concept of similarity 中文意思是什麼

concept of similarity 解釋
相似的概念
  • concept : n. 1. 【哲學】概念。2. 觀念,思想,意思,心意。
  • of : OF =Old French 古法語。
  • similarity : n. 1. 類似,相像,相似。2. 類似點;類似物,相似物。
  1. Now, the most word sense disambiguation algorithm on the parallel corpora is limited in the context of the single ambiguous word and its alignment information. in this paper, we made full use of computability of the concept in the hownet and changed word sense disambiguation problem into the similarity calculation problem between the ambiguous word and the whole sentence of the other language. in this way, we disambiguated the ambiguous word from a new point of view and achieved the satisfactory result

    當前大多數基於雙語語料的詞義排歧演算法都局限在利用單個多義詞的上下文環境及其對應信息,本文則充分利用當前hownet資源中概念的可計算性,將詞義排歧的問題轉化為多義詞和另一種語言的相應句子的整體意義相似性問題,從一個新的角度來進行詞義排歧,因此得出了滿意的研究結果。
  2. A fuzzy image data model and a concept of fuzzy space are proposed, in which model visual feature, spatial feature and semantic feature are used for super feature in order to utilize advantage of traditional relation database as well as characteristics of image data and fuzzy retrieval. based fuzzy space, a method of similarity measurement of image is presented to support fuzzy features - based image retrieval and satisfy user ' s query requirement for image. in the thesis, a semantic template and the mechanism of dynamic relevant feedback are defined so that it can express user ' s query semantic and improve retrieval precision and useable capability for image retrieval

    研究了模糊檢索方法和相關反饋機制在圖象檢索中的應用,提出了一種模糊圖象數據模型和模糊空間的概念,該模型將可視特徵、空間特徵、語義特徵看作超屬性,既充分利用了傳統關系數據庫的優點,同時又考慮了圖象數據以及模糊查詢的特點,文中提出的模糊空間和模糊相似性度量方法能支持基於模糊特徵的圖象查詢,較好地體現用戶圖象查詢的應用需求,文中定義的語義模板和相關反饋機制能在一定程度上表達用戶的查詢語義,提高圖象檢索的準確率和易用性。
  3. A concept - based approach is expected to resolve the word sense ambiguities in information retrieval and apply the semantic importance of the concepts, instead of the term frequency, to representing the contents of a document. consequently, a formalized document framework is proposed. the document framework is used to express the meaning of a document with the concepts which are expressed by high semantic importance. the framework consists of two parts : the " domain " information and the " situation background " information of a document. a document - extracting algorithm and a two - stage smoothing method are also proposed. the quantification of the similarity between the query and the document framework depends on the smoothing method. the experiments on the trec6 collection demonstrate the feasibility and effectiveness of the proposed approach in information retrieval tasks. the average recall level precision of the model using the proposed approach is about 10 ? higher than that of traditional ones

    為了獲取詞語在文章中的語義權重,解決詞語的同義、多義模糊問題,提升信息檢索的效率,提出了一種基於概念的檢索模型,模型中設計了一種形式化的文本內容表示框架,框架由2部分構成:文章的"領域"以及"情景與背景"信息,並由概念(形式化語義)加以表示.同時,提出了提取該概念框架的方法,給出了用於框架與檢索要求間匹配的兩階段平滑演算法.實驗表明,在trec6提供的小規模語料集下,採用所提出方法的信息檢索模型與傳統模型相比,平均召回準確率提升了約10 ? ,效果顯著,充分說明了基於本文描述方法構建的、以概念作為處理中介的信息檢索系統的有效性和可行性
  4. 2. defining the entropy space of image and entropy difference, the concept of information entropy is applied to image retrieval. some mathematical properties of entropy are studied, and similarity measurement of image entropy and corresponding algorithm is presented. these techniques can reduce the dimensionality of histogram space from n to l ( n > l ), increase the image retrieval efficiency, and improve the capability of image retrieval system

    將信息論中的信息熵概念引入圖象檢索,定義了圖象墑空間、熵差的概念,研究了圖象熵的性質,探討了基於圖象熵的相似性度量方法和實現演算法,該方法可將n維直方圖空間變為1維,提高了圖象檢索的效率,改善了圖象檢索系統的性能。
  5. In the filtering sub - system using ontology - based profile, we introduce an approach to construct the user ’ s profile based on ontology. ontology provides a formal way to describe the semantics relations between the concepts by using the means of concept - properties model. two algorithms have been designed to calculate the semantic similarity between feature vector and the profile, which have been impoved according to the evaluated results

    在基於本體模板的信息過濾子系統中,本文以本體的形式來描述用戶的需求模板,利用本體中的概念關系模型來體現概念間的語義關聯關系,並設計了兩種計算文本特徵向量與本體模板語義相似度的演算法,並根據實驗結果對這兩種演算法進行了改進。
  6. The problem is addressed through mathematical programming approach, the linear integer formulation is developed for optimizing the network throughput, and then the similarity between the original problem and the graph edge coloring problem is shown through the conflict graph concept. a column generation solution is proposed and several enhancements are made in order to fasten its convergence. numerical results demonstrate that the theoretical limit of the throughput can be efficiently computed for networks of realistic sizes

    一個對tdma機制的有效改進方法是空分tdma機制,它將無線結點之間的物理距離考慮在內,規定互相不干擾的通訊鏈路可以在相同的時間片內傳輸,從而減少了網路所需時間片的總量,從而提高了單位時間內可傳輸數據包的數量,即提高了整個網路的吞吐量throughput 。
  7. By introducing the algorithms about the degree of concept similarity and relationship, we can solve the problem which is hard to calculate in the traditional knowledgeement system. finally, the paper realizes a similar matching system faced to process diagnosis for enteriprise, which can edit or recompose the ontology, and use

    最後本文實現了一個面向流程診斷的企業知識相似度匹配系統,該系統可以進行本體的編輯和修改,並採用owl語言來描述本體知識,然後對建立的本體進行語義匹配計算,同時對企業流程診斷的案例檢索提供了支持。
  8. This thesis analyses the existing concept - based retrieval systems, based on this introduction, and puts forward a concept retrieval system based on synonyms recognition. automatic recognition of synonyms plays an important role in concept - based information retrieval. based on the analyses of the synonyms recognition, we use the similarity degree among the words to recognize synonyms, and mining a lot of multiple synonyms

    同義詞的自動發現和識別在基於概念的信息檢索領域有著重要的研究意義和應用價值,本文對國內和國外同義詞識別演算法進行研究和分析的基礎上,對基於語義體系的同義詞識別演算法,即基於《同義詞詞林》的同義詞識別演算法和基於《知網》的同義詞識別演算法進行了深入的研究,利用詞匯間的語義相似度度量來進行同義詞識別,挖掘出大量的復合詞形的同義詞。
  9. Recently it has also been applied to rf ( ratio frequency ) fields, and valuable achievements have been reached. ‘ fractal ’ has space filling ability and self - similarity ability. ‘ fractal ’ is a recursively generated structure by iterated function systems. it has a fractional dimension and possesses a self - similarity property. the concept of a ‘ fractal ’ has been applied to antenna design in order to reduce the size of antenna and obtain multi - band frequency operation

    分形具有空間填充能力和自相似性,分形是通過迭代函數系統產生的具有自相似性的分數維結構,分形的概念可用於天線設計以實現天線的尺寸減縮和多頻特性,這在軍用和民用方面都有著非常廣泛的應用前景。
  10. As a mean to map ontology concepts, a similarity technique is employed. especially a context dependent concept mapping is tackled, which needscontextual information from knowledge taxonomy. context - based semantic similarity differs from the real worldsimilarity in that it requires contextual information to calculatesimilarity. the notion of semantic coupling is introduced to derivesimilarity for a taxonomy - based system. the semantic coupling shows thedegree of semantic cohesiveness for a group of concepts toward a givencontext

    在本體的映射中,確保概念的一致性是至關重要的從總體上看,概念一致性問題可劃分成三類主要問題,即同義概念沖突synonymous concept conflict問題多義概念沖突polysemous concept conflict問題與領域相關概念沖突domain - dependent concept conflict問題。
  11. This paper discusses the existent typical ranking technologies of term frequency count and hyperlink analysis, in virtue of vector space model, the author proposes a new ranking technique, document similarity ranking, with a basis on similarity of concept - semantic query term

    對現存典型的詞頻統計排序技術和超鏈分析排序技術進行了分析,並藉助向量空間模型,提出了一種基於概念語義的查詢詞-文檔相似度排序方法。
  12. The concept of similarity degree is for the first time introduced into pwbs, for the purpose of analyzing the geometrical shape and production features of interim products

    依據pwbs原理的基本概念和任務包的生產特徵,論述在中心製造船模式下實現pwbs的途徑。
  13. Firstly, the concept of pwbs and the features of task packages, which are grouped according to similarity, are analyzed. in accordance with pwbs principle, the realizing channels of pwbs under center production is expounded

    產品導向型作業分解是中心製造船模式下的運作方式的基礎,關繫到設計、製造和整個管理環節。
  14. A " fractal " is a recursively generated structure having a fractional dimension and self - similarity property. the concept of a " fractal " has been applied to antenna design in order to reduce the size of antenna and obtain multi - band frequency operation. fractal antennas have broad application prospect in military and civil application

    分形是通過迭代產生的具有自相似性的分數維結構,分形的概念可用於天線設計以實現天線的尺寸減縮與多頻特性,這在軍用和民用方面有著廣泛應用前景。
  15. A " fractal " is a recursively generated structure having a fractional dimension and self - similarity property. the concept of a " fractal " has been applied to antenna design in order to reduce the size of antenna and obtain multi - band frequency operation. fractal antenna is useful in military and civil application

    分形是通過迭代產生的具有自相似性的分數維結構,分形的概念可用於天線設計以實現天線的尺寸減縮與多頻特性,這在軍用和民用方面都有著很大的潛力。
  16. The performance of similarity indexing structures in high dimensions degrades rapidly. in lower dimensional space, we often use lp - norm to measure the proximity between two points, but in many case the concept of this proximity is never meaningless in high dimensional space. these issues bring high dimensional data mining two challenges

    隨著數據維數的升高,高維索引結構的性能迅速下降,在低維空間中,我們經常採用l _ p距離作為數據之間的相似性度量,在高維空間中很多情況下這種相似性的概念不復存在,這就給高維數據挖掘帶來了很嚴峻的考驗,一方面引起基於索引結構的數據挖掘演算法的性能下降,另一方面很多基於全空間距離函數的挖掘方法也會失效。
  17. And then, a novel simility measure called topology similarity is proposed in the paper. a clustering model is built based on this simility measure, which take good use of the concept, topology similarity matrix

    再次,論文提出一種新的相似性度量標準:拓撲相似性,使用該相似性標準為聚類問題建立數據模型,並建立拓撲相似性矩陣表示該模型。
  18. Abstract : at first, the concept of hologram isincited into the process of the architectural design, which means that all the whole and the parts of a build - ing should reflect its content in some unified form. the concept can also be explained as two respects : one emphasizes the interrelation between the formand the content, the other stresses the similarity be - tween the form and the form

    文摘:在建築設計中提出了全息理念,指出全息就是組成建築的整體與部分以某種統一的形式反映其內容,它可以分成兩部分:形式和內容的相關性;形式和形式之間的相似性。
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