Audience interest, demography, purchase behavior and other possible classifications are extremely important factors to be carefully studied in a targeting campaign. This information can help advertisers and publishers deliver advertisements to the right audience group. However, it is not easy to collect such information, especially for the online audience with whom we have limited interaction a...

in this paper, the performance of 11 different distances for image retrieval and classification, based on color, shape and texture, is evaluated. the precision-recall measure and the correct classification rate of the k-nn classifier are used to evaluate retrieval and classification performances, respectively. the experimental results for a database of 1000 images from 10 different semantic gro...

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objective : identification of the risk factors and psychological correlates of prolonged grief disorder is vital for health promotions in relatives of persons who died of cancer. the aim of this research was to investigate the role of defense mechanisms, character dimension of personality and demographic factors on complicated grief following a loss of a family member to cancer. method : a numb...

introduction: the goal of professional librarians and informatics is providing useful services for users. this study aims to recognize the rate of commitment and authority of librarians to ethics instruction. method: this study is an applied ex post facto research. the population of study includes all librarians of isfahan public libraries in 2012. by in access selection, 207 questionnaires wer...

the effectiveness of contraceptive methods, such as i.u.d. can be considered with different points of view, such as: the period of protection from pregnancy for such married couple. the demographic effect of the program, on the basis of the number of births, averted in a given population. the objective of the, present study was to calculate the probability of pregnancy, expulsion, removal and t...

this is a discriptive study with the main goal to identify personal, pregnancy and delivery characteristics of mothers given birth to mentally retarded child. this study has been conducted in the rehabilitation center in tehran in 1994. a total of 150 women took part in this research, and the tool of was a check list which was completed by researcher through interview. the findings were illustr...

background and objective: today is the world of organizations, and to improve their performance, productivity and effectiveness, the competent and committed employees are required. several variables including managerial and organizational factors can affect organizational commitment. hence, we aimed to correlate between demographic variables and organizational commitment of the nurses. material...