[PDF] Top 20 An Inverse Problem Approach for Content Popularity Estimation

... large estimation errors are produced by the naive ...NP estimation matches perfectly the head of the distribution; – second, the naive method over-fits the tail of the distribu- ...naive estimation ... See full document

... the estimation of the trans- membrane potentials for larger distances and for non-contact mapping ...accurate estimation of the underlying transmem- brane potentials should be strongly informative, as far ... See full document

... The problem of unknown groundwater source identification has often been solved as an optimization ...matrix approach (Gorelick et ...identification problem include: non-linear maximum likelihood ... See full document

... Numerical examples were worked out, which show that the new LGEM is applicable for the estimations of unknown functions. When disturbances are exerted on the input data, we also verified that the present approach ... See full document

... the problem of predicting the num- ber of clicks that news stories will receive during one ...predict popularity ranges for political blog posts ...of popularity with 86% accuracy. A different ... See full document

... Figure 4 represents the overall representation of the present approach and Fig.5 shows the retrieval of time constant (τ) using GA method and the solution is obtained for several trials and three such runs are ... See full document

... the problem of information transmission in vehicular network environments and put forward a model and solution by a content-center ap- proach of networking by using a selective random net- work coding ...as ... See full document

... this problem as a clas- sification problem as well where they predict whether an item will be popular or not (Wu, Timmers, Vleeschauwer, & Leekwijck, 2010; Bandari, Asur, & Huber- man, 2012; Kim et ... See full document

... trial-and-error approach is used to find a reasonably good ...identification approach based on inverse problem methodology is proposed and applied to a laboratory interior permanent magnet ... See full document

... moisture content with depth provided a powerful prior model for the inverse process defined in a Bayesian ...Carlo approach previously developed [12], the inversion is easily accommodated within a ... See full document

... The approach taken was to develop the inverse model as a non-linear least squares estimation problem in which the source term was estimated using pollution concentration measurements on [r] ... See full document

... can be inferred from measured time series data at the observed nodes. As a result, we obtain that ¯ Y is a sum of a sparse matrix with tree structure and a low rank matrix, which is exactly the setting we study in the ... See full document

... sor approach (Mavrodiev and Thanassoulas, 2001) is pre- sented (Mavrodiev, 2002a, b; 2003a, b, ...The approach is based on the understanding that earthquake processes have a complex ...prediction ... See full document

... in inverse problem methodologies in the context of dynamical system or mathematical model parameter es- timation when a sufficient number of observations of one or more states (variables) are ... See full document

... the inverse problem is ...the problem is achieved by finding solutions within the restricted class of functions - the class of constrained ... See full document

... nice model fits to the data which validates the model’s ability to accurately describe the growth dynamics of the shrimp. The results presented in this section suggest that there were perhaps some changes in the ... See full document

... it can still be computationally intensive when d and n are large as G is a nd × nd matrix. This is still a better scenario than that of MLE, however, since computationally efficient methods exist to solve large linear ... See full document

... To explore the validity of this argument, we computed the condition number of A for M = 4, 20, 36, 68, 84, and 100 and N = 64, 128, 256, and 512 in both the Gaussian and bi-Gaussian examples that were used above. Similar ... See full document

... Abstract In this paper, a transient, two-dimensional and nonlinear inverse heat conduction problem in solidification process is considered. Genetic algorithm is applied for the identification of the ... See full document

... Choulli and Stefanov have already proved in [5] that the parameters can be uniquely determined by surface measurements, under the following assumptions, in the case where the RTE (1) is complemented with Dirichlet ... See full document