Information Retrieval in Digital Environments

<p>CHAPTER 1. INFORMATION RETRIEVAL IN DIGITAL ENVIRONMENTS: DEBATE AND SCIENTIFIC DIRECTIONS 1</p>
<p>1.1. Information retrieval, current and future challenges 1</p>
<p>1.2. What are we talking about? 3</p>
<p>1.3. Interaction and navigation at the heart of information retrieval 7</p>
<p>1.4. Why should we be interested in information retrieval? 9</p>
<p>1.4.1. Economy: maximize profitability and minimize risks 10</p>
<p>1.4.2. Information technology: mathematical concepts of the relevance of information 12</p>
<p>1.4.3. Robotics: improving movements and interactions 14</p>
<p>CHAPTER 2. CONCEPTUAL AND METHODOLOGICAL APPROACHES TO INFORMATION RETRIEVAL IN<br /> DIGITAL ENVIRONMENTS 19</p>
<p>2.1. The approaches of information sciences: the precursors 19</p>
<p>2.2. The Marchionini sequential iterative model 21</p>
<p>2.3. The holistic model of Kuhlthau 23</p>
<p>2.4. The first studies of psychology and cognitive ergonomics 26</p>
<p>2.5. The cyclic model of David, Song, Hayes and Fredin 31</p>
<p>2.6. The skills–centered model of Brand–Gruwel 33</p>
<p>2.7. Kitajima s predictive model 36</p>
<p>2.8. The hyper–specialized model of Sharit, Hernandez, Czaja and Pirolli 39</p>
<p>2.9. The Landscape Model diversion by Dinet 42</p>
<p>CHAPTER 3. INFORMATION RETRIEVAL: PSYCHOERGONOMIC APPROACH 49</p>
<p>3.1. Introduction 49</p>
<p>3.2. Identifying difficulties in modifying interfaces 51</p>
<p>3.2.1. Hierarchical task analysis 52</p>
<p>3.2.2. Analysis of the end users behavior 55</p>
<p>3.2.3. Implications for the (re)design of interfaces 61</p>
<p>3.3. Anticipating the needs of users 63</p>
<p>3.3.1. If we built it, they will come 64</p>
<p>3.3.2. The analysis of users expectations and behaviors 65</p>
<p>3.3.3. Prospective ergonomics and technological innovation 70</p>
<p>3.3.4. Anticipating and understanding the needs of users: the method of staff made up of community experts 73</p>
<p>3.3.5. An example of application of the method of staff made up of community experts 76</p>
<p>3.4. The motor dimension 79</p>
<p>3.4.1. Motor ability and information retrieval in digital environments 79</p>
<p>3.4.2. Toward a lexicon of intuitive gestures 85</p>
<p>3.5. The social dimension and collaborative 88</p>
<p>3.5.1. From individual research to collaborative information retrieval 89</p>
<p>3.5.2. Benefits and limitations of collaborative information retrieval 90</p>
<p>3.6. Impact of emotional ties between collaborators 92</p>
<p>3.6.1. Ties between collaborators and impact on information retrieval 94</p>
<p>3.6.2. RCI–Web : software to assist information retrieval 97</p>
<p>3.7. The cultural dimension 102</p>
<p>3.7.1. About the importance of the home page 102</p>
<p>3.7.2. Culture and design of Websites home pages: an ergonomic inspection 105</p>
<p>3.7.3. Information retrieval culture and behavior navigation 107</p>
<p>3.8. The visual exploration strategies109</p>
<p>3.8.1. Impact of the typographical marking (bottom–up approach) 112</p>
<p>3.8.2. Impact of the mental model (top–down approach) 117</p>
<p>CONCLUSION 123</p>
<p>BIBLIOGRAPHY 125</p>
<p>INDEX 165</p>