill 1855 ⟨Fishkill Landing, N.Y.⟩
    C.W. Van Vliet, Fishkill Landing, N.Y., is granted a patent on a household coffee mill employing upper breaking, and lower grinding, cones
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage. The exact quote confirms that C.W. Van Vliet was granted a patent in 1855 on a household coffee mill with the specified design features at Fishkill Landing, N.Y.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself states the fact); the stance is appropriately 'asserts' as the passage presents this as a factual claim; sentiment is neutral, matching the passage's neutral tone; time matches the 1855 date given in the passage; context correctly identifies Fishkill Landing, N.Y. as specified; and the quote is verbatim from the passage and directly supports the claim.

Change over time

1855
  • granted united states patent on household coffee mill
  • is granted a patent on coffee mill