نتایج جستجو برای: data based theory

تعداد نتایج: 5073619  

Background and aim: Grounded theory has taken some different theoretical perspectives since its creation in 1967 by Barney Glaser. Considering that applying grounded theory partly depends on an awareness of its philosophical perspectives, gaining knowledge about these various perspectives is required for health care professionals who are interested in studying the social processes. This review ...

Journal: :medical journal of islamic republic of iran 0
farzaneh maleki faculty of nursing and midwifery, tehran university of medical sciences tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) zahra hosseini nodeh faculty of nursing and midwifery, alborz university of medical sciences, karaj, alborz, iran.سازمان اصلی تایید شده: دانشگاه آزاد اسلامی کرج (islamic azad university of karaj) zahra rahnavard faculty of nursing and midwifery, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) masoume arab faculty of nursing and midwifery, mazandaran university of medical sciences, sari, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی مازندران (mazandaran university of medical sciences)

background: since type-2 diabetes is the most common chronic disease among iranian female adolescents, we applied theory of planned behavior to examine the effect of training to intention to preventative nutritional behaviors for type-2 diabetes among female adolescents.   methods: in this experimental study 200 (11-14 year old) girls from 8 schools of tehran city (100 in each intervention and ...

2008
Daniel B. Neill Gregory F. Cooper Kaustav Das Xia Jiang Jeff Schneider

We review three recently proposed scan statistic methods for multivariate pattern detection. Each method models the relationship between multiple observed and hidden variables using a Bayesian network structure, drawing inferences about the underlying pattern type and the affected subset of the data. We first discuss the multivariate Bayesian scan statistic (MBSS) proposed by Neill and Cooper (...

2014
Brian Hrolenok Tucker R. Balch

Agent-based simulation is a valuable tool for validating the theoretical models biologists and ethologists use to explain animal behavior. By automating the process of constructing agent-based models (ABM) directly from observation data we can enable researchers to focus more of their time on the analysis of the behaviors and animals in question. We present experimental results using a modified...

2015
Karthik H. Shankar

Encoding temporal information from the recent past as spatially distributed activations is essential in order for the entire recent past to be simultaneously accessible. Any biological or synthetic agent that relies on the past to predict/plan the future, would be endowed with such a spatially distributed temporal memory. Simplistically, we would expect that resource limitations would demand th...

2013
Benny Kimelfeld Pierre Senellart

Uncertainty in data naturally arises in various applications, such as data integration and Web information extraction. Probabilistic XML is one of the concepts that have been proposed to model and manage various kinds of uncertain data. In essence, a probabilistic XML document is a compact representation of a probability distribution over ordinary XML documents. Various models of probabilistic ...

2013
Xin Wang Jianga Shang Fangwen Yu Jinjin Yan

With advances in Location-Based Services(LBSs), the motivation for indoor LBSs is becoming stronger since the complexity of indoor spaces. Semantic location model is becoming a pervasive data model to face with this challenge. The hybrid semantic methods and theories are used into this model to define and manage semantic information and location information. In this paper, we analyze some seman...

Journal: :CoRR 2011
Michael Hickson Yannis Kargakis Yannis Tzitzikas

An increasing amount of data is published on the Web according to the Linked Open Data (LOD) principles. End users would like to browse these data in a flexible manner. In this paper we focus on similaritybased browsing and we introduce a novel method for computing the similarity between two entities of a given RDF/S graph. The distinctive characteristics of the proposed metric is that it is ge...

Journal: :medical journal of islamic republic of iran 0
afsaneh rezazadeh department of education and health promotion, school of health, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) mahnaz solhi department of health services and health education, school of health, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) kamal azam department of epidemiology and biostatistics, school of health, tehran university of medical science, tehran, iran.سازمان اصلی تایید شده: دانشگاه تهران (tehran university)

background: adolescence is a sensitive period of acquiring normal and abnormal habits for all of life. the study investigates determinants of responsibility for health, spiritual health and interpersonal relations and predictive factors based on the theory of planned behavior in high school girl students in tabriz.   methods : in this cross-sectional study, 340 students were selected thorough m...

The Wisdom of Crowds, an innovative theory described in social science, claims that the aggregate decisions made by a group will often be better than those of its individual members if the four fundamental criteria of this theory are satisfied. This theory used for in clustering problems. Previous researches showed that this theory can significantly increase the stability and performance of...

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