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User-Oriented Evaluation Methods for Interactive Web Search Interfaces
- IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology - Workshops
, 2007
"... Although significant efforts have been devoted to the study and evaluation of information retrieval systems from an algorithmic perspective, far less work has been per-formed on the evaluation of these systems from the user’s perspective. This is certainly the case for Web informa-tion retrieval, wh ..."
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Although significant efforts have been devoted to the study and evaluation of information retrieval systems from an algorithmic perspective, far less work has been per-formed on the evaluation of these systems from the user’s perspective. This is certainly the case for Web informa-tion retrieval, where the major search engines continue to utilise interfaces that have not changed substantially since their introduction. One of the challenges in developing new Web search interfaces is the evaluation of these systems in comparison to one another, as well as in comparison to the popular Web search engines. In this paper, we highlight some of the methods used in the literature for evaluating Web search systems, and present a summary of the methods that we have found to be effective in dealing with the chal-lenges of evaluating intelligent and interactive Web search interfaces. 1.
AspecTiles: Tile-based Visualization of Diversified Web Search Results
"... A diversified search result for an underspecified query generally contains web pages in which there are answers that are relevant to different aspects of the query. In order to help the user locate such relevant answers, we propose a simple extension to the standard Search Engine Result Page (SERP) ..."
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A diversified search result for an underspecified query generally contains web pages in which there are answers that are relevant to different aspects of the query. In order to help the user locate such relevant answers, we propose a simple extension to the standard Search Engine Result Page (SERP) interface, called AspecTiles. In addition to presenting a ranked list of URLs with their titles and snippets, AspecTiles visualizes the relevance degree of a document to each aspect by means of colored squares (“tiles”). To compare AspecTiles with the standard SERP interface in terms of usefulness, we conducted a user study involving 30 search tasks designed based on the TREC web diversity task topics as well as 32 participants. Our results show that AspecTiles has some advantages in terms of search performance, user behavior, and user satisfaction. First, AspecTiles enables the user to gather relevant information
Evaluating the effectiveness of term frequency histograms for supporting interactive Web search tasks
- In Proceedings of the ACM Conference on Desigining Interactive Systems
, 2008
"... Throughout many of the different types of Web searches peo-ple perform, the primary tasks are to first craft a query that effectively captures their information needs, and then evalu-ate the search results seeking relevant documents. However, the top Web search engines generally provide little suppo ..."
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Throughout many of the different types of Web searches peo-ple perform, the primary tasks are to first craft a query that effectively captures their information needs, and then evalu-ate the search results seeking relevant documents. However, the top Web search engines generally provide little support for users in these tasks. WordBars is a next-generation Web search interface that provides an interactive histogram rep-resentation of the most frequently appearing terms within the titles and snippets of the top 100 search results. In this paper, the results of a user study are presented in which the ability of the participants to find relevant documents using the features of WordBars is measured. Most participants were able to find more relevant documents using WordBars when compared to the original order of the search results. Subjective reactions were very positive, with all the partic-ipants rating the interactive features of WordBars highly.
A unified interface for visual and interactive Web search
- In Proceedings of the IASTED International Conference on Communications, Internet, and Information Technology
, 2007
"... A unified interface for visual and interactive web search ..."
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A unified interface for visual and interactive web search
TheHotMap.com: Enabling flexible interaction in nextgeneration Web search interfaces
- In Proceedings of the IEEE/WIC/ACM International Conference on Web Intelligence
, 2008
"... TheHotMap.com is an example of a next-generation Web search interface, wherein users are able to take an ac-tive role in the Web search process. Information that can assist searchers in their Web search tasks is presented in a visual manner. The system supports user interaction both during the query ..."
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TheHotMap.com is an example of a next-generation Web search interface, wherein users are able to take an ac-tive role in the Web search process. Information that can assist searchers in their Web search tasks is presented in a visual manner. The system supports user interaction both during the query refinement process, as well as the search results exploration process. This paper describes the fea-tures of TheHotMap.com; usage log analysis illustrates the benefits of supporting flexible interaction within a sin-gle unified Web search interface. 1.
upon request.
, 2009
"... I, the undersigned, declare that this work has not previously been submitted to this or any other University, and that unless otherwise stated, it is entirely my own work. ..."
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I, the undersigned, declare that this work has not previously been submitted to this or any other University, and that unless otherwise stated, it is entirely my own work.
A UNIFIED INTERFACE FOR VISUAL AND INTERACTIVE WEB SEARCH
"... The interfaces used by the top Web search engines have changed very little since the early days of Web search. These interfaces follow the traditional model of information retrieval in which users first formulate their queries and then evaluate the search results. Little support is provided for the ..."
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The interfaces used by the top Web search engines have changed very little since the early days of Web search. These interfaces follow the traditional model of information retrieval in which users first formulate their queries and then evaluate the search results. Little support is provided for the users ’ tasks of crafting and refining their queries, and subsequently exploring the search results. In this paper, we describe HotMap+WordBars, a next-generation interactive Web search interface that allows users to take an active role in their Web search tasks through visual exploration and manipulation features. KEY WORDS Web search, user interface, interactive query refinement, interactive search results exploration. 1
Displaying Relevance Scores for Search Results
"... Internet search engines typically compute a relevance score for webpages given the query terms, and then rank the pages by de-creasing relevance scores. The popular search engines do not, how-ever, present the relevance scores that were computed during this process. We suggest that these relevance s ..."
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Internet search engines typically compute a relevance score for webpages given the query terms, and then rank the pages by de-creasing relevance scores. The popular search engines do not, how-ever, present the relevance scores that were computed during this process. We suggest that these relevance scores may contain infor-mation that can help users make conscious decisions. In this paper we evaluate in a user study how users react to the display of such scores. The results indicate that users understand graphical dis-plays of relevance, and make decisions based on these scores. Our results suggest that in the context of exploratory search, relevance scores may cause users to explore more search results. 1.
By
, 2007
"... c © Copyright 2007: Orland Hoeber Although Web search has become the primary means by which people find and access information on the Web, the interfaces used by the top Web search en-gines have changed very little since the early days of the Web. Little support is provided for the tasks of crafting ..."
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c © Copyright 2007: Orland Hoeber Although Web search has become the primary means by which people find and access information on the Web, the interfaces used by the top Web search en-gines have changed very little since the early days of the Web. Little support is provided for the tasks of crafting and refining queries, and subsequently exploring search results sets. The goal of this research is to explore meth-ods by which interactive visualization can be used to support Web searchers. A novel paradigm is presented that highlights the use of subject knowledge to support interactive query refinement and interactive search results explo-ration. Four prototype systems are presented that represent an exploration of the design space. VisiQ provides a visual representation of a query, sup-porting interactive query refinement. HotMap provides a visual representation query term frequencies in the top search results, supporting interactive search results exploration. Concept Highlighter uses concept information as a means
Under the supervision of
, 2008
"... I declare that the work described in this thesis has not been submitted for a degree at any other university and that the work is entirely my own. ..."
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I declare that the work described in this thesis has not been submitted for a degree at any other university and that the work is entirely my own.
