【摘要】：在線評(píng)論不僅實(shí)時(shí)的反應(yīng)了消費(fèi)者當(dāng)前的關(guān)注點(diǎn),而且作為已購(gòu)買者反饋的評(píng)論,實(shí)時(shí)的、準(zhǔn)確的傳遞了對(duì)購(gòu)買過程及購(gòu)買商品的理性認(rèn)知;可以給潛在的購(gòu)買者提供更為有用的感知風(fēng)險(xiǎn)的參考點(diǎn);這樣給消費(fèi)者帶來更為便利的幫助。論文首先通過時(shí)變論域下區(qū)間二型模糊集合表述評(píng)論語言,建立基于評(píng)論語言分析所得的店鋪商品現(xiàn)狀的動(dòng)態(tài)模糊規(guī)則及其詞計(jì)算。利用模糊聚類分析方法,對(duì)在線評(píng)論語言關(guān)鍵詞包含的內(nèi)容進(jìn)行分類。簡(jiǎn)化語言評(píng)論詞匯的豐富性,同時(shí)通過此方法建立了目標(biāo)對(duì)象的因素集。然后,采用了離散時(shí)變論域來描述在線店鋪商品,用二型模糊集合表述基詞分析在線評(píng)論,從在線評(píng)論文本關(guān)鍵詞為語言文字和具體的數(shù)字兩方面綜合考慮,確定商務(wù)店鋪商品現(xiàn)狀各因素集的區(qū)間二型模糊集合。并運(yùn)用模糊綜合評(píng)判方法及語言動(dòng)力系統(tǒng)理論對(duì)不同店鋪的同類商品的現(xiàn)狀進(jìn)行動(dòng)態(tài)評(píng)估,同時(shí)采用二型模糊集合來表述由在線評(píng)論分析所得的店鋪同類商品現(xiàn)狀結(jié)果。最后,以連續(xù)的區(qū)間二型模糊集合為基礎(chǔ),對(duì)在線評(píng)論進(jìn)行分析,建立商務(wù)店鋪現(xiàn)狀的評(píng)估和措施改善模型。設(shè)定控制對(duì)象預(yù)期目標(biāo),根據(jù)其模糊規(guī)則及其詞計(jì)算,確定可參考的干擾或者改善措施,形成閉環(huán)控制,得到預(yù)期的語言動(dòng)力學(xué)軌跡,完成目標(biāo)控制任務(wù),并應(yīng)用到在線店鋪現(xiàn)狀改善措施的確定的研究中。論文提出了一種區(qū)間二型模糊集合的方法,對(duì)在線評(píng)論進(jìn)行建模與分析。在當(dāng)前的環(huán)境下,給顧客帶來更多便利地、有效地、直接地決策依據(jù),同時(shí)給商家制定更合理的改進(jìn)方案提供參考依據(jù)。由于在線評(píng)論語言具有模糊性,隨著時(shí)間的變化人們?cè)u(píng)價(jià)事物的標(biāo)準(zhǔn)也會(huì)發(fā)生變化。因此,動(dòng)態(tài)模糊規(guī)則及其時(shí)變論域更適合解決語言評(píng)價(jià)類問題。同時(shí)由于時(shí)變論域的可變實(shí)時(shí)性,使該方法自適應(yīng)能力增強(qiáng),推理更為準(zhǔn)確。
[Abstract]:Online comments not only reflect the current concerns of consumers in real time, but also convey the rational cognition of the purchase process and goods in real time and accurately as the feedback of the purchasers. It can provide potential buyers with more useful reference points for risk perception; this will bring more convenient help to consumers. In this paper, the dynamic fuzzy rules and word calculation of shop goods based on the analysis of comment language are established by expressing the comment language by interval two fuzzy sets under the time-varying domain. The fuzzy clustering analysis method is used to classify the content contained in the keywords of online comment language. The richness of language comment vocabulary is simplified, and the factor set of target object is established by this method. Then, the discrete time-varying domain is used to describe the online store goods, and the two-type fuzzy set is used to express the base words to analyze the online comments, which is considered comprehensively from two aspects: the keywords of the online comment text are the language and the specific numbers. Determine the interval type 2 fuzzy set of each factor set of the present situation of business store commodities. The fuzzy comprehensive evaluation method and linguistic power system theory are used to dynamically evaluate the present situation of the same kind of goods in different stores, and the two-type fuzzy set is used to express the present situation results of the same kind of goods obtained from the online review and analysis. Finally, based on the continuous interval two-type fuzzy set, the online comments are analyzed, and the evaluation of the present situation of business stores and the improvement model of measures are established. Set the expected goal of the control object, according to its fuzzy rules and its word calculation, determine the interference or improvement measures that can be referred to, form the closed-loop control, obtain the expected language dynamics trajectory, and complete the target control task. And applied to the online store status quo improvement measures to determine the research. In this paper, a method of interval two fuzzy set is proposed to model and analyze online comments. In the current environment, it brings more convenient, effective and direct decision-making basis for customers, and provides a reference for businesses to make more reasonable improvement programs. Because of the fuzziness of online comment language, people's criteria for evaluating things will also change with the change of time. Therefore, dynamic fuzzy rules and their time-varying domains are more suitable for solving language evaluation problems. At the same time, due to the variable real-time performance of time-varying domain, the adaptive ability of the method is enhanced and the reasoning is more accurate.
【學(xué)位授予單位】：長(zhǎng)沙理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：F724.6;TP391.1

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