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With the rapid development of the Internet, the transmission of information between people has become simple and convenient. In the public Internet, the confidentiality of information is an important issue. This problem can be solved easily by using steganography, which also is referred to as 'data hiding.' In 2006, Zhang and Wang proposed an 'exploiting modification direction' (EMD) scheme in which...
Interactivity has been deemed as one of the prominent feature of the Internet for online consumers to seek product information. This study examined how the three dimensions of interactivity (control, direction of communication, and synchronicity) affect the users' online information seeking process, respectively. Moreover, we also assess how users' purpose (utilitarian vs. hedonic) moderates the effects...
Term suggestion techniques recommend query terms to a user based on his initial query. Providing adequate term suggestions is a challenging task. Most existing commercial search engines suggest search terms based on the frequency of prior used terms that match the first few letters typed by the user. We present a novel mechanism to construct semantic term-relation graphs to suggest semantically relevant...
With the development of video coding and broadband network delivery, students can learn by lecture videos through the Internet without attending the class. However, watching lecture videos alone would be boring and make the self-paced learning difficult and inefficient, since students could not be monitored by the teacher and accompanied by classmates. In this paper, we propose an adaptive video learning...
Web 2.0 is the network on which individuals contribute to the development and distribution of tools, contents, and software applications over the Internet. This concept enables a huge increase in the complexity of e-commerce development. For example, various innovative business models have emerged from the largely spread-out technological concept, providing different values to customers as well as...
Where sales used to be limited to a few best-selling products as characterized by the Pareto principle, the Internet has transformed the business environment by enabling a long tail market for "non-hit" products. This study views research articles as products of the research community and equates citations with product sales to investigate the long tail effects within research. First, we...
In this paper, we propose a Semantic Graphs for Image Search (SGIS) system, which provides a novel way for image search by utilizing collaborative knowledge in Wikipedia and network analysis to form semantic graphs for search-term suggestion. The collaborative article editing process of Wikipediapsilas contributors is formalized as bipartite graphs that are folded into networks between terms. When...
To enrich the viewing experience of baseball games and provide some clues for enhancing pitcher's performance, we propose a Kalman filter-based approach to track ball trajectory from single-view pitching sequences. Without setting extraordinary equipments in stadiums or other sensing instruments, this approach robustly extracts ball trajectory for pitching sequences captured from TV channels or downloaded...
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