نتایج جستجو برای: shallow tailwater
تعداد نتایج: 36779 فیلتر نتایج به سال:
Presented in this paper is an experimental study on scour downstream of rough and smooth stiff aprons under the influence wall jets. The effect various parameters asymptotic depth studied. analysis data reveals that maximum reduces with increasing sediment size, sluice opening, apron length. It directly proportional to densimetric Froude number. Maximum equilibrium initially decreases tailwater...
This paper employs one-dimensional numerical ground response analysis models to investigate seismic response of shallow cohesive and non-cohesive soil deposits on vertical propagation of horizontal shear waves. Soil response is modelled by traditional equivalent-linear (EL) frequency-domain analysis using DEEPSOIL software and nonlinear (NL) time-domain analysis using OPENSEES software. The ana...
Chunking is segmenting a text into chunks, sub-sentential segments, that Abney approximately defined as stress groups. Chunking usually uses monolingual resources, most often exhaustive, sometimes partial : function words and punctuations, which often mark beginnings and ends of chunks. But, to extend this method to other languages, monolingual resources have to be multiplied. We present a new ...
As described in this paper, we propose a new automatic evaluation method for machine translation using noun-phrase chunking. Our method correctly determines the matching words between two sentences using corresponding noun phrases. Moreover, our method determines the similarity between two sentences in terms of the noun-phrase order of appearance. Evaluation experiments were conducted to calcul...
This paper introduces new definitions of Chinese base phrases and presents a hybrid model to combine Memory-Based Learning method and disambiguation proposal based on lexical information and grammar rules populated from a large corpus for 9 types of Chinese base phrases chunking. Our experiment achieves an accuracy (F-measure) of 93.4%. The significance of the research lies in the fact that it ...
This paper reports on work in progress to improve shallow parsing for Basque. The practical goal of our work is to enrich the information of the shallow parser with linguistic information for analyzing sequences containing an N that instantiates a kind of quantification of the other nominal constituent, by means of some different syntactical structures.
Chunk parsing is conceptually appealing but its performance has not been satisfactory for practical use. In this paper we show that chunk parsing can perform significantly better than previously reported by using a simple slidingwindow method and maximum entropy classifiers for phrase recognition in each level of chunking. Experimental results with the Penn Treebank corpus show that our chunk p...
One way to construct semantic representations in a robust manner is to enhance shallow language processors with semantic components. Here, we provide a model theory for a semantic formalism that is designed for this, namely Robust Minimal Recursion Semantics (RMRS). We show that RMRS supports a notion of entailment that allows it to form the basis for comparing the semantic output of different ...
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