نتایج جستجو برای: neighbourhood
تعداد نتایج: 10604 فیلتر نتایج به سال:
Study objective: To examine whether neighbourhood deprivation predicts incidence rates of coronary heart disease, beyond age and individual income. Design: Follow up study from 31 December 1995 to 31 December 1999. Women and men were analysed separately with respect to incidence rates of coronary heart disease. Multilevel logistic regression was used in the analysis with individual level charac...
In this paper, we investigate the hybridization of constraint programming and local search techniques within a large neighbourhood search scheme for solving highly constrained nurse rostering problems. As identified by the research, a crucial part of the large neighbourhood search is the selection of the fragment (neighbourhood, i.e. the set of variables), to be relaxed and re-optimized iterati...
BACKGROUND The number of sports facilities, sports clubs, or city parks in a residential neighbourhood may affect the likelihood that people participate in sports and their preferences for a certain sports location. This study aimed to assess whether objective physical and socio-spatial neighbourhood characteristics relate to sports participation and preferences for sports locations. METHODS ...
Neighbourhood safety and leisure-time physical activity among Dutch adults: a multilevel perspective
BACKGROUND Several neighbourhood elements have been found to be related to leisure-time walking and cycling. However, the association with neighbourhood safety remains unclear. This study aimed to assess the association of neighbourhood-level safety with leisure-time walking and cycling among Dutch adults. METHODS Data were derived from the national health survey (POLS) 2006-2009, with valid ...
Abstract: The most widely used and well-known vulnerability measures of a connected graph are based on the neighbourhood concept. It takes into account neighbour-integrity, edge-integrity and accessibility number. In this work we define and examine common-neighbourhood of a connected graph as a new global connectivity measure. Our measure examines the neighbourhoods of all pairs of vertices of ...
Applying in a new setting Robert Sampson’s (2012) work on interdependent spatial patterns, we link structural characteristics of the neighbourhood to public beliefs and worries about neighbourhood violence via two intermediate mechanisms: (a) collective efficacy and (b) neighbourhood disorder. Analysing data from face-to-face interviews of 61,436 individuals living in 4,761 London neighbourhood...
Methods that leverage neighbourhood structures in high-dimensional image spaces have recently attracted attention. These approaches extract information from a new image using its "neighbours" in the image space equipped with an application-specific distance. Finding the neighbourhood of a given image is challenging due to large dataset sizes and costly distance evaluations. Furthermore, automat...
In this paper we present some former results about properties of digital circles defined by neighbourhood sequences in the triangular grid. Das and Chatterji [Inform. Sci. 50 (1990) 123] analyzed the geometric behaviour of twodimensional periodic neighbourhood sequences. We use a more general definition of neighbourhood sequences, which does not require periodicity [Publ. Math. Debrecen 60 (200...
This paper studies the effect of word frequency and neighbourhood density on lexical tone merge in Dalian Mandarin. Monosyllabic words with two lexical falling tones (i.e. Tone1 and Tone 4) are produced by 60 native speakers from two different generations (middle-aged vs. young). The stimuli consist of three conditions: high neighbourhood density with high word frequency (HDHF), high neighbourh...
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