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This paper examines the reliability of implicit feedback generated from clickthrough data in WWW search. Analyzing the users' decision process using eyetracking and comparing implicit feedback against manual relevance judgments, we conclude that clicks are informative but biased. While this makes the interpretation of clicks as absolute relevance judgments difficult, we show that relative preferences derived from clicks are reasonably accurate on average.

This study explores travel blogs as a manifestation of travel experience. Visitor opinions posted on leading travel blog sites were analyzed to gain an understanding of the destination experience being manifested. Travel blogs on Charleston, South Carolina were collected through the three most popular travel blog sites and three blog search engines. Blogs were analyzed using semantic network analysis and content analysis methods to ascertain what bloggers were communicating about their travel experiences. Results revealed that major strengths of the destination were its attractions: historic charm, southern hospitality, beaches and water activities. Major weaknesses included weather, infrastructure, and fast service restaurants. Qualitative results demonstrated that travel blogs are an inexpensive means to gather rich, authentic, and unsolicited customer feedback. Information technology advances and increasingly large numbers of travel blogs facilitate travel blog monitoring as a cost-effective method for destination marketers to assess their service quality and improve travelers' overall experiences.

An eye tracking experiment revealed that college student users have substantial trust in Google's ability to rank results by their true relevance to the query. When the participants selected a link to follow from Google's result pages, their decisions were strongly biased towards links higher in position even if the abstracts themselves were less relevant. While the participants reacted to artificially reduced retrieval quality by greater scrutiny, they failed to achieve the same success rate. This demonstrated trust in Google has implications for the search engine's tremendous potential influence on culture, society, and user traffic on the Web.

This paper examines the reliability of implicit feedback generated from clickthrough data and query reformulations in WWW search. Analyzing the users' decision process using eyetracking and comparing implicit feedback against manual relevance judgments, we conclude that clicks are informative but biased. While this makes the interpretation of clicks as absolute relevance judgments difficult, we show that relative preferences derived from clicks are reasonably accurate on average. We find that such relative preferences are accurate not only between results from an individual query, but across multiple sets of results within chains of query reformulations.

Effective visual design of e-commerce websites enhances website aesthetics and emotional appeal for the user. To gain insight into how Internet users perceive human images as one element of website design, a controlled experiment was conducted using a questionnaire, interviews, and eye-tracking methodology. Three conditions of human images were created including human images with facial features, human images without facial features, and a control condition with no human images. It was expected that human images with facial features would induce a user to perceive the website as more appealing, having warmth or social presence, and as more trustworthy. In turn, higher levels of image appeal and perceived social presence were predicted to result in trust. All expected relationships in the model were supported except no direct relationship was found between the human image conditions and trust. Additional analyses revealed subtle differences in the perception of human images across cultures (Canada, Germany, and Japan). While the general impact of human images seems universal across country groups, based on interview data four concepts emerged-aesthetics, symbolism, affective property, and functional property-with participants from each culture focusing on different concepts as applied to website design. Implications for research and practice are discussed.

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