نتایج جستجو برای: vsm model

تعداد نتایج: 2105900  

2002
Wai Kit Lo Helen M. Meng Pak-Chung Ching

This paper describes our attempt to combine the relative merits of different indexing units (scales) and different retrieval models to improve performance in Chinese spoken document retrieval. Our study includes indexing units from three scales: words, character bigrams and syllable bigrams. We also include two different retrieval models: the HMM-based model and the vector space model (VSM). Ou...

2009
George Tsatsaronis Vicky Panagiotopoulou

Generalized Vector Space Models (GVSM) extend the standard Vector Space Model (VSM) by embedding additional types of information, besides terms, in the representation of documents. An interesting type of information that can be used in such models is semantic information from word thesauri like WordNet. Previous attempts to construct GVSM reported contradicting results. The most challenging pro...

Journal: :American journal of physiology. Heart and circulatory physiology 2011
Brian E Carlson Daniel A Beard

Microcirculatory vessel response to changes in pressure, known as the myogenic response, is a key component of a tissue's ability to regulate blood flow. Experimental studies have not clearly elucidated the mechanical signal in the vessel wall governing steady-state reduction in vessel diameter upon an increase in intraluminal pressure. In this study, a multiscale computational model is constru...

2016

Manufacturing organizations always needs some ways to reduce production lead time, eliminate waste and increase quality to survive in today’s competitive world. Lean manufacturing is such a technique used by industries all over the world in past few decades. It consists of various tools and techniques to reduce waste and increase productivity. One of the major tools in lean manufacturing is Val...

2000
Steffen-Sebastian Bolz Roland Derwand Cor de Wit

Background—Oxidized LDL reduces NO-mediated and endothelium-derived hyperpolarizing factor–mediated dilations. We studied, in hamster skeletal muscle resistance arteries (21368 mm; n551), whether an altered vascular smooth muscle (VSM) response, particularly sensitization of the VSM contractile apparatus to Ca, is involved in this oxLDL effect. Methods and Results—VSM or endothelial [Ca]i and v...

Journal: :Circulation 2000
S S Bolz J Galle R Derwand C de Wit U Pohl

BACKGROUND Oxidized LDL reduces NO-mediated and endothelium-derived hyperpolarizing factor-mediated dilations. We studied, in hamster skeletal muscle resistance arteries (213+/-8 micrometer n=51), whether an altered vascular smooth muscle (VSM) response, particularly sensitization of the VSM contractile apparatus to Ca(2+), is involved in this oxLDL effect. Methods and Results-VSM or endothelia...

Journal: :The Journal of biological chemistry 1992
G Cizmeci-Smith V Asundi R C Stahl L J Teichman M Chernousov K Cowan D J Carey

cDNA encoding the core protein of rat syndecan was cloned from a neonatal rat aortic cDNA library by polymerase chain reaction amplification. Expression of syndecan mRNA in rat aortic vascular smooth muscle (VSM) cells was demonstrated by reverse transcriptase-linked polymerase chain reaction amplification of syndecan sequences using total RNA from rat aortic VSM cells as templates. Polyclonal ...

2013
Yaoyun Zhang Trevor Cohen Min Jiang Buzhou Tang Hua Xu

Nowadays, consumers often search online to seek medical and health care information that they need. To improve this access, the ShARe/CLEF eHealth Evaluation Lab (SHEL) organized a shared task on information retrieval for Medical Disorders in 2013. This paper describes our participation in this task. In order to detect latent semantic relevance between queries and webpages about disorders, a se...

Journal: :American journal of physiology. Heart and circulatory physiology 1998
Marcie G Berger Christophe Vandier Pierre Bonnet William F Jackson Nancy J Rusch

Decreases in intracellular pH (pHi) potently dilate coronary resistance arteries but constrict small pulmonary arteries. To define the ionic mechanisms of these responses, this study investigated whether acute decreases in pHi differentially regulate K+ currents in single vascular smooth muscle (VSM) cells isolated from rat coronary and pulmonary resistance arteries. In patch-clamp studies, who...

2008
Shiu-li Huang

In World Wide Web environments, recommender systems are useful to reduce information overloading. A content-based recommender system recommends items according to their features. Vector Space Model (VSM) is a popular way to recommend items that are similar to those the user liked in the past. The main disadvantages of this content-based method are overspecialization and new user problems that i...

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