نتایج جستجو برای: geographical bases

تعداد نتایج: 118257  

Journal: :desert 2013
a. r. estelaji h. barghi

geographical bases have significant function in human settlements in terms of distribution and sustainability. thisstudy attempted to provide an insight into the role of geographical bases in rural settlement distribution in arid areas.accordingly, this study was done in the rural area of khour-biabanak, naein city in esfahan province. themethodology was that of a correlative research, to reali...

2007
Daniel Ferrés Horacio Rodríguez

This paper describes and analyzes the results of our experiments in Geographical Information Retrieval (GIR) in the context of our participation in the CLEF 2007 GeoCLEF Monolingual English task. Our system uses Linguistic and Geographical Analysis to process topics and document collections. Geographical Document Retrieval is performed with Terrier and Geographical Knowledge Bases. Our experime...

2007
Daniel Ferrés Horacio Rodríguez

This paper describes our experiments in Geographical Information Retrieval (GIR) in the context of our participation in the GeoCLEF 2007 Monolingual English task. Our system, called TALPGeoIR, follows a similar architecture of our previous system presented at GeoCLEF 2006 [2] with some changes in the Retrieval modes and the Geographical Knowledge Base. The system has four phases performed seque...

2004
Florin Leon Ioan Şova Dan Gâlea

A geographical information system (GIS) is a framework capable to assemble, keep, process and display specific information, identified by geographical location, which can combines layers of information to give the user a better understanding about that location. Intelligent agents prove to be a useful tool for data mining in geographical distributed knowledge bases. In this paper we present a m...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ولی عصر (عج) - رفسنجان - دانشکده ریاضی 1392

let h be a separable hilbert space and let b be the set of bessel sequences in h. by using several interesting results in operator theory we study some topological properties of frames and riesz bases by constructing a banach space structure on b. the convergence of a sequence of elements in b is de_ned and we determine whether important properties of the sequence is preserved under the con...

2017
Shiyu Liu Gengfeng Li Haipeng Xie Xifan Wang Frede Blaabjerg

As the scale of wind power bases rises, it becomes significant in power system planning and operation to provide detailed correlation characteristic of wind speed in different geographical hierarchies, that is among wind turbines, within a wind farm and its regional wind turbines, and among different wind farms. A new approach to analyze the correlation characteristics of wind speed in differen...

2009
Houda Bouamor

Geolocalized databases are becoming necessary in a wide variety of application domains. The manual creation of such databases is an expensive operation which stimulated the interest for the automation of their construction, by mining geographic information from the Web. In this article, we present and evaluate a new automated approach for creating a geographical database. Our technique uses Wik...

2016
Wei Hu Haoxuan Li Zequn Sun Xinqi Qian Lingkun Xue Ermei Cao Yuzhong Qu

While the geographical domain has long been involved as an important part of the Linked Data, the small amount of Chinese linked geographical data impedes the integration and sharing of both Chinese and cross-lingual knowledge. In this paper, we contribute to the development of a new Chinese linked geographical dataset named Clinga, by obtaining data from the largest Chinese wiki encyclopedia. ...

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