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Multitasking, cognitive coordination and cognitive shifts during web searching

Jia Tina Du
2011 SIGIR Forum  
Description This project is being undertaken as part of a PhD project for Jia Tina Du. The purpose of this project is to study how people interact with Web search engines.  ...  Tina Du -PhD student Professor Amanda Spink -Supervisor Phone: 3138 9577 Phone: 3138 9583 • have had any questions answered to your satisfaction • understand that if you have any additional questions  ... 
doi:10.1145/1988852.1988869 fatcat:h2py4yu42naujlpzxzq23hagbu

Mobile-Enabled Collaborative Maintenance

Faisal Syafar, Jing Gao, Jia Tina Du
2014 Pacific Asia Conference on Information Systems  
This paper focuses on the benefit of collaborative maintenance and current supported mobile technology. Mobile technologies and solutions are very popular in consumer applications and the exploitation of these technologies is expanding. In large-scale industries, maintenance of mobile solutions has not yet attracted much attention. One explanation is the lack of competence and knowledge for adopting mobile solutions successfully in professional use. Many companies have experienced problem in
more » ... pting the maintenance of mobile solutions due to inoperative telecommunication connections, lacking of suitable devices or insufficient implementation preparation. Another reason is that the benefits of mobile solutions have not been well-recognised, for example in maintenance domain. To the best of our knowledge, this research is of the first to investigate the roles of current mobile technologies in support of collaborative maintenance by eliciting an expert pane's perspectives using a Delphi study. This paper seeks to present the benefits of collaborative maintenance, and the current roles of mobile technologies in supporting collaborative maintenance work in engineering assets organisations.
dblp:conf/pacis/SyafarGD14 fatcat:6ab4qyiis5durduqeaesh5fkmu

Mobile Collaboration Technology to Support Maintenance Enterprise System in Large Industry

Faisal Syafar, Jing Gao, Jia Tina Du
2015 Americas Conference on Information Systems  
Mobile collaborative maintenance system (MCMS) has the potential to offer significant advantages over existing maintenance systems. Moreover, in this context, an integrated high-level maintenance strategy comprising multiple sub-systems requires the collaboration of many stakeholders including multiple systems and departments. They work together to improve coordination and sharing of information within the whole disparate maintenance process. Several specialized systems have been invested in to
more » ... enhance asset management and maintenance systems; however, experts argue that the success rate of such systems is less than thirty per cent. The lack of systematic approach, together with the lack of specific requirements may be the main cause, which calls for a comprehensive framework that engineering organization can implement. The objective of this research therefore is to propose a framework guiding the implementation of new mobile technologies enterprise that meets all collaborative maintenance requirements.
dblp:conf/amcis/SyafarGD15 fatcat:v72r24e5cvdytlwt3aoakzm24q

Modeling Web search: Preliminary results

Jia Tina Du, Amanda Spink
2009 Proceedings of the American Society for Information Science and Technology  
Du, J.T., & Spink, A. (2009). Modeling Web search: Preliminary results.  ...  Multitasking, cognitive shifting and cognitive coordination are important aspects of users' cognitive process during Web search (Du & Spink, 2008) .  ... 
doi:10.1002/meet.2009.1450460314 fatcat:ppu6vee7lbcz5kmpb5sv2aq6vy

Examining collaborative query reformulation

Abu Shamim Mohammad Arif, Jia Tina Du, Ivan Lee
2014 Proceedings of the 37th international ACM SIGIR conference on Research & development in information retrieval - SIGIR '14  
Users often reformulate or modify their queries when they engage in searching information particularly when the search task is complex and exploratory. This paper investigates query reformulation behavior in collaborative tourism information searching on the Web. A user study was conducted with 17 pairs of participants and each pair worked as a team collaboratively on an exploratory travel search task in two scenarios. We analyzed users' collaborative query (CQ) reformulation behavior in two
more » ... ensions: firstly, CQ reformulation strategies; and secondly, the effect of individual queries and chat logs on CQ reformulation. The findings show that individual queries and chat logs were two major sources of query terms in CQ reformulation. The statistical results demonstrate the significant effect of individual queries on CQ reformulation. We also found that five operations were performed to reformulate the CQs, namely: addition, modification, reordering, addition and modification, and addition and reordering. These findings have implications for the design of query suggestions that could be offered to users during searches using collaborative search tools.
doi:10.1145/2600428.2609463 dblp:conf/sigir/ArifDL14 fatcat:kkqudfuubjhirmbppwyjqormii

Information use and information sharing in marketing: A diary study

Jia Tina Du
2012 Proceedings of the American Society for Information Science and Technology  
Information sharing has been paid inadequate attention by information scientists (Wilson, 2010; Du et al., 2012) .  ...  Du et al. (2012) proposed a faceted classification of information sharing comprising five facets (each facet has its own values) which were deemed important in the marketing context.  ... 
doi:10.1002/meet.14504901290 fatcat:a33vhilarnhmvorjgulqexwq4u

Study of multitasking, cognitive coordination and cognitive shifts in Web search: Preliminary findings

Jia Tina Du
2011 Proceedings of the American Society for Information Science and Technology  
Du and Spink (2009) originally explored task coordination and cognitive coordination mechanisms during Web search.  ...  Cognitive shifting is an important research area for understanding the cognitive processes associated with Web search (Du & Spink, 2009 ).  ... 
doi:10.1002/meet.2011.14504801091 fatcat:tzjy3s2d5nh3rj2uakf7rnm7aq

Gender inclusivity and equity in academic libraries: Insights from around the globe

Buhle Mbambo-Thata, Jia Tina Du, Ulrike Lang, Jesús Lau, Amal W. Mostafa, Bharat Mehra, Clara M. Chu, Jaya Raju
2019 College & research libraries news  
Areas that were not mentioned but exist and require attention are: Buhle Mbambo-Thata, Jia Tina Du, Ulrike Lang, Jesús Lau, Amal W. Mostafa, Bharat Mehra, Clara M.  ...  Gender inclusivity/equity in academic libraries in Asia and Oceania: The Australian experience-Jia Tina Du, University of South Australia Asia and Oceania, a region rich in culture and geography, and diverse  ... 
doi:10.5860/crln.80.8.438 fatcat:qcel4sslmfdijesqk75mfgdzai

Application of Data Mining in MOOCs for Developing Vocational Education: A Review and Future Research Directions

Jianzhen Zhang, Jia Tina Du, Fang Xu
2018 International Journal of Information and Education Technology  
Jia Tina Du is with the University of South Australia, Adelaide, SA 5001 Australia (e-mail:  ...  Du is senior lecturer of information studies in the School of Information Technology and Mathematical  ... 
doi:10.18178/ijiet.2018.8.6.1073 fatcat:kcwjruuukbesddh7kb525knszi

Cognitive Activity during Web Search

Md. Hedayetul Islam Shovon, D (Nanda) Nandagopal, Jia Tina Du, Ramasamy Vijayalakshmi, Bernadine Cocks
2015 Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval - SIGIR '15  
Searching on the Web or Net-surfing is a part of everyday life for many people, but little is known about the brain activity during Web searching. Such knowledge is essential for better understanding of the cognitive demands imposed by the search system and search tasks. The current study contributes to this understanding by constructing brain networks from EEG data using normalized transfer entropy (NTE) during three Web search task stages: query formulation, viewing of a search result list
more » ... reading each individual content page. This study further contributes to the connectivity analysis of the constructed brain networks, since it is an advanced quantitative technique which enables the exploration of brain function by distinct and varied brain areas. By using this approach, we identified that the cognitive activities during the three stages of Web searching are different, with various brain areas becoming more active during the three Web search task stages. Of note, query formulation generated higher interaction between cortical regions than viewing a result list or reading a content page. These findings will have implications for the improvement of Web search engines and search interfaces.
doi:10.1145/2766462.2767784 dblp:conf/sigir/ShovonNDVC15 fatcat:uejqh7u2czg75hpkrz7gf2amom

How Users' Gaze Behavior Is Related to Their Quality Evaluation of a Health Website Based on HONcode Principles?

Qin Qin, Qing Ke, Jia Tina Du, Yushan Xie
2020 Data and Information Management  
AbstractWhile the health website is an easily accessible source for patients to use when seeking health information, the quality of online health information has been a critical issue that concerns all stakeholders in healthcare. The aim of this research was to examine the relationship between users' evaluation of the health website quality and their gaze behavior on the web pages. Eye tracking and a self-report questionnaire based on the HONcode principles were used to address the objective.
more » ... found that (1) the evaluations of authority, privacy, financial disclosure, and advertising policy are positively correlated with the fixation count and total fixation duration toward corresponding page components, while the evaluations of complementarity and attribution are negatively correlated with the fixation count and total fixation duration to corresponding page components; and (2) the fixation count and total fixation duration toward health information sources are negatively related to the evaluation of health website quality, while the fixation count and total fixation duration to site owner are positively related to the quality evaluation. Users' attention to page components is closely related to the evaluation of principles, and also has a certain impact on the overall quality evaluation of a health website. Based on the findings, our research may serve to improve the health website design and be a foundation to develop an automatic evaluation approach of the health website quality.
doi:10.2478/dim-2020-0045 fatcat:yihri77br5blfiuviuj25rttsu

Differentially Private Demand Side Management for Incentivized Dynamic Pricing in Smart Grid [article]

Muneeb Ul Hassan, Mubashir Husain Rehmani, Jia Tina Du, Jinjun Chen
2022 arXiv   pre-print
In order to efficiently provide demand side management (DSM) in smart grid, carrying out pricing on the basis of real-time energy usage is considered to be the most vital tool because it is directly linked with the finances associated with smart meters. Hence, every smart meter user wants to pay the minimum possible amount along with getting maximum benefits. In this context, usage based dynamic pricing strategies of DSM plays their role and provide users with specific incentives that help
more » ... ng their load curve according to the forecasted load. However, these reported real-time values can leak privacy of smart meter users, which can lead to serious consequences such as spying, etc. Moreover, most dynamic pricing algorithms charge all users equally irrespective of their contribution in causing peak factor. Therefore, in this paper, we propose a modified usage based dynamic pricing mechanism that only charges the users responsible for causing peak factor. We further integrate the concept of differential privacy to protect the privacy of real-time smart metering data. To calculate accurate billing, we also propose a noise adjustment method. Finally, we propose Demand Response enhancing Differential Pricing (DRDP) strategy that effectively enhances demand response along with providing dynamic pricing to smart meter users. We also carry out theoretical analysis for differential privacy guarantees and for cooperative state probability to analyze behavior of cooperative smart meters. The performance evaluation of DRDP strategy at various privacy parameters show that the proposed strategy outperforms previous mechanisms in terms of dynamic pricing and privacy preservation.
arXiv:2102.01478v3 fatcat:pyf5pycxkjhi7jro6p4evr62qa

Personalisation of Web Search: Exploring Search Query Parameters and User Information Privacy Implications-The Case of Google

Anisha T. J. Fernando, Jia Tina Du, Helen Ashman
2014 Annual International ACM SIGIR Conference on Research and Development in Information Retrieval  
Personalised search adapts search results to the needs and interests of users. This is done through user data collected through various implicit and explicit methods and is used to build profiles of information needs of users. This paper highlights the need to explore search query parameters and determine their impact on personalisation. This is a first step in exploring the mechanisms of personal data collection and how personalised search uses personal data, which subsequently impacts the
more » ... rmation privacy of users. It was found that location parameters have more impact on personalisation than the parameter 'pws' that switches personalisation on or off. Hence, it is important to undertake further research that investigates the impact of other types of search query parameters, their contribution towards search personalisation and their impact on user information privacy.
dblp:conf/sigir/FernandoDA14 fatcat:26eszz77nrhhfduc5bhns2poxi

Page 476 of Revue Des Deux Mondes Vol. 4, Issue [page]

1843 Revue Des Deux Mondes  
ce qu’est la prose dans la Jia Nuova de Dante, c'est-à-dire un dé- veloppement, une glose interprétative des vers.  ...  Bien des pages du poète du Divan ne sont que des pages de Bettina ainsi arrangées, rimées, ajustées. « Écris-moi bientôt , lui répète-t-il sans cesse, afin que j'aie bientôt de la copie à traduire. » Goethe  ... 

Page 3810 of Psychological Abstracts Vol. 84, Issue 8 [page]

1997 Psychological Abstracts  
du Lac, Sascha, 25465 Dulcan, Mina, 27441 Dumais, Susan T., 25303 Dumais-Huber, Claude, 26366 Du Mars, Roger C., 27082 Dunbar, Nicola, 27550 Duncan, Debra, 25862 Duncan, Dee, 27232 Duncan, Erica, 26539  ...  ., 26450 Cui, Xing-Jia, 26444 Cukor, Peter, 26527, 27662 Cully, Marlane, 25047 Cummings, E. Mark, 25705 Cummings, Jeffrey L., 26962, 27041 Cunningham, Kathryn, 25624 Cunningham, S.  ... 
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