Managing Ambiguity - Khan, Imtiaz Hussain
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This book explores the role of surface ambiguities in referring expressions, and how the risk of such ambiguities should be taken into account by an algorithm that generates referring expressions, if these expressions are to be optimally effective for a hearer. The main focus is on the ambiguities that arise when adjectives occur in coordinated structures (e.g. brown cats and dogs). The central idea is to use statistical information about lexical co-occurrence to estimate which interpretation of a phrase is most likely for human readers, and to avoid generating phrases where misunderstandings…mehr

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Produktbeschreibung
This book explores the role of surface ambiguities in referring expressions, and how the risk of such ambiguities should be taken into account by an algorithm that generates referring expressions, if these expressions are to be optimally effective for a hearer. The main focus is on the ambiguities that arise when adjectives occur in coordinated structures (e.g. brown cats and dogs). The central idea is to use statistical information about lexical co-occurrence to estimate which interpretation of a phrase is most likely for human readers, and to avoid generating phrases where misunderstandings are likely. Various aspects of the problem were explored in a series of experiments, including a self-study paradigm. We found a preference for ''clear'' expressions to ''unclear'' ones, but if several of the expressions are ''clear,'' then brief expressions are preferred over non-brief ones even though the brief ones are syntactically ambiguous and the non-brief ones are not. The notion of clarity was made precise using Kilgarriff's Word Sketches. The results of these empirical studies motivated the design of a GRE algorithm.
Autorenporträt
Imtiaz Hussain Khan received his Masters (CS) and PhD (Artificial Intelligence) degrees from the University of Essex UK and University of Aberdeen UK, in 2005 and 2010, respectively. Since 2010, he has been working as an Assistant Professor at King Abdulaziz University, Saudi Arabia. His area of research is Natural Language Generation.