نتایج جستجو برای: rich extraction
تعداد نتایج: 320168 فیلتر نتایج به سال:
Germinated seed from cereal crops including barley (Hordeum vulgare L.) is an important tissue to extract RNA and analyze expression levels of genes that control aspects of germination. These tissues are rich in polysaccharides and most methods for RNA extraction are not suitable to handle the excess polysaccharides. Here, we compare the current methods for RNA extraction applicable to germinat...
This paper describes a system for entity extraction from the web. The system uses three different extraction techniques which are tightly coupled with mechanisms for retrieving entity rich web pages. The main contributions of this paper are a new entity retrieval approach, a comparison of different extraction techniques and a more precise entity extraction algorithm. The presented approach allo...
This paper presents ongoing Phd thesis work dealing with the extraction of knowledge-rich contexts from text corpora for terminographic purposes. Although notable progress in the field has been made over recent years, there is yet no methodology or integrated workflow that is able to deal with multiple, typologically different languages and different domains, and that can be handled by non-expe...
The paper discusses the process of developing Semantic Annotations, a form of metadata for assigning conceptual entities to textual instances, in this case archaeological grey literature. The use of Information Extraction (IE), a Natural Language Processing (NLP) technique is central to the annotation process. The paper explores the use of Ontology Oriented Information Extraction (OOIE) methods...
There are several different methods to make an efficient strategy for steganalysis of digital images. A very powerful method in this area is rich model consisting of a large number of diverse sub-models in both spatial and transform domain that should be utilized. However, the extraction of a various types of features from an image is so time consuming in some steps, especially for training pha...
In this paper, Erianthus plant, a grass type of lignocellulosic biomass, is presented as an alternative source for the production amorphous silica. Thermal treatment (combustion) plant under controlled temperature 600–900°C produces Ash (EA). Then, silica powder was extracted from EA by chemical extraction method. work, effect on preparation and studied. The samples are noted EA600 – EA900 Si60...
The literature does not present any information on ultrasonic assisted extraction of phenolic compounds from Coreopsis tinctoria Nutt. fruits using solvents with different polarities. The objective of this paper is to highlight the potential of ultrasound assisted extraction in the fast preparation of extracts rich in polyphenols of Coreopsis tinctoria Nutt. fruits in good yields. Several param...
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