{ "items" : [
    { "id" : "http://dbpedia.org/resource/PI_curve"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The PI (photosynthesis-irradiance) curve is a graphical representation of the empirical relationship between solar irradiance and photosynthesis.  A derivation of the Michaelis–Menten curve, it shows the generally positive correlation between light intensity and photosynthetic rate.  Plotted along the x-axis is the independent variable, light intensity (irradiance), while the y-axis is reserved for the dependent variable, photosynthetic rate." ] ,
        "http://xmlns.com/foaf/0.1/depiction" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Photosynthesis-irradiance_curve.gif" ] ,
        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Photosynthesis-irradiance_curve.gif?width=300"] } } }
