نتایج جستجو برای: restricted plain
تعداد نتایج: 162517 فیلتر نتایج به سال:
Due to its robustness to outliers, many Pattern Recognition algorithms use the median as a representative of a set of points. A special case arises in Syntactical Pattern Recognition when the points (prototypes) are represented by strings. However, when the edit distance is used, finding the median becomes a NP-Hard problem. Then, either the search is restricted to strings in the data (set-medi...
We describe a non-perturbative method to solve the Hamilton-Jacobi equation for invariant surfaces in phase space. The problem is formulated in action-angle variables with a general nonlinear perturbation. The solution of the HamiltonJacobi equation is regarded as the fixed point of a map on the Fourier coefficients of the generating function. Periodicity of the generator in the independent var...
Text corpora resources have become an essential tool for Natural Language Processing tasks over the past years. A wide range of applications like information retrieval, ontology and terminology extraction require a sufficiently large corpus but of restricted domain. Manual tagging of such a corpus is very costly, making automatic annotation by a set of linguistic tools a very challenging idea. ...
Stocks of the International Reference Preparation (IRP) for thromboplastin, human, plain, coded BCT/253 and held by the World Health Organization (WHO) are nearly exhausted and must be replaced. For practical reasons the choice of the replacement candidate was restricted to two available human recombinant preparations which were coded as X/95 and Y/95 and calibrated in an international collabor...
SEA – Scalable Encryption Algorithm is a block cipher based symmetric encryption scheme, specially designed for resource constrained devices. SEA proposes low computational encryption routines (i.e. less code size, memory and power) for processors with a restricted instruction set. SEA is parametric with plain-text, key and microprocessor size, and meant for efficient combination of encryption/...
Trevor Disease (Hemimelic Epiphyseal Displasia): 12-year Follow-up Case Report and Literature Review
Trevor disease or hemimelic epiphyseal dysplasia is a rare skeletal developmental disorder characterized by asymmetric overgrowth of cartilage in the epiphyses. Histologically, it is an epiphysis osteochondroma. The symptom onset occurs primarily during childhood. Males are 3 times more affected than females. The most common symptom is a painless bony mass around the ankle or knee, followed by ...
In this paper, we present a procedure to map subsidence at the regional scale by means of persistent scatterer interferometry (PSI). Subsidence analysis is usually restricted to plain areas and where the presence of this phenomenon is already known. The proposed procedure allows a fast identification of subsidences in large and hilly-mountainous areas. The test area is the Tuscany region, in Ce...
Straight-line programs (SLPs) offer powerful text compression by representing a text T [1, u] in terms of a restricted context-free grammar of n rules, so that T can be recovered in O(u) time. However, the problem of operating the grammar in compressed form has not been studied much. We present a grammar representation whose size is of the same order of that of a plain SLP representation, and c...
With the increase in popularity of online review sites comes a corresponding need for tools capable of extracting the information most important to the user from the plain text data. Due to the diversity in products and services being reviewed, supervised methods are often not practical. We present an unsupervised system for extracting aspects and determining sentiment in review text. The metho...
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