An information retrieval system aims at selecting relevant documents that meet user’s information needs expressed with a textual query. For the years 19701980, various theoretical models have been proposed in this direction to represent, on the one hand, documents and queries and on the other hand to match information needs independently of the user. More recently, the arrival of Web 2.0, known...

0957-4174/$ see front matter 2012 Elsevier Ltd. A doi:10.1016/j.eswa.2012.02.136 E-mail address: [email protected] Social networks have been regarded as a timely and cost-effective source of spatio-temporal information for many fields of application. However, while some research groups have successfully developed topic detection methods from the text streams for a while, and even som...

About 1 out of every 6 children has been diagnosed with a special need in the United States. For their parents, the economic and emotional costs can be overwhelming. Using a mixed methods approach, we show that parents of children with special needs rely primarily on Facebook pages, Facebook groups, and Yahoo! groups for accessing information and social support. Specifically, these groups offer...

Purpose. The paper focus on the patient-side factors that determine access to health care and analyzes the issues of unmet needs and reasons for unmet needs for health care in Western EU countries. The paper has two main objectives: first, to study the determinants of unmet health care needs (UN) with a particular hub on social capital and social support; second, to analyze whether social capit...

BACKGROUND Needs-based resource allocation is fundamental to equitable care provision, which can meet the often-complex, fluctuating needs of people with Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (CFS/ME). This has posed challenges both for those providing and those seeking support providers, in building shared understanding of the condition and of actions to address it. This qualitati...

the aim of this study was to investigate the relationship between moral schemas and needs-based social justice approach. the research methodology was correlation descriptive that was performed in field approach. a cluster sample of 341 wrestlers from golestan (iran) province completed the two research questionnaires: rest et al. defining issues test (dit2) and rusinski needs-based social justic...

The need to belong, a fundamental concept in psychology, organizes a wide range of findings in the study of interpersonal relationships. We suggest that human belongingness needs can be illuminated by examining when they go awry. We review research on social anhedonia, a trait that involves a marked disinterest in interpersonal contact. Social anhedonia has a long history in clinical psychology...