Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 66 for “"online reviews"”.
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Novel Algorithms for Understanding Online Reviews
… and learn structured knowledge from unstructured reviews, which can be investigated in three research directions, including understanding review corpora, understanding review documents, and understanding review segments. For the corpus-level review understanding, we have focused on discovering …
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Mining Multifaceted Customer Opinions from Online Reviews
Online reviews are a valuable source for studying customer needs and preferences. Previous studies focus on extracting a set of a priori defined constructs such as product attribute perception or explicit customer needs from reviews. Such a priori focus circumvents the limitations of certain …
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Clustered Layout Word Cloud for User Generated Online Reviews
User generated reviews, like those found on Yelp and Amazon, have become important reference material in casual decision making, like dining, shopping and entertainment. However, very large amounts of reviews make the review reading process time consuming. A text visualization can speed up the …
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Feature selection through visualisation for the classification of online reviews
… by applying our visualization technique to the online review classification into fake and genuine reviews. Our technique uses radial chart and color overlaps to explore the best feature selection through visualization for classification. Every review is treated as a radial translucent red or …
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The Influence Of Online Reviews On Saudi Consumers’ Tourism Destination Choices
Online consumer reviews (OCRs) can be key aspects of how tourists choose a travel destination. OCRs are particularly important for experiential purchases such as tourism destinations, because consumers have difficulty assessing the quality of intangible products prior to consumption. OCRs can thus …
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Online reviews and consumers' willingness to pay: the role of uncertainty
Empirical studies of online reviews have found that valence (average rating) has a consistently positive impact on consumers’ willingness to pay (WTP), but volume does not. Although two studies tried to explain this phenomenon using different perspectives (Wu and Ayala, 2012; Sun, 2012), neither …
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Three Essays on Contextual Effects in Traveler's Use of Online Reviews
… for decision-making. Given the importance of online reviews in the hospitality and tourism field as information sources, this dissertation aims to understand the contextual effects of online reviews on tourists' decision-making. By selecting several contextual factors, three independent and …
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The Effect of Online Reviews on Customer Satisfaction: An Expectation Disconfirmation Approach
During the last decade online retail sales have been growing constantly. This growth has been possible due to different factors like online reviews. Online reviews have been proven successful in predicting different variables like trust and sales in online settings; however, the impact of online …
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Management responding strategy to customer online reviews : a case study of hotels in Taiwan
… guests, hoteliers have started to manage their online reputations by responding to online reviews. In this study, we analyzed online customer reviews and the responses of 31 hotels. A clear trend was observed: hotels are putting more resources into online management responses. We also …
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Automated extraction of product feedback from online reviews: Improving efficiency, value, and total yield
In recent years, the expansion of online media has presented firms with rich and voluminous new datasets with profound business applications. Among these, online reviews provide nuanced details on consumers' interactions with products. Analysis of these reviews has enormous potential, but the …
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What makes reviews trustworthy? An investigation of user trust in online reviews when making purchase decisions
… number of systems that provide user-generated reviews the relationship between users and vendors, particularly unfamiliar vendors, is changing. Users are increasingly using online reviews for assessing vendors’ services prior to purchasing them. However, users might be uncertain how much to …
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Improving the accuracy and diversity of feature extraction from online reviews using keyword embedding and two clustering methods
… to solve this problem, but with the increase of online channels such as Twitter and YouTube, customer opinions that can be collected online have increased exponentially. This online data has the advantage that it can be collected faster and cheaper than traditional surveys. Naturally, many …
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CONSUMER INVOLVEMENT IN REVIEWING PRODUCTS ONLINE: A SELF-DETERMINATION THEORY PERSPECTIVE
Consumer online product reviews have profoundly affected consumer purchase decisions and products market performance. About 80% Internet users agree that their purchase decisions are influenced by online reviews. The features of online reviews, such as the volume, helpfulness, and valence have been …
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Online Review Analytics: New Methods for discovering Key Product Quality and Service Concerns
… as well as categorize safety concern reports in online reviews by using key terms prevalent in sub-categories of safety concerns. This dissertation extends the literature of semi-automatic text classification methodology in monitoring and classifying product quality and service concerns. We …
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Essays on digital economy
… learn from their market experience in an online marketplace. Using consumers' six-month purchase history data in a unique empirical setting in one of China's largest e-commerce platforms, I find that consumers buy from cheaper sellers as they gain market experience. To investigate how …
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