本文選題：縣域　切入點：農(nóng)產(chǎn)品交易信息　出處：《天津大學(xué)》2014年碩士論文

【摘要】：在國內(nèi)已有數(shù)量龐大的農(nóng)產(chǎn)品信息類網(wǎng)站的前提下，仍然頻發(fā)農(nóng)產(chǎn)品的“賣難買貴”現(xiàn)象，說明這些網(wǎng)站并未發(fā)揮應(yīng)用的作用，而原因則在于這些網(wǎng)站未能發(fā)現(xiàn)農(nóng)村用戶對農(nóng)產(chǎn)品信息的真正需求。本研究立足農(nóng)村，從縣域范圍用戶需求分析出發(fā)，構(gòu)建針對縣域產(chǎn)品品類的農(nóng)產(chǎn)品交易信息平臺，，以緩解因信息不對稱（或者信息泛濫）造成的農(nóng)產(chǎn)品流通困境，服務(wù)于當(dāng)?shù)剞r(nóng)村經(jīng)濟(jì)發(fā)展。 本文首先分析了縣域農(nóng)產(chǎn)品交易信息平臺這一主題在國內(nèi)外研究的現(xiàn)狀。然后，從縣域范圍用戶的實際需求出發(fā)，進(jìn)行深入細(xì)致的需求分析和模塊設(shè)計，規(guī)劃該平臺主要有農(nóng)產(chǎn)品資訊、價格走勢和農(nóng)產(chǎn)品交易成功率計算器三大功能模塊，其中與縣域范圍內(nèi)農(nóng)產(chǎn)品品類有關(guān)的價格信息系利用聚焦爬蟲技術(shù)自動采集，將采集的數(shù)據(jù)加工后形成圖文形式的資訊和價格走勢，而交易成功率計算器則通過建立復(fù)雜的數(shù)學(xué)模型測算用戶所出的價格能夠賣出或買入某產(chǎn)品的成交率。在此基礎(chǔ)上，進(jìn)行數(shù)據(jù)庫及表結(jié)構(gòu)的設(shè)計，通過編寫代碼、構(gòu)建模型，完成平臺的開發(fā)。在網(wǎng)站測試階段，通過大量實際數(shù)據(jù)進(jìn)行驗證，證實了平臺代碼和交易成功率功能的有效性。 這種基于農(nóng)村用戶需求開發(fā)的網(wǎng)站，具有較好的針對性、易用性和普適性，平臺完善后可在全國縣域范圍內(nèi)進(jìn)行推廣。
[Abstract]:On the premise that there are already a large number of agricultural products information websites in China, the phenomenon of "hard to buy and buy expensive" agricultural products still occurs frequently, indicating that these websites have not played a role in application. The reason lies in the fact that these websites have failed to find out the real demand of rural users for agricultural products information. This study is based on the rural areas, starting from the analysis of the needs of the users in the county area, and constructs an agricultural product trading information platform for the category of products in the county area. In order to alleviate the agricultural product circulation dilemma caused by information asymmetry (or information flooding), serve the local rural economic development. This paper first analyzes the current situation of the research on the subject of the county agricultural product trading information platform at home and abroad. Then, proceeding from the actual needs of the users in the county area, the paper makes a thorough and detailed demand analysis and module design. The platform mainly includes three functional modules: agricultural product information, price trend and agricultural product trading success rate calculator. Among them, price information related to the agricultural products category in the county area is automatically collected using focused crawler technology. The collected data are processed to form the information and price trend in the form of graphics and text, while the transaction success rate calculator calculates the transaction rate of a certain product by establishing a complicated mathematical model. The database and table structure are designed, and the platform is developed by coding and modeling. In the testing stage of the website, the validity of the platform code and the function of trading success rate is verified by a large number of actual data. This kind of website based on the demand of rural users has better pertinence, ease of use and universality, and the platform can be popularized in the county area of the whole country after the completion of the platform.
【學(xué)位授予單位】：天津大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：F323.7;TP393.092

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