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 24 for “"User reviews"”.
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Knowledge Acquisition from User Reviews for Interactive Question Answering
… engines and question answering systems help users to find the information that they need. However, even when assisted by these various applications, people sometimes struggle to find what they want. For example, when choosing a product customers can be confused by the need to consider many …
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Product Defect Discovery and Summarization from Online User Reviews
… However, considering the vast volume of online reviews, how to automatically identify critical product defects and summarize the related information from the huge number of user reviews is challenging, even when we target only the negative reviews. As a kind of opinion mining research, existing …
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Rich-context: an unsupervised context-driven recommender system based on user reviews
In the digital era, users have, more than at any point in history, a large amount of products or services to choose from. Recommender systems help to overcome this problem by suggesting which products or services to consume based on the users’ past behavior along with additional information about …
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Joint analysis of user-generated content and product information to enhance user experience in e-commerce
… our life. However, shopping experience of users in e-commerce has been far from the optimum. In order to enhance user experience in e-commerce, we propose a series of novel studies based on joint analysis of user-generated content and product information; in this dissertation, …
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Age differences in making credibility judgments of online health information
… cues in message contents, website features and user reviews, which are widely used for online medication information, could differentially impact younger (19 to 26 years of age) and older adults’ (58 to 80 years of age) credibility judgments. Results from the first experiment showed that older …
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User Review Analysis for Requirement Elicitation
Online reviews are an important channel for requirement elicitation. However, requirement engineers face challenges when analysing online user reviews, such as data volumes, technical supports, existing techniques, and legal barriers. This thesis proposes a framework solving user review analysis …
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Two essays on product positioning and social media
… the opposite. In chapter 2, I study how online user reviews and online expert reviews jointly affect sales. Although numerous studies have examined their effects separately, their joint effects have been largely neglected. Through three empirical studies, I find that the inconsistency of user …
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A Comprehensive Solution to Predict Short-term and Long-term user Intention with Environmental Context
Prediction of user intention is an important task in business intelligence and analysis. Our research divides user intention into short-term and long-term, corresponding to the first purchase and repurchase scenarios respectively. To model short-term user consumption intention prediction, we …
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Consumer-Centric Innovation for Mobile Apps Empowered by Social Media Analytics
… existing literature has demonstrated that online user-generated content can significantly influence consumer behavior and increase sales. However, its impact on organizational operations has been primarily focused on marketing, with other areas understudied. Hence, there is a pressing need to …
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Customer confusion: product overlap, ambiguous needs, and information overload : an examination of corporate mental models for derivative product creation and their impact on customers
… devices from the Fitbit case, where online user reviews supplement specification information. Finally, we find that contextual ambiguity is a huge problem for the customers in the semiconductor industry. Several strategies such as customer support and enhanced web content are identified to …
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Incorporating User Opinion into a New Wine Tourism Map for Southwest Virginia
Thematic tourist maps provide users with a tangible geographic route to their travel destinations and also may contain a wide variety of additional information to enhance traveler experiences. Unlike other types of maps that focus on accurate topographic representation of an area or on depiction of …
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Learning-based Attack and Defense on Recommender Systems
… being created, making it difficult for users to find information relevant to them. In recent times, online users have been relying on the recommendations made by websites to narrow down the options. Online reviews have also become an increasingly important factor in the final choice of a …
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Connecting The Montessori Philosophy Through EdTech
… using a custom-developed codebook to analyze user reviews posted by guardians of children on the Apple App Store. These reviews pertained to apps identified as Montessori-based, either through explicit labeling or meta-data. In addition to this review analysis, a user study was carried out in …
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Community of Entrepreneurs in Coworking Space
… the community building process, and analyzing user reviews of coworking spaces. The first essay contributes to the literature on coworking space by creating novel ideal types of coworking spaces. Based on interviews conducted and archival data from 16 coworking spaces, this study finds that the …
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Identifying End-User Challenges and Mitigation Strategies in Software Ecosystems: A Large-Scale Empirical Study on User Feedback
… of this thesis is to analyze and articulate end-user challenges and pain points in Software Ecosystems (SECOs) based on user feedback. The problems faced by end-users in SECOs and the methods to address them have not been studied in existing research. The objectives include understanding …
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A review-aware multi-modal neural collaborative filtering recommender system
… amounts of data to locate the infor mation that users are seeking. Within e-commerce, recommender systems aim to provide users with personalised product recommendations based on their preferences and behaviours. They analyse user data, for example their browsing history, purchase history, and …
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Aspect-based sentiment analysis for social recommender systems.
… and interactions to provide recommendations to users. The retrieval and ranking of products, using similarity knowledge, is central to the recommendation architecture. To enhance recommendation performance, having an effective representation of products is essential. Social content such as …
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An Investigation Into How Sources of Information Influence Consumers' Perceptions and Decision Making
Consumers rely on sources of information to learn about products and make informed purchasing decisions. In fact, one of the first factors consumer consider when evaluating product information, is the source of that information. Yet despite the importance of the source, research on this topic is …
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