Meaghan Duetsch is an economist in the Branch of Information and Analysis, Division of Consumer Expenditure Surveys, Bureau of Labor Statistics. MEAGHAN DUETSCH Do single women spend their money differently than single men do? If so, can their spending differences be attributed to differences in characteristics between the two groups? In addition, have the spending patterns of single men and si...

Most of today's terminological representation systems implement hybrid reasoning architectures wherein a concept classiier is employed to reason about concept deenitions, and a separate recog-nizer is invoked to compute instantiation relations between concepts and instances. Whereas most of the existing recognizer algorithms designed to maximally exploit the reasoning supplied by the concept cl...

The array of perspectives from which discourse processing is pursued can be mindboggling to students of discourse, both new and experienced. We are bombarded with concepts from various arenas that require sorting out: topic and focus, given and new, cohesion and coherence; the list goes on. Many questions loom for the computational linguistics (CL) researcher. What do notions such as topic and ...

The left-associative grammar model (LAG) has been applied successfully to the mor-phologic and syntactic analysis of various european and asian languages. The algebraic deenition of the LAG is very well suited for the application to natural language processing as it inherently obeys de Saussure's second law (de Saussure, 1913, p. 103) on the linear nature of language, which phrase-structure gra...