نتایج جستجو برای: keywords and phrases non

تعداد نتایج: 17384220  

2005
Jilin Chen Benyu Zhang Dou Shen Qiang Yang Zheng Chen Qiansheng Cheng

Keyword extraction is an efficient approach to managing an explosion of online text on the Web. Traditionally, an abstraction of the online text is constructed though keywords, which are extracted according to a certain importance measure. One such measure is their occurrence frequency. However, previous work has not considered another important factor: the diversity of the keywords. Therefore,...

2003
Cornelis H. A. Koster Marc Seutter

In this paper the suitability of different document representations for automatic document classification is compared, investigating a whole range of representations between bag-of-words and bag-of-phrases. We look at some of their statistical properties, and determine for each representation the optimal choice of classification parameters and the effect of Term Selection. Phrases are represent...

Journal: :iranian journal of blood and cancer 0
soheila zareifar associate professor of pediatric hematology-oncology, department of pediatrics, shiraz university of medical sciences, shiraz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences) babak abdolkarimi assistant professor of pediatric hematology-oncology, lorestan university of medical sciences, khoramabad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی لرستان (lorestan university of medical sciences) mohamadreza bordbar associate professor of pediatric hematology-oncology, department of pediatrics, shiraz university of medical sciences, shiraz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences) mehran karimi professor of pediatric hematology-oncology, department of pediatrics, shiraz university of medical sciences, shiraz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences) fazl saleh fellowship of pediatric hematology-oncology, department of pediatrics, shiraz university of medical sciences, shiraz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences) omidreza zekavat associate professor of pediatric hematology-oncology, department of pediatrics, shiraz university of medical sciences, shiraz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences)

background: burkitt lymphoma is a common subtype of non-hodgkin lymphoma in children. it has a rapid and aggressive clinical course with frequent involvement of bone marrow and central nervous system. systemic chemotherapy is the mainstay of the treatment for this malignancy in children. in this systematic review, we discuss autologous and allogeneic hematopoietic stem cell transplantation (hsc...

2011
Vishal Gupta Gurpreet Singh Lehal

Automatic keywords extraction is the task to identify a small set of words, key phrases, keywords, or key segments from a document that can describe the meaning of the document.

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده حقوق 1392

abstract the problems caused by the traditional system of criminal justice (which are based on remuneration and rehabilitation) such as, lack of attention to victim’s rights and position and society, underlie the emergence of restorative justice which had the victim-centered perspective, with respect to the role of the offender and participation of civil society. meanwhile, criminal mediation ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

the present research was conducted to explore the effect of employing two language teaching approaches, i.e. schema-based instruction (sbi) and translation-based instruction (tbi), on vocabulary knowledge, structure and reading comprehension ability of forty one female students learning english in grade one senior high school in rivash, kuhsorkh, iran. while sbi focuses on schemata, i.e. words ...

Babak Abdolkarimi, Fazl Saleh, Mehran Karimi, Mohadreza Bordbar, Omidreza Zekavat, Soheila Zareifar,

Background: Burkitt lymphoma is a common subtype of non-Hodgkin lymphoma in children. It has a rapid and aggressive clinical course with frequent involvement of bone marrow and central nervous system. Systemic chemotherapy is the mainstay of the treatment for this malignancy in children. In this systematic review, we discuss autologous and allogeneic hematopoietic stem cell transplantation (HSC...

2004
Yi-Chia Wang Jian-Cheng Wu Tyne Liang Jason S. Chang

In this paper we propose a method for unsupervised learning of relation between terms in questions and answer passages by using the Web as corpus. The method involves automatic acquisition of relevant answer passages from the Web for a set of questions and answers, as well as alignment of wh -phrases and keywords in questions with phrases in the answer passages. At run time, wh-phrases and keyw...

1998
Sadaoki Furui Koh'ichiro Yamaguchi

This paper introduces a paradigm for designing multimodal dialogue systems. An example system task of the system is to retrieve particular information about different shops in the Tokyo Metropolitan area, such as their names, addresses and phone numbers. The system accepts speech and screen touching as input, and presents retrieved information on a screen display. The speech recognition part is...

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