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Dissertations / Theses on the topic 'Contextual search'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Lakshmanan, Hariharan 1980. "A client side tool for contextual Web search." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/29385.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2004.<br>Includes bibliographical references (p. 76-77).<br>This thesis describes the design and development of an application that uses information relevant to the context of a web search for the purpose of improving the search results obtained using standard search engines. The representation of the contextual information is based on a Vector Space Model and is obtained from a set of documents that have been identified as relevant to the context of the search. Two algorithms have been develope

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2

Tseng, Liang-Chun. "Modelling users' contextual querying behaviour for web image searching." Thesis, Queensland University of Technology, 2012. https://eprints.qut.edu.au/61049/1/Liang-Chun_Tseng_Thesis.pdf.

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The rapid growth of visual information on Web has led to immense interest in multimedia information retrieval (MIR). While advancement in MIR systems has achieved some success in specific domains, particularly the content-based approaches, general Web users still struggle to find the images they want. Despite the success in content-based object recognition or concept extraction, the major problem in current Web image searching remains in the querying process. Since most online users only express their needs in semantic terms or objects, systems that utilize visual features (e.g., color o

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3

Limbu, Dilip Kumar. "Contextual information retrieval from the WWW." Click here to access this resource online, 2008. http://hdl.handle.net/10292/450.

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Contextual information retrieval (CIR) is a critical technique for today’s search engines in terms of facilitating queries and returning relevant information. Despite its importance, little progress has been made in its application, due to the difficulty of capturing and representing contextual information about users. This thesis details the development and evaluation of the contextual SERL search, designed to tackle some of the challenges associated with CIR from the World Wide Web. The contextual SERL search utilises a rich contextual model that exploits implicit and explicit data to modify

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4

Fiske, Steven William. "Does Crowding Obscure the Presence of Attentional Guidance in Contextual Cueing?" Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/4039.

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The contextual cueing effect was initially thought to be the product of memory guiding attention to the target location. However, the steep search slopes obtained in contextual cueing indicate an absence of attentional guidance. We hypothesized that crowding could be obscuring the presence of attentional guidance and investigated this possibility in 2 experiments. Crowding was manipulated by varying the density of items in the local target region in a contextual cueing task. We observed a significant reduction in search slopes between the novel and repeated conditions when crowding was red

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5

Karlsson, Michael. "Bathroom Hideouts : A search for new ways of storing." Thesis, Linnéuniversitetet, Institutionen för design, DE, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-14163.

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My examination project during spring 2011 has been carried out in collaboration with DuoBad, a bathroom furniture company situated in Alsterbro, Småland. Their focus is to develop, manufacture and market bathroom furnitures with genuine craftsmanship. Through their partnership with some of the most influential manufacturers of quality bathroom products they can create an entirely new room to enjoy.I initiated the collaboration with DuoBad for the examination project and have not started from a specific task, but together with the company I have been focused on adding new thinking regarding sto

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6

Zhang, Limin. "Contextual Web Search Based on Semantic Relationships: A Theoretical Framework, Evaluation and a Medical Application Prototype." Diss., Tucson, Arizona : University of Arizona, 2006. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu%5Fetd%5F1602%5F1%5Fm.pdf&type=application/pdf.

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7

Chimfwembe, Richard. "Pastoral care in a context of poverty : a search for a Zambian contextual church response." Thesis, University of Pretoria, 2013. http://hdl.handle.net/2263/40203.

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In Zambia, it is true to say that people are politically free but materially still very poor, 49 years after independence which was attained in 1964. Many people lie below poverty datum-line and those that are, most hit, are the people living in rural areas. Many people are flocking from the rural areas to cities, leaving the old people, women and children in rural areas and in poverty. The levels of poverty in Zambia have reached a crisis, that even the president of Zambia, His Excellence Mr. Michael Chilufya Sata, acknowledged this fact during his parliamentary address to the second session

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8

Poulet, Sarah. "Contextual Cueing : apprentissage des régularités spatiales de l’environnement au cours de la recherche visuelle et accès conscient aux connaissances." Thesis, Bourgogne Franche-Comté, 2019. http://www.theses.fr/2019UBFCC027.

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Face à la surcharge informationnelle inhérente à la complexité du monde visuel, pour pallier la limitation de ses capacités de traitement et ajuster au mieux son comportement, l’être humain est capable d’apprendre et d’exploiter des régularités présentes dans son environnement visuel. S’il est complexe, le monde visuel n’en est effectivement pas moins hautement structuré et redondant, le contexte dans lequel s’inscrivent les objets constituant dès lors une source de prédictibilité profitable aux observateur·rice·s. Depuis une vingtaine d’années, le paradigme de Contextual Cueing (CC) offre un

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9

Reuter, Robert. "Direct and indirect measures of learning in visual search." Doctoral thesis, Universite Libre de Bruxelles, 2013. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209542.

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In this thesis, we will explore direct and indirect measures of learning in a visual search task commonly called contextual cueing. In the first part, we present a review of the scientific literature on contextual cueing, in order to give the readers of this thesis a better general idea of existing evidence and open questions within this relatively new research field. The aims of our own experimental studies presented in the succeeding chapters are the following ones: (1) to replicate and extend the findings described in the various papers by Marvin Chun and various colleagues on contextual cu

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10

Zang, Xuelian [Verfasser], and Hermann J. [Akademischer Betreuer] Müller. "Differential contributions of global, local and background contexts in contextual-guided visual search / Xuelian Zang. Betreuer: Hermann J. Müller." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2014. http://d-nb.info/1076471927/34.

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11

Kinley, Khamsum. "Towards modelling web search behaviour : integrating users’ cognitive styles." Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/63804/1/Kinley_Kinley_Thesis.pdf.

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With the rapid growth of information on the Web, the study of information searching has let to an increased interest. Information behaviour (IB) researchers and information systems (IS) developers are continuously exploring user - Web search interactions to understand and to help users to provide assistance with their information searching. In attempting to develop models of IB, several studies have identified various factors that govern user's information searching and information retrieval (IR), such as age, gender, prior knowledge and task complexity. However, how users' contextual factors,

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12

Mathey, Stanislas. "Apprentissage de régularités spatiales différées dans le temps avec le paradigme du contextual cueing." Electronic Thesis or Diss., Bourgogne Franche-Comté, 2024. http://www.theses.fr/2024UBFCC004.

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Le contextual cueing (Chun & Jiang 1998) fait référence à un mécanisme de facilitation de la recherche, au cours d’une tâche, dû à l'apprentissage de régularités contextuelles et statistiques prédisant la caractéristique d’une cible. À travers cinq expériences, nous avons étudié les effets de statistical learning spatio-temporel à partir d'images. En utilisant une procédure de contextual cueing, nous avons d'abord examiné la robustesse de l'apprentissage sur plusieurs semaines lorsqu'une image en arrière-plan prédisait l'emplacement d’un T à détecter parmi des L (Expérience 1). Les résulta

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13

Zimák, Radek. "Podnikatelský záměr v oblasti českého internetu včetně realizace." Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-75989.

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This diploma work deals with specific business concept and with possibilities of a company promotion on the Internet. The theoretical segment contains a survey of the Internet business models and a synopsis of current individual forms of promotion used on the Internet. There are described advantages and disadvantages of banner advertising, contextual advertising, email marketing, search engine marketing (SEM), social networks and affiliate marketing. The final part of theoretical section of the thesis is dedicated to the possibilities of propagation efficiency measurements. Practical part of t

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14

Kalous, Martin. "Srovnání reklamních systémů a vybrání nejvhodnější varianty pro "Pension 48"." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-124559.

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This work deals with internet advertising. Describes the basic characteristics of Internet marketing, survey errors that nascent entrepreneurs engage in formulating goals. Discusses the different types of advertising on the Internet usable in terms of functionality, payment options. It also offers an overview of advertising systems that provide these types of ads. In connection with advertising, the work deals with the problem of blocking. On show are the best known systems that block ads, but also ways to bypass such systems. The aim is to give people who want to invest money into advertising

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15

Kuo, Yin-Hsi, and 郭盈希. "Exploiting Contextual Information for Visual Search." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/ad6sbb.

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博士<br>國立臺灣大學<br>資訊網路與多媒體研究所<br>105<br>With the prevalence of capture devices, people are used to share their images and videos on the social media (e.g., Flickr and Facebook). To provide relevant information (e.g., reviews, landmark names, products) for these uploaded media, the need for effective and efficient visual search (e.g., image retrieval, mobile visual search, product search) is emerging. It enables plenty of applications such as recommendation, annotation, and advertisement. The state-of-the-art approaches (visual features) usually suffer from low recall rates because small changes

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16

"Categorical Contextual Cueing in Visual Search." Master's thesis, 2014. http://hdl.handle.net/2286/R.I.25798.

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abstract: Previous research has shown that people can implicitly learn repeated visual contexts and use this information when locating relevant items. For example, when people are presented with repeated spatial configurations of distractor items or distractor identities in visual search, they become faster to find target stimuli in these repeated contexts over time (Chun and Jiang, 1998; 1999). Given that people learn these repeated distractor configurations and identities, might they also implicitly encode semantic information about distractors, if this information is predictive of the targe

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17

Lukie, Michael Paul. "In search of student engagement in high school physics through contextual teaching." 2012. http://hdl.handle.net/1993/8116.

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This action research study compared student intellectual engagement between two different instructional delivery methods. The first instructional method was a non-contextual teaching approach using a textbook to teach the work outcomes for the S4 physics mechanics unit. The second instructional method was a contextual teaching approach where students built an electric guitar pickup and a simple electric guitar in order to provide a context for the teaching of the electromagnetism outcomes for the S4 physics electricity unit. To measure the intellectual engagement of students, data was collecte

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18

Ghafouri, Farveh. "In Search of Understanding Children's Engagement with Nature and their Learning Experiences in One Urban Kindergarten Classroom." Thesis, 2012. http://hdl.handle.net/1807/32718.

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Considering the context of large city schools, this study explores what variables in a kindergarten classroom may impact the process of children’s engagement with nature. In particular I examine the central role of children and teacher in co-constructing their own unique understanding, knowledge, and attitude towards the natural world. In this study, I examine nature-child’s connection considering the complexity of nature beyond a pre-packaged concept (Louv, 2007) and avoiding a linear identification of a cause and effect relationship between children’s learning experiences and nature, (Keller

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