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Bellwethers: A Baseline Method For Transfer Learning [article]

Rahul Krishna, Tim Menzies
2018 arXiv   pre-print
To reduce this conclusion instability, we propose the use of "bellwethers": given N projects from a community the bellwether is the project whose data yields the best predictions on all others.  ...  Further, bellwethers appear in many SE tasks such as defect prediction, effort estimation, and bad smell detection.  ...  From a total of 10 studies, two were found to be inconclusive, three supported global models, and five supported local models.  ... 
arXiv:1703.06218v4 fatcat:dxjlgluvkncy3lqvctrtnuvlmm

Simplifying Software Defect Prediction (via the "early bird" Heuristic) [article]

N.C. Shrikanth, Tim Menzies
2021 arXiv   pre-print
Specifically, if the historical data has the most information in some small region, then perhaps a model learned from that region would suffice for the rest of the project.  ...  A defect prediction model learned from just the first 150 commits works as well, or better than state-of-the-art alternatives.  ...  Menzies et al. warn that many global lessons (generalizations) are not supported locally [4] .  ... 
arXiv:2105.11082v2 fatcat:2l4d4ousxfe5xfuwxdh3ht5uuy

Geospatial mapping of access to timely essential surgery in sub-Saharan Africa

Sabrina Juran, P. Niclas Broer, Stefanie J. Klug, Rachel C. Snow, Emelda A. Okiro, Paul O. Ouma, Robert W. Snow, Andrew J. Tatem, John G. Meara, Victor A. Alegana
2018 BMJ Global Health  
SJ and VAA were responsible for data management, analysis and production of the first draft of manuscript. PNB, SJK, EAO, POO, JGM reviewed and edited drafts of the manuscript.  ...  Motorised transport was, BMJ Global Health therefore, used in the analysis of travel times along the major roads.  ...  Methods Major district and regional hospitals were assumed to have capability to perform bellwether procedures.  ... 
doi:10.1136/bmjgh-2018-000875 pmid:30147944 pmcid:PMC6104751 fatcat:f2gumimozncs7gmvsulzuo2e74

Publication Trends for Alzheimer's Disease Worldwide and in China: A 30-Year Bibliometric Analysis

Rui Dong, Hong Wang, Jishi Ye, Mingshan Wang, Yanlin Bi
2019 Frontiers in Human Neuroscience  
The Web of Science (WOS) and PubMed databases were searched from 1988 to 2017 using the terms "Alzheimer's disease" or "Alzheimers disease."  ...  Global Alzheimer's disease publications were classified and analyzed.  ...  Science 1993 Article 5,677 Global and regional mortality from 235 causes of death for 20 age groups in 1990 and 2010: a systematic analysis for the Global Burden of Disease Study 2010 Lozano,  ... 
doi:10.3389/fnhum.2019.00259 pmid:31447661 pmcid:PMC6696880 fatcat:ewh2qd5p5ng6jdfltxfa3rgita

Education privatization in the United States: Increasing saturation and segregation

Frank Adamson, Meredith Galloway
2019 Education Policy Analysis Archives  
at the local level.  ...  This article outlines different forms of education privatization operating globally, examines their prevalence within the United States, and analyzes whether student marginalization and segregation occurs  ...  In each region, we included one smaller and one larger district with the largest saturation level within that region. From the east coast, we included Camden, New Jersey, and Washington D.C.  ... 
doi:10.14507/epaa.27.4857 fatcat:oysr3gg7ifez5kwtceltszfq5u

A network perspective on intermedia agenda-setting [article]

Samuel Stern, Giacomo Livan, Robert E. Smith
2020 arXiv   pre-print
and locally prominent news organisations in 2016.  ...  intermedia agenda-setting by putting forward a methodology to infer networks of influence between different news sources on a given topic, and apply it on a large dataset of news articles published by globally  ...  GL acknowledges support from an EPSRC Early Career Fellowship (Grant No. EP/N006062/1). Author details  ... 
arXiv:2002.05971v1 fatcat:b4o5lt5v3fcvrai7oyzm4tefsu

Convergence and Inequality in Research Globalization [article]

Saurabh Mishra, Kuansan Wang
2021 arXiv   pre-print
from the higher income regions.  ...  To understand these effects on the globalization of research, we conduct an in-depth study based on scholarly and patent publications covering STEM research from 218 countries/regions over the past four  ...  Citation Count The total citations received by articles in a given year with authors from a world region are aggregated from MAG's records as a conventional baseline to characterize the research impact  ... 
arXiv:2103.02052v1 fatcat:3ltf7fj2xzbh7nvxcqvbzcidzy

On the independence of visual awareness and metacognition: A signal detection theoretic analysis

Barbara Jachs, Manuel J. Blanco, Sarah Grantham-Hill, David Soto
2015 Journal of Experimental Psychology: Human Perception and Performance  
Financial globalization is a vast and complex topic. Understanding the effects of financial globalization on developing countries, in particular, is of considerable importance.  ...  following: • In spite of an apparently strong theoretical presumption, it is difficult to detect a strong and robust causal relationship between financial integration and growth. • Contrary to theoretical predictions  ...  These have begun to be complemented by regional and global studies.  ... 
doi:10.1037/xhp0000026 pmid:25665083 fatcat:7rbj2h72frdr3n3iugj6z45c6q

A network perspective on intermedia agenda-setting

Samuel Stern, Giacomo Livan, Robert E. Smith
2020 Applied Network Science  
and locally prominent news organisations in 2016.  ...  intermedia agenda-setting by putting forward a methodology to infer networks of influence between different news sources on a given topic, and apply it on a large dataset of news articles published by globally  ...  We also remove news aggregators, such as Yahoo! News, and local subsidiaries of large national sources. This leaves 313,276 articles from 97 news sources usable in this study.  ... 
doi:10.1007/s41109-020-00272-4 fatcat:hkv5u4ep6vd4hcabkkpoii3zvm

Human‐associated species dominate passerine communities across the United States

Helen R. Sofaer, Curtis H. Flather, Catherine S. Jarnevich, Kristin P. Davis, Liba Pejchar, Catherine Sheard
2020 Global Ecology and Biogeography  
Synanthropic species are those that benefit from an association with humans.  ...  The proportion of non-native individuals was higher when intensively-used land cover was more aggregated.  ...  Focusing on shifts in relative abundance as a bellwether of global change could provide insights into consequences for ecological services and disservices, which generally arise from abundant species  ... 
doi:10.1111/geb.13071 fatcat:4sosiso4tjax3pv7isebd2amgu

The Evolution of Racehorse Clusters in the United States: Geographic Analysis and Implications for Sustainable Agricultural Development

Gottlieb, Weinert, Dobis, Malinowski
2020 Sustainability  
Within agriculture, the horse-racing industry and its breeding component are an interesting case study for the TBL approach to local development.  ...  The sector is to some extent a "knowledge industry", agglomerating in relatively few regions worldwide.  ...  did not deviate from global trends for the stallion population within each breed.  ... 
doi:10.3390/su12020494 fatcat:4yixl4zebzggnjop3tbfyqdxmm

Strategic Management for Real-Time Business Intelligence [chapter]

Konstantinos Zoumpatianos, Themis Palpanas, John Mylopoulos
2013 Lecture Notes in Business Information Processing  
The complete Business Intelligence (BI) problem begins with modeling and analysis of business objectives and specifications, followed by a systematic derivation of real-time BI queries on warehouse data  ...  propose the development of a set of real-time query answering mechanisms able to identify warehouse segments with temporal patterns of special interest, as well as novel techniques for mining warehouse regions  ...  What is the impact of a locally applied strategy? 2.  ... 
doi:10.1007/978-3-642-39872-8_9 fatcat:dt6jhpe33nagpbdqxywq4grbwy

Is there a shortage of scientists? A re-analysis of supply for the UK

Emma Smith, Stephen Gorard
2011 British Journal of Educational Studies  
A re-analysis of supply for the UK.', British journal of educational studies., 59 (2). pp. 159-177. Further information on publisher's website: http://dx.  ...  This coincided with the expansion of the polytechnic sector, which was 'newly removed from the control of the local authorities and immediately responsive to the quasi-market mechanisms introduced at this  ...  Science is seen as a hard subject post-16 and so whatever the benefits, human capital theory would predict a relatively low uptake.  ... 
doi:10.1080/00071005.2011.578567 fatcat:aep7egvao5bhtnp45zp6kciqxm

Biological invasion risk assessment of Tuta absoluta: mechanistic versus correlative methods

Luigi Ponti, Andrew Paul Gutierrez, Mateus Ribeiro de Campos, Nicolas Desneux, Antonio Biondi, Markus Neteler
2021 Biological Invasions  
AbstractThe capacity to assess invasion risk from potential crop pests before invasion of new regions globally would be invaluable, but this requires the ability to predict accurately their potential geographic  ...  PBDMs address a lack of unified general methods for assessing and managing invasive species that has limited invasion biology from becoming a more predictive science.  ...  We thank Bridget Thrasher from the  ... 
doi:10.1007/s10530-021-02613-5 fatcat:326ej3sq7vdijnct5ai676w25m

In-Hospital Postoperative Mortality Rates for Selected Procedures in Tanzania's Lake Zone

Taylor Wurdeman, Christopher Strader, Shehnaz Alidina, David Barash, Isabelle Citron, Ntuli Kapologwe, Erastus Maina, Fabian Massaga, Adelina Mazhiqi, John G. Meara, Gopal Menon, Cheri Reynolds (+4 others)
2020 World Journal of Surgery  
Methods We prospectively collected data on postoperative mortality from 20 health centers, district hospitals, and regional hospitals in Tanzania's Lake Zone over two time periods: pre-intervention (February  ...  Background Postoperative mortality rate is one of six surgical indicators identified by the Lancet Commission on Global Surgery for monitoring access to high-quality surgical care.  ...  and Local Government in Tanzania (PO-RALG), the regional medical officers of Mara, Kagera, Shinyanga, Simiyu, and Geita regions and the frontline leadership and surgical  ... 
doi:10.1007/s00268-020-05802-w pmid:32995932 fatcat:cm66pnd7hzabtdtdbsro3iqbfe
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