Results 21 to 30 of about 626,884 (187)

Functional Dependence and Analytic Functions [PDF]

Canadian Mathematical Bulletin, 1979
AbstractWithout appealing to the Cauchy theorem or its corollaries, it is proved that the real and imaginary parts of a non-constant complex-valued analytic function of several complex variables are functionally independent. This unifies and generalizes some results sporadically treated in standard treatises on function theory.
openaire   +2 more sources

Discovering Graph Functional Dependencies [PDF]

ACM Transactions on Database Systems, 2018
This article studies discovery of Graph Functional Dependencies (GFDs), a class of functional dependencies defined on graphs. We investigate the fixed-parameter tractability of three fundamental problems related to GFD discovery. We show that the implication and satisfiability problems are fixed-parameter tractable, but the validation problem is co-W[1]
Fan, Wenfei, Hu, Chunming, Liu, Xueli, Lu, Ping   +3 more
openaire   +1 more source

Genome-scale analysis identifies paralog lethality as a vulnerability of chromosome 1p loss in cancer. [PDF]

, 2018
Functional redundancy shared by paralog genes may afford protection against genetic perturbations, but it can also result in genetic vulnerabilities due to mutual interdependency1-5.
Berger, Ashton C, Bhatia, Sangeeta N, Buss, Colin G, Carr, Steven A, Cherniack, Andrew D, Choi, Peter S, Hahn, William C, Krill-Burger, John M, Lage, Kasper, Malolepsza, Edyta, Meyerson, Matthew, Nogueira, Marina F, Pedamallu, Chandra Sekhar, Schenone, Monica, Shih, Juliann, Strathdee, Craig A, Tamayo, Pablo, Tanenbaum, Benjamin, Taylor, Alison M, Tsherniak, Aviad, Vazquez, Francisca, Viswanathan, Srinivas R, Wawer, Mathias J   +22 more
core   +1 more source

How to Mine Information from Each Instance to Extract an Abbreviated and Credible Logical Rule

Entropy, 2014
Decision trees are particularly promising in symbolic representation and reasoning due to their comprehensible nature, which resembles the hierarchical process of human decision making.
Limin Wang, Minghui Sun, Chunhong Cao
doaj   +1 more source

Differential effects of premorbid functional dependency on mortality in patients with anterior and posterior circulation stroke [PDF]

Journal of Neurocritical Care
Background This study investigated the impact of premorbid functional dependency on post-stroke mortality in patients with anterior circulation stroke (ACS) and posterior circulation stroke (PCS).
Min-Surk Kye, Do Yeon Kim, Dong-Wan Kang, Baik Kyun Kim, Jung Hyun Park, Hyung Seok Guk, Nakhoon Kim, Sang-Won Choi, Jun Yup Kim, Jihoon Kang, Beom Joon Kim, Moon-Ku Han, Hee-Joon Bae   +12 more
doaj   +1 more source

On the Family of Conditional Embedded Implicational Dependencies [PDF]

Computer Science Journal of Moldova, 1996
Certain second-order sentences, called conditional embedded implicational dependencies, about relations in a relational database, are defined and studied. This class of dependencies includes some of previously defined dependencies as special cases. Thus,
Victor Felea
doaj  

Propagating functional dependencies with conditions [PDF]

, 2008
The dependency propagation problem is to determine, given a view defined on data sources and a set of dependencies on the sources, whether another dependency is guaranteed to hold on the view.
Fan, Wenfei, Hu, Yanli, Liu, Jie, Ma, Shuai, Wu, Yinghui   +4 more
core   +1 more source

On the Reification of Global Constraints [PDF]

, 2012
We introduce a simple idea for deriving reified global constraints in a systematic way. It is based on the observation that most global constraints can be reformulated as a conjunction of pure functional dependency constraints together with a ...
C Jefferson, Justin Pearson, K Marriott, Mats Carlsson, Nicolas Beldiceanu, Pierre Flener   +5 more
core   +7 more sources

Extreme temperature events, functional dependency, and cardiometabolic multimorbidity: Insights from a national cohort study in China

Ecotoxicology and Environmental Safety
Background: Extreme temperature events (ETEs), including heatwaves and cold spells, are attracting increasing attention because of their impacts on human health.
Pengsen Mou, Huiyan Qu, Jiaxin Guan, Yuxin Yao, Zhongbo Zhang, Jing Dong   +5 more
doaj   +1 more source

Perceptions of Care in Residential Facilities According to Functional Dependency: A Phenomenological Approach Centred on Older Adults’ Dignity

Societies
Population ageing and the increase in life expectancy have heightened the demand for long-term care in residential facilities. In Spain, it is projected that by 2054 the functional dependency rate among those aged 65 and over will exceed 53.0%, posing ...
Sara Fernández-Ming, María Carmen Martín-Cano, Marta García-Domingo, Adrián Jesús Ricoy-Cano   +3 more
doaj   +1 more source