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Mining User Queries with Markov Chains Application to Online Image Retrieval | 2013 IEEE
We propose a novel method for automatic annotation, indexing and annotation-based retrieval of images. The new method, that we call Markovian Semantic Indexing (MSI), is presented in the context of an online image retrieval system. Assuming such a system, the users' queries are used to construct an Aggregate Markov Chain (AMC) through which the relevance between the keywords seen by the system is defined. The users' queries are also used to automatically annotate the images. A stochastic distance between images, based on their annotation and the keyword relevance captured in the AMC is then introduced. Geometric interpretations of the proposed distance are provided and its relation to a clustering in the keyword space is investigated. By means of a new measure of Markovian state similarity, the mean first cross passage time (CPT), optimality properties of the proposed distance are proved. Images are modeled as points in a vector space and their similarity is measured with MSI. The new method is shown to possess certain theoretical advantages and also to achieve better Precision versus Recall results when compared to Latent Semantic Indexing (LSI) and probabilistic Latent Semantic Indexing (pLSI) methods in Annotation-Based Image Retrieval (ABIR) tasks.
After partnering with Wirex, the company was able to add XRP token support to its Visa card. Subsequently, the number of sign-ups and transactions on the platform had a considerable boost.
The very fine qualities of XRP continue to pull users and firms towards itself with the latest addition of Bitcoin Superstore. Earlier this year, Brad Garlinghouse, the CEO of Ripple said the only way of XRP decoupling from Bitcoin influence is through mass adoption.
This movement has supported the saying that the token has more utility than predicted and in fact the firm pushed up ahead and donated millions for humanitarian causes and charity. The first feedback was not that big, however judging from the most recent development Ripple is enjoying the last piece of the cake.
With the above announcement by Bitcoin Superstore via their twitter handle, users can almost in an instant complete settlements with XRP while purchasing from different retail outlets. These outlets being the leading ones like eBay, Amazon and others. If you choose to go for this option remember that XRP in the past has given out results of being cheap for both the merchant offering to accept the token and the user.
Or, even shorter, build a massive, level playing field in which assets can compete to bridge payments, then try to make XRP a winner on that playing field.
This is an ambitious, maybe even crazy, plan. But Ripple has raised tens of millions of dollars, has over a hundred full time employees, and our successes to date speak for themselves. That is, of course, no guarantee of success.