anchor.diff:  q9,full_text,attribute:"net primary production" AND (abstract:"coastal macroalgae" OR title:"coastal macroalgae"),None
   q9,bioportal_annot,sem_annotation_bioportal_sm:"http://purl.dataone.org/odo/ECSO_00000542",None
   q9,esor_annot,sem_annotation_esor_sm:"http://purl.dataone.org/odo/ECSO_00000542",None
  -q9,esor_cosine,sem_annotation_esor_sm:"http://purl.dataone.org/odo/ECSO_00000542",None
  +q9,esor_cosine,sem_annotation_cosine_sm:"http://purl.dataone.org/odo/ECSO_00000542",None
   q9,manual_annot,sem_annotation:"http://purl.dataone.org/odo/ECSO_00000542",None
   q10,nat_lang,ocean carbon dioxide flux in dimensions of (amount or mass) of carbon per (area or volume) per time,None
   q10,metacat_ui,ocean carbon dioxide flux,None
  
positive.code: q6,full_text,(attribute:"C02 flux" or attribute:"carbon dioxide flux") AND (abstract:"flux tower" OR title:"flux tower"),None
  q6,bioportal_annot,sem_annotation_bioportal_sm:"http://purl.dataone.org/odo/ECSO_00000014",None
  q6,esor_annot,sem_annotation_esor_sm:"http://purl.dataone.org/odo/ECSO_00000014",None
  q6,esor_cosine,sem_annotation_esor_sm:"http://purl.dataone.org/odo/ECSO_00000014",None
  q6,manual_annot,sem_annotation:"http://purl.dataone.org/odo/ECSO_00000014",None
  q7,nat_lang,carbon dioxide flux in an enrichment experiment in dimensions of (amount or mass) of carbon per (area or volume) per time,None
  q7,metacat_ui,("C02 flux" OR "carbon dioxide flux") AND "enrichment experiment",None
  
negative.code: q10,full_text,(attribute:"C02 flux" or attribute:"carbon dioxide flux") AND (abstract:ocean OR title:ocean),None
  q10,bioportal_annot,sem_annotation_bioportal_sm:"http://purl.dataone.org/odo/ECSO_00000543",None
  q10,esor_annot,sem_annotation_esor_sm:"http://purl.dataone.org/odo/ECSO_00000543",None
  q10,esor_cosine,sem_annotation_cosine_sm:"http://purl.dataone.org/odo/ECSO_00000543",None
  q10,manual_annot,sem_annotation:"http://purl.dataone.org/odo/ECSO_00000543",None
  