نتایج جستجو برای: geographical bases

تعداد نتایج: 118257  

2004
M. J. Genner M. I. Taylor D. F. R. Cleary S. J. Hawkins M. E. Knight G. F. Turner

The rock-restricted cichlid fish assemblages of Lake Malawi exhibit high spatial diversity in their species composition and relative abundance. However the extent to which this is due to the effects of local environmental differences, dispersal limitation of constituent taxa, and the assignment of allopatric populations to species is uncertain. We examined the factors associated with diversity ...

Journal: :CoRR 2017
Stanislav Sobolevsky

Our recent paper [Grauwin et al. Sci. Rep. 7 (2017)] demonstrates that community and hierarchical structure of the networks of human interactions largely determines the least and should be taken into account while modeling them. In the present proof-of-concept pre-print the opposite question is considered: could the hierarchical structure itself be inferred to be best aligned with the network m...

Journal: :J. Informetrics 2012
Bing He Ying Ding Erjia Yan

The author order of multi-authored papers can reveal subtle patterns of scientific collaboration and provide insights on the nature of credit assignment among coauthors. This article proposes a sequencebased perspective on scientific collaboration. Using frequently occurring sequences as the unit of analysis, this study explores (1) what types of sequence patterns are most common in the scienti...

Journal: :Int. Arab J. Inf. Technol. 2017
Areej Al-Zaidi Rizwan Qureshi

Global Software Development (GSD) is a major direction in software engineering. There is interest in applying scrum practices in distributed projects. Project stakeholder distribution in GSD is represented by geographical distance, which generates challenges for communication. This paper is written to evaluate the effect of scrum practices in mitigating geographical distance-based communication...

Journal: :LLC 2013
Martijn Wieling Robert G. Shackleton John Nerbonne

This study explores the linguistic application of bipartite spectral graph partitioning, a graphtheoretic technique that simultaneously identifies clusters of similar localities as well as clusters of features characteristic of those localities. We compare the results using this approach to previously published results on the same dataset using cluster and principal component analysis (Shacklet...

Journal: :IEICE Transactions 2013
Ping Wang Lin Zhang Victor O. K. Li

In classical routing protocols, geographical distances/locations are typically used as the metric to select the best route, under the assumption that shorter distances exhibit lower energy consumption and nodes within the communication range of the sender can receive packets with a certain success probability. However, in underwater acoustic sensor networks (UASNs), sound propagation in the oce...

2008
Markus Wolf Stephanie Bauer

Psychotherapy and psychosocial interventions rely mainly on verbal communication and language. With the expanding use of computers as well as the capacity of the Internet to bridge geographic distances and to increase access, computer mediated communication (CMC) plays an increasing role for the delivery of psychosocial interventions. This chapter focuses on the advantages and limitations of CM...

2010
Heather Berry Mauro F Guillén Nan Zhou

Received: 5 March 2009 Revised: 7 March 2010 Accepted: 10 March 2010 Online publication date: 1 July 2010 Abstract Cross-national distance is a key concept in the field of management. Previous research has conceptualized and measured cross-national differences mostly in terms of dyadic cultural distance, and has used the Euclidean approach to measuring it. In contrast, our goal is to disaggrega...

2006
MELISSA A. MOYER J. WALTER MCCOWN THOMAS H. EASON MADAN K. OLI

It has been hypothesized that, in species exhibiting natal philopatry, genetically related individuals would have home ranges closer to each other than those of unrelated individuals. Using radiotelemetry (2001–2003) and genetic data from 35 female Florida black bears (Ursus americanus floridanus), we tested the hypothesis that genetic relatedness among individuals influenced the spatial organi...

2014
Yongqiang Chu Xuan Tian Wenyu Wang

This paper studies the effect of supplier-customer relationship on supplier innovation through a knowledge spillover channel. We use the geographical distance between a supplier and its major customers to capture knowledge spillovers along the supply chain. To establish causality, we explore plausibly exogenous variation in distance caused by customer headquarters relocations. In a difference-i...

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