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Crowdsourcing, Attention and Productivity
[article]
2008
arXiv
pre-print
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The tragedy of the digital commons does not prevent the copious voluntary production of content that one witnesses in the web. We show through an analysis of a massive data set from YouTube that the productivity exhibited in crowdsourcing exhibits a strong positive dependence on attention, measured by the number of downloads. Conversely, a lack of attention leads to a decrease in the number of videos uploaded and the consequent drop in productivity, which in many cases asymptotes to no uploads
arXiv:0809.3030v1
fatcat:u2wl6pk4yzebdn2gvn6ncs7lxm
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... hatsoever. Moreover, uploaders compare themselves to others when having low productivity and to themselves when exceeding a threshold.
Coordination and Efficiency in Decentralized Collaboration
[article]
2015
arXiv
pre-print
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Environments for decentralized on-line collaboration are now widespread on the Web, underpinning open-source efforts, knowledge creation sites including Wikipedia, and other experiments in joint production. When a distributed group works together in such a setting, the mechanisms they use for coordination can play an important role in the effectiveness of the group's performance. Here we consider the trade-offs inherent in coordination in these on-line settings, balancing the benefits to
arXiv:1503.07431v1
fatcat:eqolohzjkvb6jn24vuie5hq5wi
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... ration with the cost in effort that could be spent in other ways. We consider two diverse domains that each contain a wide range of collaborations taking place simultaneously -- Wikipedia and GitHub -- allowing us to study how coordination varies across different projects. We analyze trade-offs in coordination along two main dimensions, finding similar effects in both our domains of study: first we show that, in aggregate, high-status projects on these sites manage the coordination trade-off at a different level than typical projects; and second, we show that projects use a different balance of coordination when they are "crowded," with relatively small size but many participants. We also develop a stylized theoretical model for the cost-benefit trade-off inherent in coordination and show that it qualitatively matches the trade-offs we observe between crowdedness and coordination.
Network Structure, Efficiency, and Performance in WikiProjects
[article]
2018
arXiv
pre-print
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For Wikipedia specifically, Robert and Romero [33] found that larger group sizes yield higher article ratings when the groups are diverse and experienced. ...
arXiv:1804.03763v1
fatcat:wixwvptznjeh5dtzi673i2q6my
Influence and Passivity in Social Media
[article]
2010
arXiv
pre-print
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The Influence-Passivity algorithm (Algorithm 1) takes the graph G as the input and computes the influence and passivity for each node in m iterations. Generating the input graph. ...
Algorithm 1: The Influence-Passivity (IP) algorithmI0 ← (1, 1, . . . , 1) ∈ R |N | ; P0 ← (1, 1, . . . , 1) ∈ R |N | ; for i = 1 to m doUpdate Ri using operation (2) and the values Ii−1; Update Ii using ...
arXiv:1008.1253v1
fatcat:a3teajou3na7pjyl6wyccqgvde
Interactive Trauma Scale
[chapter]
2020
Encyclopedia of Autism Spectrum Disorders
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PTSD-positive screening youth had higher overall frequency scores on the ITS (M 62.40; SD 11.876) than those who did not screen positive on the ITS (M 41.53; SD 14.366; t ¼ 2.78, p < 0.05). ...
A history of physical and verbal bullying was reported by most of the validity sample (Hoover and Romero 2019) and is commonly reported by children with ASD. ...
doi:10.1007/978-1-4614-6435-8_102351-2
fatcat:ye3cyv6kkvcfhdx2nwjp6uvlxe
Social networks that matter: Twitter under the microscope
[article]
2008
arXiv
pre-print
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Scholars, advertisers and political activists see massive online social networks as a representation of social interactions that can be used to study the propagation of ideas, social bond dynamics and viral marketing, among others. But the linked structures of social networks do not reveal actual interactions among people. Scarcity of attention and the daily rythms of life and work makes people default to interacting with those few that matter and that reciprocate their attention. A study of
arXiv:0812.1045v1
fatcat:acgaddtzkba5pl5msam5iyccma
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... ial interactions within Twitter reveals that the driver of usage is a sparse and hidden network of connections underlying the declared set of friends and followers.
Crowdsourcing, Attention and Productivity
2008
Social Science Research Network
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The tragedy of the digital commons does not prevent the copious voluntary production of content that one witnesses in the web. We show through an analysis of a massive data set from YouTube that the productivity exhibited in crowdsourcing exhibits a strong positive dependence on attention, measured by the number of downloads. Conversely, a lack of attention leads to a decrease in the number of videos uploaded and the consequent drop in productivity, which in many cases asymptotes to no uploads
doi:10.2139/ssrn.1266996
fatcat:7f7bjxlhcjenff6kze6jdh7k6m
more »
... hatsoever. Moreover, uploaders compare themselves to others when having low productivity and to themselves when exceeding a threshold.
An Epidemiological Approach to the Spread of Political Third Parties
[article]
2009
arXiv
pre-print
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We calculate det J 1 ( µ γ , m * ± ) = −γm * ± αβ 1 − µ γ − 2m * ± − (β − φ) µ γ − µ , so that det J 1 ( µ γ , m * ± ) > 0 ⇔ αβ 1 − µ γ − 2m * ± − (β − φ) µ γ − µ < 0 ⇔ m * ± > 1 2 1 − µ γ − β − φ αβ µ ...
Next we set dv/dt = 0 and v * = µ γ in (12) : dv dt = (β − φ) µ γ 1 − µ γ − m * + αβm * 1 − µ γ − m * − (µ + ǫ + γm * ) µ γ = 0. ...
arXiv:0911.2388v1
fatcat:34izybl4f5hufnnilnx3cw67gq
Shocking the Crowd: The Effect of Censorship Shocks on Chinese Wikipedia
2017
arXiv
pre-print
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(Robert and Romero 2016; Kittur and Kraut 2010) . ...
Centralization: It is common for Wikipedia articles to have a skewed distribution of editors' contributions (Romero, Huttenlocher, and Kleinberg 2015) . ...
arXiv:1704.00412v1
fatcat:cz7v3zotavbmnitnjvqmiuoyli
Information Retention in the Multi-platform Sharing of Science
[article]
2022
arXiv
pre-print
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online content more broadly has focused on the flow and virality of content on new media platforms (Adar and Adamic 2005; Adamic et al. 2016; Lakkaraju, McAuley, and Leskovec 2013; Lerman and Ghosh 2010; Romero ...
arXiv:2207.13815v1
fatcat:msadjvuhcjdgtopbrwcr5lcel4
Towards Attack-Tolerant Networks: Concurrent Multipath Routing and the Butterfly Network
[article]
2017
arXiv
pre-print
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We denote the m-dimensional, directed wrap-around butterfly as a graph wBF(m): wBF(m) = (V, E ↓ ∪ E → ) (7) V = Z m × Z m 2 (8) E ↓ = {((l, z), (l + 1 (mod m), z)} (9) E → = {(l, z), (l + 1 (mod m), z ...
Table 1 : 1 Butterfly Multipath Routing Variables NAME
VARIABLE
butterfly dimension
m ∈ Z +
node level
l ∈ Z : 0 ≤ l < m
node place within level z ∈ Z m
2
trust radius
h ∈ Z : 1 ≤ h ≤ m/2
path ...
arXiv:1704.02426v1
fatcat:piz56cinxvd33n7uvf3nar22xa
Heart Rate Nonlinear Dynamics During Sudden Hypoxia at 8230 m Simulated Altitude
2010
Wilderness & environmental medicine (Print)
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Methods: Twelve military pilots were supplemented with increasing concentrations of oxygen during decompression to 8,230 m in a hypobaric chamber. ...
Linear and nonlinear HRV was evaluated at 8,230 m altitude before, during and after oxygen flow deprivation. Linear HRV was assessed through traditional time-and frequency-domain analysis. ...
Pressure was lowered to simulate an ascent to 8,230 m (27,000 feet) at a rate of 640 m/min (2,100 feet/min). ...
doi:10.1016/j.wem.2009.12.022
pmid:20591347
fatcat:777vfcqvnbfzjlpx7ddpo6aa4a
Crowdsourcing, attention and productivity
2009
Journal of information science
Preserved Fulltext
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The tragedy of the digital commons does not prevent the copious voluntary production of content that one witnesses in the web. We show through an analysis of a massive data set from YouTube that the productivity exhibited in crowdsourcing exhibits a strong positive dependence on attention, measured by the number of downloads. Conversely, a lack of attention leads to a decrease in the number of videos uploaded and the consequent drop in productivity, which in many cases asymptotes to no uploads
doi:10.1177/0165551509346786
fatcat:n3logxpzzbgxdeuwvxf6f6rbdu
more »
... hatsoever. Moreover, uploaders compare themselves to others when having low productivity and to themselves when exceeding a threshold.
Social networks that matter: Twitter under the microscope
2008
First Monday
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Scholars, advertisers and political activists see massive online social networks as a representation of social interactions that can be used to study the propagation of ideas, social bond dynamics and viral marketing, among others. But the linked structures of social networks do not reveal actual interactions among people. Scarcity of attention and the daily rythms of life and work makes people default to interacting with those few that matter and that reciprocate their attention. A study of
doi:10.5210/fm.v14i1.2317
fatcat:4crxyzgkt5edlnwx3arepsvs5u
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... ial interactions within Twitter reveals that the driver of usage is a sparse and hidden network of connections underlying the "declared" set of friends and followers.
Relação Médico-Paciente e Relação Perito-Periciando: diferenças e semelhanças
2017
Saúde Ética & Justiça
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Introdução: A relação médico-paciente é a base da Medicina e está fundamentada nos princípios da beneficência, não-maleficência, justiça e autonomia. A perícia médica surgiu diante da necessidade da aplicação de conhecimentos técnicos no âmbito do Direito. As diferenças entre essas duas atuações médicas é objeto de conflitos que dificultam a atuação do médico perito. Objetivo: Estabelecer as diferenças e semelhanças entre a relação médico-paciente e a relação perito-periciando. Material e
doi:10.11606/issn.2317-2770.v22i1p50-55
fatcat:ypbdvvkdwrfpvmgddxpvyysyj4
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... s: Revisão de literatura de artigos e periódicos em língua portuguesa na base de dados Scielo e em livros especializados sobre o assunto. Discussão: A relação médico-paciente se baseia em confiança mútua, estabelecimento de vínculo mútuo, busca por um resultado em comum: diagnóstico e tratamento; há coerência entre a comunicação verbal e não verbal, a anamnese constitui o principal método propedêutico, sendo os exames complementares solicitados para auxiliar o diagnóstico e há o compromisso com o sigilo profissional. Já a relação perito-periciando possui uma natureza investigativa, não havendo uma relação de confiança mútua, a finalidade é o esclarecimento da Justiça e o sigilo profissional não fica restrito ao binômio perito-periciando. A semelhança entre essas duas relações está relacionada à conduta do médico que deve ser pautada na técnica, no respeito, educação e abstenção de julgamentos morais e de valores, além da necessidade de atualização por parte do profissional. Conclusão: A relação médico-paciente e a relação perito-periciando apresentam características peculiaridades e algumas delas são inconfundíveis. Em ambas as situações observamos a importância da atuação médica como essência desta relação e suas consequentes implicações morais, jurídicas e éticas.
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