Search

A key obstacle in personalised fashion recommendations is the challenge of capturing user physical attributes at a large scale, which limits exclusively computational methods (like machine learning) to readily available attributes whose influence on recommendation accuracy is variable. Expert advice is a potential means of identifying influential user attributes. However, individual experts often disagree or offer conflicting advice. Thus, identifying areas where expert advice is or isn't consistent, in the context of user attributes and profiling is critical. Here, we characterise the breadth of expert definitions of user attributes and profiles through an exhaustive assessment of 156 years of advice literature. Expert definitions of body colouring, shape, and personality attributes are extracted and compared. The range of attribute-value relationships and profile definitions in each domain is described, and coherence among authors for each domain is discussed. [ABSTRACT FROM AUTHOR]

The performance of Nigeria structural wood species under fire exposure to prevent structural collapse have not been adequately researched. This paper explores the charring rate of six identified structural wood species. They are: terminalia superba (Afara), milicia excelsa (Iroko), khaya ivorensis (Mahogany), mansonia altissima (Mansonia), nauclea diderrichii (Opepe), and tectona grandis (Teak). The densities of the wood species were determined at Moisture Contents (MC) of 9.0, 12.0, and 15.0%. Samples from each of the selected species, were exposed to fire at temperature ranges of 20° to 230°C for 30 minutes; 20° to 300°C for 60 minutes; 230° to 600° C for 30 minutes. Empirical statistical model was developed for charring rate of the samples. The models were analysed using ANOVA at α0.05. At 60 minutes (20° to 300°C), Opepe of 9.0, 12.0 and 15.0% MC had the lowest charring rates of 0.44±0.03mm/min, 0.46±0.05mm/min and 0.45±0.03mm/min respectively, while Afara exhibited the highest charring rates of 0.74±0.02mm/min, 0.74±0.02mm/min and 0.68±0.02mm/min at the three MC levels. At temperature ranges of 20° to 230°C, and 12% MC, it showed that at r = 0.836, there is a linear positive correlation between the experimental charring rate and predicted charring rate. [ABSTRACT FROM AUTHOR]

Physical and mechanical properties of three rattan cane species, Calamus deerratus, Eremospatha macrocarpa and Laccosperma secundiflorum, were evaluated. The objective was to determine their suitability for construction, especially for structural members. Proximate analyses as well as mineral contents were also determined. The moisture content and density of green samples were 155% (dry basis) and 587 kg/m³, respectively. L. secundiflorum had the highest carbohydrate content while C. deerratus had the least. Radial shrinkage and swelling exceeded longitudinal shrinkage and swelling in all the rattan species, suggesting high anisotropism in movement. Moisture content had significant effect (P < 0:05) on the moduli of elasticity and rupture of all the rattan species. The moduli of elasticity of C. deerratus, E. macrocarpa and L. secundiflorum were 3396, 516 and 11 106 N/mm² respectively. The strength properties of the rattan canes were found to be lower than those of timber species of comparable densities. The physical and mechanical properties of the rattan canes studied were found to be adequate for use as reinforcement in lowly stressed concrete elements, such as frameworks for ferrocement and complex shaped formworks. [ABSTRACT FROM AUTHOR]