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Mathematica Policy Research offers a full suite of analytics services to maximize the transformative power of data and provide optimal solutions to today’s most pressing questions. Backed by decades of experience helping clients address complex challenges, we integrate state-of-the-art...
Persistent link: https://www.econbiz.de/10011144913
Persistent link: https://www.econbiz.de/10005613154
The number of Internet users rose from 400 million in 2000 to just over 2 billion in early 2011. This means that approximately one third of the world's population uses the internet. Taking these conditions into consideration, the way how businesses are designed need to be changed Many companies...
Persistent link: https://www.econbiz.de/10009367007
options have been taken into consideration. By using a clustering algorithm for analyzing both the database containing events …
Persistent link: https://www.econbiz.de/10010858401
incorporate data dependency in the clustering process. In this research we focus on clustering categorical sequences. The method … proposed here combines model-based and heuristic clustering. In the first step, the categorical sequences are transformed by an …, in the second step, using hierarchical clustering on the matrix of distances, the sequences can be clustered. This paper …
Persistent link: https://www.econbiz.de/10010871134
The competitive nature of the business environment requires the productivity-driven organization to be aware of its relative level of effectiveness and efficiency vis-à-vis its competitors. This suggests the need, first, for an effective mechanism that allows for discovering appropriate...
Persistent link: https://www.econbiz.de/10011051848
, keyword extraction, dimensionality reduction and clustering using the diffusion map algorithm is presented. We use publicly …
Persistent link: https://www.econbiz.de/10011039448
time as the most effective fraud detection method in 2011. Out of the available data mining techniques, clustering has … proven itself a constant applied solution for detecting fraud. This paper surveys clustering techniques used in fraud …
Persistent link: https://www.econbiz.de/10010592511
This paper review some state-of-the art non-parallel and parallel approaches of data clustering and present the … usefulness of parallel genetic algorithms (PGAs) for clustering. In solving the clustering problem many traditional methods stuck … general it is unknown to the user. Therefore, clustering becomes a trial-and-error work and is also very expensive in terms of …
Persistent link: https://www.econbiz.de/10010944836
Managing the knowledge is the hottest topic of concern. This arranging or rearranging of facts is called the information and the processed information is called the knowledge. Acquiring the information can be considered an easy job but how to manage this information, how to refine this...
Persistent link: https://www.econbiz.de/10010675564