(By Martin Haspelmath): "Here we ask how a possessor is expressed when it occurs independently, i.e. when the possessum noun is not present because it can be inferred from the context, e.g.Whose book is this? Mine (elliptical answer), or This book is yours (predicative use), or Your book is cheaper than hers (anaphoric use). We are in particular interested in the relation of the independent pronominal possessor to the dependent pronominal possessor (as in my book, your book, her book)."