3,683 research outputs found
Micro-blogging adoption in the enterprise: an empirical analysis
Full text linkGiven the increasing interest in using social software for company-internal communication and collaboration, this paper examines drivers and inhibitors of micro-blogging adoption at the workplace. While nearly one in two companies is currently planning to introduce social software, there is no empirically validated research on employees’ adoption. In this paper, we build on previous focus group results and test our research model in an empirical study using Structural Equation Modeling. Based on our findings, we derive recommendations on how to foster adoption. We suggest that micro-blogging should be presented to employees as an efficient means of communication, personal brand building, and knowledge management. In order to particularly promote content contribution, privacy concerns should be eased by setting clear rules on who has access to postings and for how long they will be archived
Abraham Lincoln check to William Johnson
No full textDated January 7, 1861, this is a check written by President-elect Abraham Lincoln for $20 for the Springfield Marine and Fire Insurance Company to William Johnson, an African American servant and barber who served as Lincoln's personal valet and whom Lincoln took with him to Washington, DC. An accompanying note indicates that Lincoln then had to find another job for Johnson, who at the time would have been the only African American servant in the White House
Abraham Lincoln Memorial Poster
No full textText reads “Americana. Catalogue Four. Rest, Spirit, Rest. Grand Requiem March.” A Sketch of Abraham Lincoln with text below reads "To the memory of Abraham Lincoln by E. Hoffman, Author of Mocking Bird, Trinity Chimes, & c.
Abraham Deng Magot
Full text linkabstract: Abraham left his village when war broke out and without food it was difficult to survive. Along with other boys, he ate grass and learned to clean muddy water for drinking.
“Lost Boys Found” is an ongoing, interdisciplinary project that is collecting, recording and archiving the oral histories of the Lost Boys/Girls of Sudan. The collection is a work-in-progress, seeking to record the oral history of as many Lost Boys/Girls as are willing, and will be used in a future book.Age: 26Region: Upper NileThis picture and bio was donated to the "Lost Boys Found" oral history project from The Arizona Lost Boys Cente
Abraham Ngor Kuol
Full text linkabstract: Abraham was six years old when he left village.
“Lost Boys Found” is an ongoing, interdisciplinary project that is collecting, recording and archiving the oral histories of the Lost Boys/Girls of Sudan. The collection is a work-in-progress, seeking to record the oral history of as many Lost Boys/Girls as are willing, and will be used in a future book.Age: 25Region: Upper NileThis picture and bio was donated to the Lost Boys Found project from The Arizona Lost Boys Cente
Requirements of Process Modeling Languages - Results from an Empirical Investigation
Full text linkThe majority of large and mid-sized companies are active in BusinessProcess Management (BPM). Documenting business processesis a key task of BPM, but the variety of process modelinglanguages makes it difficult to determine ‘the best’ one. Basically,the suitability of a process modeling language depends on thecompanies’ requirements. In this paper we adopt a bird’s eye viewon the issue: By an empirical investigation of 130 publiccompanies from all over the world and any sector, we gather thecommon requirements of process modeling languages and usethem to assess the most popular ones (i.e., BPMN, UML ActivityDiagrams, Event-driven Process Chains). Our results show thatthese languages are (1) equally expressive and (2) presumablyequally understandable concerning the common core notion of‘business process’; thus, they can be used interchangeably.However, the BPMN is the most complex process modelinglanguage
Interview with Roland Abraham
No full textInterview with Roland Abraham, who is a former director of the Minnesota Extension Service. He is the author of Helping People Help Themselves: Agricultural Extension in Minnesota, 1879 to 1979. Abraham talks about how he got to the university and about the Minnesota Extension Service.Abraham, Roland H.; Pflaum, Ann M.. (1999). Interview with Roland Abraham. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/47871
On the Complexity of Optimization over the Standard Simplex
Full text linkWe review complexity results for minimizing polynomials over the standard simplex and unit hypercube.In addition, we show that there exists a polynomial time approximation scheme (PTAS) for minimizing Lipschitz continuous functions and functions with uniformly bounded Hessians over the standard simplex.This extends an earlier result by De Klerk, Laurent and Parrilo [A PTAS for the minimization of polynomials of fixed degree over the simplex, Theoretical Computer Science, to appear.]global optimization;standard simplex;PTAS;multivariate Bernstein approximation;semidefinite programming
Unified Multimedia Segmentation - A Comprehensive Model for URI-based Media Segment Representation
Full text linkIn multimedia annotation, referencing specific segments of a document is often desired due to its richness and multimodality, but no universal representation for such references exists. This significantly hampers the usage of multimedia content in knowledge graphs, as it is modeled as one large atomic information container. Unstructured data - such as text, audio, images, and video - can commonly be decomposed into its constituent parts, as such documents rarely contain only one semantic concept. Hence, it is reasonable to assume that these advances will make it possible to decompose these previous atomic components into logical segments. To be processable by the knowledge graph stack, however, one needs to break the atomic nature of multimedia content, providing a mechanism to address media segments.
This paper proposes a Unified Segmentation Model capable of depicting arbitrary segmentations on any media document type. The work begins with a formal analysis of multimedia and segmentation, exploring segmentation operations and how to describe them. Building on this analysis, it then develops a practical scheme for expressing segmentation in Uniform Resource Identifiers (URIs). Given that this approach makes segments of multimedia content referencable, it breaks their atomic nature and makes them first-class citizens within knowledge graphs. The proposed model is implemented as a proof of concept in the MediaGraph Store, a multimedia knowledge graph storage and querying engine
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