I n the cities of the developing world, the urban poor often inhabit marginal land that has less commercial value but is the only available land where they can afford to live. This includes land that is poorly drained and floods frequently, or on steep hillsides that are prone to landslides. The benefits of living nearer sources of employment and urban services usually outweigh the disadvantage...

This article is about annotating clauses with nonverbal predication in version 2 of Estonian UD treebank. Three possible annotation schemas are discussed, among which separating existential clauses from copular clauses would be theoretically most sound but would need too much manual labor and could possibly yield inconcistent annotation. Therefore, a solution has been adapted which separates ex...

Abstract. For an element w in the Weyl algebra generated by D and U with relation DU = UD + 1, the normally ordered form is w = ∑ ci,jU D . We demonstrate that the normal order coefficients ci,j of a word w are rook numbers on a Ferrers board. We use this interpretation to give a new proof of the rook factorization theorem, which we use to provide an explicit formula for the coefficients ci,j ....