索引指數 的英文怎麼說
中文拼音 [suǒyǐnzhǐshǔ]
索引指數
英文
index- 索 : Ⅰ名詞1 (大繩子; 大鏈子) a large rope 2 (姓氏) a surname Ⅱ動詞1 (搜尋; 尋找) search 2 (要; ...
- 引 : Ⅰ動詞1 (牽引; 拉) draw; stretch 2 (引導) lead; guide 3 (離開) leave 4 (伸著) stretch 5 (...
- 指 : 指構詞成分。
- 數 : 數副詞(屢次) frequently; repeatedly
- 索引 : index; indexing; key; repertory; subscript; concordance
- 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
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Document similarity search is to find documents similar to a given query document and return a ranked list of similar documents to users, which is widely used in many text and web systems, such as digital library, search engine, etc. traditional retrieval models, including the okapi s bm25 model and the smart s vector space model with length normalization, could handle this problem to some extent by taking the query document as a long query
文檔相似搜索指從文檔集中檢索與給定查詢文檔相似的文檔。對于給定的查詢文檔,我們期望文檔相似搜索系統能夠返回一個按相似度排序的相似文檔列表。文檔相似搜索技術已經被廣泛應用到電子圖書館,搜索引擎等系統中,例如citeseer . ist科學文獻數字圖書館的相似文獻推薦功能, google的相似網頁查詢功能等。First, we have expatiated the working principle, performance parameters and major technologies. farther, we have analyzed the shortcomings of the existing catalog search engine and introduced the clustering analysis and the ant algorithm ; on the basis of this, we discussed the possibility and necessity of the connection between them, which avoids the local optimization of the clustering analysis to a degree. in the end, we appraise the idea that we deal with the information data by the data structure of the binary tree, m - branch tree and tree established by the ant algorithm, which can improve the efficiency of the search engine
首先闡述了搜索引擎的工作原理,性能指標,主要技術;分析了現有目錄式搜索引擎的缺點,接著介紹了聚類分析演算法與螞蟻演算法的理論,並論述了二者結合的可能性和必要性,這種結合方法也在一定程度上克服了聚類分析演算法容易陷入局部最優的缺點,最終提出了通過使用螞蟻演算法建立二叉樹、 m叉樹和樹作為信息數據處理的思想,大大提高了搜索引擎搜索的效率。According to the present situation and questions of the negotiable securities investmental fund in china and according to the foreign experience, i put forward 3 proposals : lead the closed fund into opening ; explor the cheap cost about the opened negotiable securities investmental fund ; carry out the third index fund
本文由我國證券投資基金的現狀及其發展中出現的問題入手,結合國外證券投資基金業發展的先進經驗,提出了進一步完善我國證券投資基金的具體可行的途徑。其具體途徑主要包括:引入封閉式基金的開放機制、探索低成本的開放式基金發展之路、推出第三代指數交易基金等三個方面。In the indexed access method, a method of indicating that a record or block is in use and is not available for another request
在索引存取方法中,指明一個記錄或數據塊處于使用之中而且不再接受另一個使用請求的一種方法。Because index names are not unique within each database,
由於索引名稱在每個數據庫中不是唯一的,因此必須指定Copies the collection of session - state item values to a one - dimensional array, starting at the specified index in the array
將會話狀態項值的集合復制到一維數組中(從數組的指定索引處開始) 。Fingerprint classification provides indexing mechanism for a large fingerprint database
指紋分類技術為大型指紋數據庫提供了一種重要的索引機制。At the same time, to speed up searching, we lead into the parameter of cost optimization as the end condition
同時,為了加快搜索速度,引入代價優化指數作為搜索演算法的結束條件。Access plan directives that force the optimizer to use the designated access method for data retrieval, either sequential scan or index scan
訪問計劃指示,強制優化器使用指定的訪問方法進行數據檢索,要麼是連續掃描,要麼是索引掃描。Parameters specify the surrogate pair and the index position of the pair in the input
參數指定代理項對及其在輸入中的索引位置。Starting at the specified destination array index
,從指定目標數組索引處開始。Objects that together specify a specific intersection of indexes across the dimensions of the array
對象(它們共同指定數組維數間的特定索引交集) 。The pointer from an index row in a nonclustered index to a data row is called a row locator
從非聚集索引中的索引行指向數據行的指針稱為行定位器。Counter indicates the level of maintenance on the index caused by insert, update, or delete operations on the underlying table or view
計數器指示由基礎表或視圖上的插入、更新或刪除操作所引起的索引維護級別。In vsam, a collection of items used to sequence and locate one or more data records in a base cluster. each alternate index record contains an alternate key value and one or more pointers. when the alternate index supports a key sequenced data set, each data record ' s prime key value is the pointer. when the alternate index supports an entry sequenced data set, the data record ' s rba value is the pointer
在虛擬存儲存取方法( vsam )中,用於定序和定位基簇中的一個或多個數據記錄的項的匯集.每個備用索引記錄包含一個備用關鍵字的值和一個或多個指針.當該備用索引支持某個關鍵字順序數據集時,每個數據記錄的主關鍵字值就是這種指針.當該備用索引支持某個輸入順序數據集時,該數據記錄的rba (相對位元組地址)值就是這種指針Indexed properties, called indexers or default properties, differ from regular properties in that they take parameters indicating which element in the group to access
索引屬性(稱為索引器或默認屬性)與常規屬性不同,因為索引屬性接受參數,參數指示要訪問組中的哪個元素。A nonclustered index contains the nonclustered index key values and each key value entry has a pointer to the data row that contains the key value
非聚集索引包含非聚集索引鍵值,並且每個鍵值項都有指向包含該鍵值的數據行的指針。Class based on the specified region index of a byte array
基於位元組數組的指定區域(索引)初始化Object with the specified numerical index from the
中獲取具有指定數字索引的Class using the specified array data type and code expression indicating the number of indexes for the array
用指定的數組數據類型和指示數組索引數的代碼表達式初始化分享友人