منابع مشابه
Approximate Membership of Sets: A Survey
The task of representing a set so as to support membership queries is a common one in computer science. If space is no object, a complete dictionary may provide accurate QUERYing in good runtime. If space is at a premium and the size of the set uncertain, Bloom filters and hash compaction provide good approximations. If the size is completely unknown, a modified Bloom filter provides very good ...
متن کاملModelling Shea under Climate Scenarios
Distribution data describing the current shea range were obtained from John Hall (University of Wales, Bangor); for details, see previous reports and Vitellaria paradoxa: a monograph (Hall et al., 1996). In 2010, these records were supplemented with shea plot data from Burkina Faso, Mali and Ghana, and with the collection localities of herbarium specimens held at the Royal Botanic Gardens, Kew ...
متن کاملIndigenous knowledge of shea processing and quality perception of shea products in Benin.
A survey among 246 people belonging to 14 ethnic groups and living in 5 different parklands in Benin revealed different practices to process shea kernels (namely boiling followed sun drying and smoking) and extract shea butter. A relation between parklands, gathering period, and sun-drying conditions was established. Moisture content and appearance of kernels were the selection criteria for use...
متن کاملThe Rational Subset Membership Problem for Groups: A Survey
The class of rational subsets of a group G is the smallest class that contains all finite subsets of G and that is closed with respect to union, product and taking the monoid generated by a set. The rational subset membership problem for a finitely generated group G is the decision problem, where for a given rational subset of G and a group element g it is asked whether g ∈ G. This paper presen...
متن کاملLongitudinal Mixed Membership Trajectory Models for Disability Survey Data.
We develop new methods for analyzing discrete multivariate longitudinal data and apply them to functional disability data on U.S. elderly population from the National Long Term Care Survey (NLTCS), 1982-2004. Our models build on a mixed membership framework, in which individuals are allowed multiple membership on a set of extreme profiles characterized by time-dependent trajectories of progress...
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ژورنال
عنوان ژورنال: Infection Control & Hospital Epidemiology
سال: 1991
ISSN: 0899-823X,1559-6834
DOI: 10.1017/s0899823x00086384