Results 51 to 60 of about 9,980,765 (244)

Decentralized mobility models for data collection in wireless sensor networks

, 2008
Controlled mobility in wireless sensor networks provides many benefits towards enhancing the network performance and prolonging its lifetime. Mobile elements, acting as mechanical data carriers, traverse the network collecting data using single-hop ...
Creighton, Douglas, Hanoun, Samer, Nahavandi, Saeid   +2 more
core   +1 more source

Optimal Data Collection For Informative Rankings Expose Well-Connected Graphs [PDF]

, 2014
Given a graph where vertices represent alternatives and arcs represent pairwise comparison data, the statistical ranking problem is to find a potential function, defined on the vertices, such that the gradient of the potential function agrees with the ...
Brune, Christoph, Osher, Stanley J., Osting, Braxton   +2 more
core   +3 more sources

Youth Gang Violence and Guns: Data Collection in California [PDF]

, 2009
Provides an overview of data on youth gang-related homicides, the role of firearms in the rising lethality of gang violence, and the state of data collection.
Josh Sugarmann, Tom Diaz
core  

Global Roadkill Data: a dataset on terrestrial vertebrate mortality caused by collision with vehicles

Scientific Data
Roadkill is widely recognized as one of the primary negative effects of roads on many wildlife species and also has socioeconomic impacts when they result in accidents.
Clara Grilo, Tomé Neves, Jennifer Bates, Aliza le Roux, Pablo Medrano-Vizcaíno, Mattia Quaranta, Inês Silva, Kylie Soanes, Yun Wang, Data Collection Consortium   +9 more
doaj   +1 more source

Handling missing data in research

Perspectives in Clinical Research
Missing data are an inevitable part of research and lead to a decrease in the size of the analyzable population, and biased and imprecise estimates. In this article, we discuss the types of missing data, methods to handle missing data and suggest ways in
Priya Ranganathan, Sally Hunsberger
doaj   +1 more source

Mossbauer-effect data-collection system [PDF]

, 1969
Automated data collection system which uses a small, general-purpose digital computer provides data acquisition from, and minor control of, four Mossbauer-effect experiments.
Aschenbrenner, R. A., Vonderohe, R. H.
core   +1 more source

Academic Performance and Satisfaction of Student-Directed Learning in Online Education Among Multidisciplinary Undergraduate Students: A Retrospective Comparative Study

SAGE Open Nursing
Introduction The outcomes of student-directed learning (SDL) compared to teacher-directed learning (TDL) in online education is yet to be established.
Basma Al Yazeedi PhD, Zeinab Al Azri PhD, Lina Shakman MSN, Safiya Al Shidhani MED, Maryam Al Kharusi BSc   +4 more
doaj   +1 more source

Identification, characterization, and expression analysis of WRKY transcription factors in Gynostemma pentaphyllum during tissue growth and cadmium stress

Frontiers in Plant Science
Gynostemma pentaphyllum, a perennial medicinal herb, is widely distributed and exhibits remarkable adaptability to various environments. WRKY transcription factors play critical roles in regulating plant growth and development, as well as abiotic stress ...
Yunyi Zhou, Yunyi Zhou, Lixiang Yao, Lixiang Yao, Hai Lu, Hai Lu, Zheng Xiong, Zheng Xiong, Xinhao Li, Xinhao Li, Liying Yu, Liying Yu, Chunliu Pan, Chunliu Pan   +13 more
doaj   +1 more source

Prenatal diagnostic testing and Down syndrome in Victoria 1992–2002

Australian and New Zealand Journal of Public Health, 2004
Objective:To describe patterns of uptake of prenatal diagnostic testing and prenatal detection rates for Down syndrome in Victoria with regard to mater nal age and prenatal screening practices.
Evelyne E. Muggli, Jane L. Halliday
doaj   +1 more source

Optimizing data collection for object tracking in wireless sensor networks

, 2013
In this paper some modifications are proposed to optimize an algorithm of object tracking in wireless sensor network (WSN). The task under consideration is to control movement of a mobile sink, which has to reach a target in the shortest possible time ...
Bernaś, Marcin, Płaczek, Bartłomiej
core   +1 more source