Although recommender system has been studied for many years, the research of social recommender system is just beginning. Plenty of information can be used in social networks to improve the performance of recommender system. However, some information is very sparse when used as features. We call this feature sparsity problem. In this paper, we aimed at solving feature sparsity problem. A new st...

ôbjective: self-efficacy beliefs determine how people feel, think, motivate themselves and behave. regarding to similar findings it is supposed that concept of self efficacy has a general role on mental health. the present study focused on examining the relationships between self-efficacy and symptoms of depression, anxiety, worry and social avoidance in a large sample of normal students (n=549...

Social relationships between group members are a key feature of many animal societies. The quality of social relationships has been described by three main components: value, compatibility and security, based on the benefits, tenure and stability of social exchanges. We aimed to analyse whether this three component structure could be used to describe the quality of social relationships in wild ...

social determinants of health is one of the topics that has attracted researchers' attention in recent decades, which is consistent with it, the public health, as one of the influencing factors to quality of life is taken into consideration. the purpose of this study was to examine the impact of social well-being on quality of life among meshginshahr pnu students with using survey method. ...

The people in an image are generally not strangers, but instead often share social relationships such as husband-wife, siblings, grandparent-child, father-child, or mother-child. Further, the social relationship between a pair of people influences the relative position and appearance of the people in the image. This paper explores using familial social relationships as context for recognizing p...

Personality traits have been directly associated with happiness. One consistent finding is a strong link between extraversion and happiness: extraverts are happier than introverts. Although happy introverts exist, it is currently unclear under what conditions they can achieve happiness. The present study analyzes, generally, how the quality of social relationships and emotion regulation ability...

UNLABELLED OBJECTIVES. To understand how "cumulative inequality" (CI), expressed as individual advantage and choice, and "external social supports" contribute to the quality of social relationships and perceptions of staff assistance for older individuals in different assisted living (AL) settings. METHODS Data are from 429 cognitively intact AL residents aged 60 years and older interviewed f...

the research conducted on “domestic violence on women” have paid little attention to the fact that this phenomenon is resulted from the disruption in healthy social and family relationships as well as lack of available valuable resources for women. therefore, this study attempts not only to contemplate on such elements as the shape of relationships in directed family, manner of gender socializa...