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We review lexical Association Measures (AMs) that have been employed by past work in extracting multiword expressions. Our work contributes to the understanding of these AMs by categorizing them into two groups and suggesting the use of rank equivalence to group AMs with the same ranking performance. We also examine how existing AMs can be adapted to better… (More)
This report describes the synthesis and biological activity of imidazoquinoxalines, benzimidazole-based analogues of indole-based pyrroloiminoquinone marine natural products. Our analogues consist of series 1, which possesses the ethylene tether and extended amidine feature found in the pyrroloiminoquinone natural products, and series 2, which also has the… (More)
Analogues of wakayin based on diimidazo[1,5,4-de, 1,5,4-h]-quinoxaline have been prepared and evaluated with respect to cytostatic and cytotoxic activity. Assays in a 60-cell-line human cancer panel revealed selective activity against cells with the VEGF (Flt-1) receptor.