An Unflattened Identity and Change Knowledge Graph

coffee availability unspecified sense

concept · 1 mention

Defining properties

Perspectives

Claims grouped by the voice that makes them.

author

  • coffee availability dropped in Japan wartime and immediate postwar period ⟨wartime and immediate postwar period⟩
    availability in the wartime and immediate postwar period dropped to nearly zero
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'availability in the wartime and immediate postwar period dropped to nearly zero.' The subject, predicate, and object are all explicitly mentioned with no added outside knowledge or over-generalization required.
    • qualifier_fidelity 0.85 pass — The claim is mostly faithful to the passage. Viewpoint, stance, and sentiment are correct. The temporal qualifiers 'when', 'valid_from', and 'valid_to' appropriately capture the wartime and immediate postwar period referenced in the passage, and the context correctly identifies the specific historical period. The quote is verbatim and supports the claim. Minor deduction (0.15) for the precise dating assumptions (1941-1952) which, while reasonable historical inference for WWII and immediate postwar Japan, are not explicitly stated in the passage text. The passage only provides the descriptive phrase 'wartime and immediate postwar period' without specific year boundaries.
  • coffee availability increased rapidly in Japan postwar period ⟨after import barriers were removed⟩
    then rapidly increased as import barriers were removed
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage. The exact phrase 'then rapidly increased as import barriers were removed' appears in the Japan section, explicitly describing the increase in coffee availability during the postwar period following the removal of import barriers.
    • qualifier_fidelity 0.85 pass — The claim is largely faithful to the passage. Strengths: viewpoint ('author' is appropriate as the passage presents this as factual statement rather than attributed to a named source), stance ('asserts' matches the passage's declarative framing), sentiment (positive connotation fits the passage's 'rapidly increased' language), and context (correctly identifies the 'import barriers removed' condition). Minor issue: 'valid_to' is null but the passage uses 'postwar period' which has a bounded temporal scope - 'postwar period' typically refers to the 1945-1950s era, not an open-ended timeframe. The 'when' qualifier should either have a valid_to date or should be more explicitly 'postwar' without specific boundary dates. However, this is a minor inconsistency in temporal normalization rather than a fundamental violation of passage fidelity. Quote is verbatim and supports the claim appropriately.

Change over time

wartime and immediate postwar period
  • dropped in Japan
postwar period
  • increased rapidly in Japan