Top 1,000 abstract co-occurrence word pairs. Top 1,000 abstract co-occurrence word pairs in the space of PTP(wi, wj) and PTN(wi, wj). Word pairs with high Sab tend to be almost exclusively associated with positive or negative abstracts.
Abi-Haidar et al. Genome Biology 2008 9(Suppl 2):S11 doi:10.1186/gb-2008-9-s2-s11