13,642 research outputs found
Studying Migrant Assimilation Through Facebook Interests
Migrants' assimilation is a major challenge for European societies, in part
because of the sudden surge of refugees in recent years and in part because of
long-term demographic trends. In this paper, we use Facebook's data for
advertisers to study the levels of assimilation of Arabic-speaking migrants in
Germany, as seen through the interests they express online. Our results
indicate a gradient of assimilation along demographic lines, language spoken
and country of origin. Given the difficulty to collect timely migration data,
in particular for traits related to cultural assimilation, the methods that we
develop and the results that we provide open new lines of research that
computational social scientists are well-positioned to address.Comment: Accepted as a short paper at Social Informatics 2018
(https://socinfo2018.hse.ru/). Please cite the SocInfo versio
Streamline topology and dilute particle dynamics in a Karman vortex street flow
Three types of streamline topology in a Karman vortex street flow are shown
under the variation of spatial parameters. For the motion of dilute particles
in the K\'arm\'an vortex street flow, there exist a route of bifurcation to a
chaotic orbit and more attractors in a bifurcation diagram for the proportion
of particle density to fluid density. Along with the increase of spatial
parameters in the flow filed, the bifurcation process is suspended, as well as
more and more attractors emerge. In the motion of dilute particles, a drag term
and gravity term dominate and result in the bifurcation phenomenon.Comment: 16 pages, 9 figure
Refinement of Techniques Metallographic Analysis of Highly Dispersed Structures
Flaws are regularly made while developing standards and technical specifications. They can come out as minor misprints, as an insufficient description of a technique. In spite the fact that the flaws are well known, it does not come to the stage of introducing changes to standards. In this paper shows that in the normative documents is necessary to clarify the requirements for metallurgical microscopes, which are used for analysis of finely-dispersed
Rotation numbers of invariant manifolds around unstable periodic orbits for the diamagnetic Kepler problem
In this paper, a method to construct topological template in terms of
symbolic dynamics for the diamagnetic Kepler problem is proposed. To confirm
the topological template, rotation numbers of invariant manifolds around
unstable periodic orbits in a phase space are taken as an object of comparison.
The rotation numbers are determined from the definition and connected with
symbolic sequences encoding the periodic orbits in a reduced Poincar\'e
section. Only symbolic codes with inverse ordering in the forward mapping can
contribute to the rotation of invariant manifolds around the periodic orbits.
By using symbolic ordering, the reduced Poincar\'e section is constricted along
stable manifolds and a topological template, which preserves the ordering of
forward sequences and can be used to extract the rotation numbers, is
established. The rotation numbers computed from the topological template are
the same as those computed from their original definition.Comment: 8 figures, 1 tabl
1960 Homecoming Program and 1916-1917 Class Reunion
This printed program was compiled for the Jacksonville State College Homecoming festivities in October 1960. As part of the activities, a class reunion was held October 7-8 for the State Normal School alumni from the 1916-1917 class and also the football teams of 1913-1918. Photographs of the alumni are included, along with a transcript of a speech given by R. Liston Crow, a S.N.S. alumnus who later served as treasurer at JSU. The speech details the lives and careers of many of the members of the Class of 1916-1917, along with school memories.
The originals of the printed program and speech notes are held in the Crow Collection of Anniston-Calhoun County Public Library; ACCPL temporarily loaned the materials from which HCL created these digital surrogates.https://digitalcommons.jsu.edu/lib_ac_unihist_misc/1011/thumbnail.jp
W.R. Walter Correspondence
Entries include the brief biographical information of a poet from North Waldoboro, Maine, and his droll and engaging typed biographical letter of reply to the Maine State Library concerning early farm work, a Maine district education system based on student enrollment wherein Walter once had six weeks of school in one year, and the family lumber mill business, typed correspondence concerning Walter\u27s book gift of Life\u27s poems with a foreword by Rev. George B. Davis, and a typed letter from the Maine State Library on receipt of Walter\u27s biography
One Hundred Years of Street Photography
A program from an exhibition featuring street photography from a variety of artists including but not limited to Diane Arbus, Alfred Stieglitz, Henri Cartie Bresson, and many more. One Hundred Years of Street Photography ran from February 20 through April 3, 1994. The catalog for this exhibition was originally available via CD-ROM.https://corescholar.libraries.wright.edu/restein_catalogs/1049/thumbnail.jp
Water Being Water
IQ. DNA. MRI. FYI. In an ever-changing world, we find ourselves conversing with abbreviated acronyms and phrases. They drive today\u27s economy, political agenda, and water cooler chitchat. They define our use of resources and the attention given to matters. Who we are, or think we are, are wrapped around their brevity. In our hurried attempt to sort through the complexities of life we use them to only answer the obvious-How? Unfortunately, an equally important question, Why? is often ignored. The solving of the how of things has generally been left to the scientists and the reasons as to the why for artists to decipher. This publication and exhibition takes a new approach by making the two questions inseparable. Using the simplest of elements, H20, a scientist turned artist, and two writers, one from the sciences and the other from the arts, have begun a new conversation. It is a discussion that deserves our attention and participation.https://corescholar.libraries.wright.edu/restein_catalogs/1051/thumbnail.jp
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Automated labeling of unknown contracts in Ethereum
yesSmart contracts have recently attracted interest from diverse fields including law and finance. Ethereum in particular has grown rapidly to accommodate an entire ecosystem of contracts which run using its own crypto-currency. Smart contract developers can opt to verify their contracts so that any user can inspect and audit the code before executing the contract. However, the huge numbers of deployed smart contracts and the lack of supporting tools for the analysis of smart contracts makes it very challenging to get insights into this eco-environment, where code gets executed through transactions performing value transfer of a crypto-currency. We address this problem and report on the use of unsupervised clustering techniques and a seed set of verified contracts, in this work we propose a framework to group together similar contracts within the Ethereum network using only the contracts publicly available compiled code. We report qualitative and quantitative results on a dataset and provide the dataset and project code to the research community.Link to conference webpage: http://icccn.org/icccn17/workshop
Knowledge Transfer and Teaching Public Administration: the Academy Model
Since the beginnings of Public Administration in the US and its accompanying education in other parts of the world, government and policy have become more complex. The education in Public Administration created a professional pathway to public service. The addition of education to Public Administration came out of the Progressive Movement in the United States to make knowledge in Public Administration more important in the face of corruption brought on by patronage appointments. When nonprofits became part the US public sector as elsewhere along with nonprofit healthcare, the complexity expanded enormously, requiring professionals to know more in what has become a multidisciplinary field of study. Given the diversity and complexity of the public sector and the need for Public Administration to embrace more knowledge from many disciplines, it stands to reason that an earlier start on the education portion of Public Administration or a pathway would be beneficial. A model of early Public Administration knowledge transfer is described and illustrated below. The Academy described is based on the US career pathways and high school academies as part of the school to work educational movement. The success of the combination of these two areas will also be pointed out in the academy described. Translation of lessons learned from the Acdemy to Europe and Asia are also considered
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