The method of countercurrent fractionation has been applied to the separation of a wide variety of substances. Among animal lipids, Lovern (1952) has studied ox-brain phospholipids, Lovern & Olley (1952) fractionated haddock-muscle lipids, while the lipids of human brain have been investigated by Cole, Lathe & Ruthven (1953). The latter study has now been extended to the lipid components of hum...

Previous algorithms for the generation of referring expressions have been developed specifically for this purpose. Here we introduce an alternative approach based on a fully generic aggregation method also motivated for other generation tasks. We argue that the alternative contributes to a more integrated and uniform approach to content determination in the context of complete noun phrase gener...