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- research-articleJuly 2020
Personality effect on driving behavior
EM-GIS '19: Proceedings of the 5th ACM SIGSPATIAL International Workshop on the Use of GIS in Emergency ManagementNovember 2019, Article No.: 12, Pages 1–4https://doi.org/10.1145/3356998.3365772Task type may have influence on driving behavior in disasters, while personality trait may have moderating effects on driving behavior in different task types, there are few studies focus on it. In this paper, the research method of laboratory ...
- research-articleJuly 2019
Bridging Gaps: Predicting User and Task Characteristics from Partial User Information
SIGIR'19: Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information RetrievalJuly 2019, Pages 415–424https://doi.org/10.1145/3331184.3331221Interactive information retrieval (IIR) researchers often conduct laboratory studies to understand the relationship between people seeking information and information retrieval systems. They develop extensive data collection methods and tools create new ...
- research-articleSeptember 2018
The Broad View of Task Type Using Path Analysis
ICTIR '18: Proceedings of the 2018 ACM SIGIR International Conference on Theory of Information RetrievalSeptember 2018, Pages 131–138https://doi.org/10.1145/3234944.3234951Many past research efforts have examined the relationships between observable search behaviors, the task that drives searching, and user characteristics such as search expertise and topic familiarity. These studies often look at pairwise relationships ...
- short-paperJune 2018
How Much is Too Much?: Whole Session vs. First Query Behaviors in Task Type Prediction
SIGIR '18: The 41st International ACM SIGIR Conference on Research & Development in Information RetrievalJune 2018, Pages 1141–1144https://doi.org/10.1145/3209978.3210105One of the emerging and important problems in Interactive Information Retrieval research is predicting search tasks. Given a searcher's behavior during a search session, can the searcher's task be predicted? Which aspects of the task can be predicted, ...
- short-paperMarch 2018
The Paradox of Personalization: Does Task Prediction Require Individualized Models?
CHIIR '18: Proceedings of the 2018 Conference on Human Information Interaction & RetrievalMarch 2018, Pages 277–280https://doi.org/10.1145/3176349.3176887We explore the gap between 1) statistically significant relationships between task and browsing behavior and 2) predicting task type from such behaviors. Previous literature has shown relationships between Web browsing behavior and person»s ...
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- short-paperMarch 2018
How do Information Source Selection Strategies Influence Users' Learning Outcomes'
CHIIR '18: Proceedings of the 2018 Conference on Human Information Interaction & RetrievalMarch 2018, Pages 257–260https://doi.org/10.1145/3176349.3176876Learning-related type of tasks has attracted much research attention recently but it is still not clear what factors would influence users learning outcomes and how. In this study, we conducted a user experiment to assess searchers learning outcomes and ...
- posterJune 2016
Preliminary Exploration of the Effect of Time Constraint on Search Interactions on Webpages
JCDL '16: Proceedings of the 16th ACM/IEEE-CS on Joint Conference on Digital LibrariesJune 2016, Pages 265–266https://doi.org/10.1145/2910896.2925463This study explored the effect of time constraint on searchers' interactions during two kinds of tasks through conducting a user experiment. The results demonstrated users' did not tend to accelerate their reading or decision speed given time constraint,...
- research-articleNovember 2013
Examining the effects of task topic familiarity on searchers' behaviors in different task types
ASIST '13: Proceedings of the 76th ASIS&T Annual Meeting: Beyond the Cloud: Rethinking Information BoundariesNovember 2013, Article No.: 38, Pages 1–10In this paper, we examined the effects of information searchers' familiarity with task topics on their search behaviors, in different task types. Data were collected in a controlled laboratory experiment, participated by 32 undergraduate journalism ...
- research-articleAugust 2012
Personalization of search results using interaction behaviors in search sessions
SIGIR '12: Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrievalAugust 2012, Pages 205–214https://doi.org/10.1145/2348283.2348314Personalization of search results offers the potential for significant improvement in information retrieval performance. User interactions with the system and documents during information-seeking sessions provide a wealth of information about user ...
- research-articleSeptember 2011
A dynamic framework for multi-view task modeling
CHItaly '11: Proceedings of the 9th ACM SIGCHI Italian Chapter International Conference on Computer-Human Interaction: Facing ComplexitySeptember 2011, Pages 185–190https://doi.org/10.1145/2037296.2037340We propose a dynamic way to model task structures from multi viewpoints at different abstraction levels. For this, we provide a multi-view task modeling framework that defines a two-layered approach: at conceptual-level specific framework concepts for ...
- posterJuly 2011
Search task difficulty: the expected vs. the reflected
SIGIR '11: Proceedings of the 34th international ACM SIGIR conference on Research and development in Information RetrievalJuly 2011, Pages 1183–1184https://doi.org/10.1145/2009916.2010110We report findings on how the user's perception of task difficulty changes before and after searching for information to solve tasks. We found that while in one type of task, the dependent task, this did not change, in another, the parallel task, it ...
- research-articleFebruary 2011
Implicit acquisition of context for personalization of information retrieval systems
CaRR '11: Proceedings of the 2011 Workshop on Context-awareness in Retrieval and RecommendationFebruary 2011, Pages 10–13https://doi.org/10.1145/1961634.1961637One major problem of most current information retrieval systems is that they provide uniform access and retrieval results to all users solely based on the query terms users issued to the system. In this paper, we propose a model to personalize the ...
- research-articleOctober 2010
Analysis and evaluation of query reformulations in different task types
ASIS&T '10: Proceedings of the 73rd ASIS&T Annual Meeting on Navigating Streams in an Information Ecosystem - Volume 47October 2010, Article No.: 17, Pages 1–10Users engaged in information search often reformulate or modify their queries. This paper reports on an investigation of how task type and task situation influence users' query reformulation behavior. A controlled experiment was conducted with 48 ...
- research-articleOctober 2010
Predicting task difficulty for different task types
ASIS&T '10: Proceedings of the 73rd ASIS&T Annual Meeting on Navigating Streams in an Information Ecosystem - Volume 47October 2010, Article No.: 16, Pages 1–10This paper reports our investigation of differences in users' behavior between difficult and easy search tasks, as well as how these differences vary with different types of tasks. We also report how behavioral predictors of task difficulty vary across ...
- posterAugust 2010
The effect of task type and topic familiarity on information search behaviors
IIiX '10: Proceedings of the third symposium on Information interaction in contextAugust 2010, Pages 371–376https://doi.org/10.1145/1840784.1840841The paper describes results from a task-driven experiment on Web users' search behaviors. Subjects' search behavior and search experience in three types of search tasks (Fact Finding, Hierarchical Information Gathering, and Parallel Information ...
- research-articleAugust 2010
Helping identify when users find useful documents: examination of query reformulation intervals
IIiX '10: Proceedings of the third symposium on Information interaction in contextAugust 2010, Pages 215–224https://doi.org/10.1145/1840784.1840816We explore search behaviors during a new kind of search unit -- the query reformulation interval (QRI). The QRI is defined as an interval between two consecutive queries in one search session that contains at least two queries. Our controlled, web-based ...
- posterJuly 2010
Can search systems detect users' task difficulty?: some behavioral signals
SIGIR '10: Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrievalJuly 2010, Pages 845–846https://doi.org/10.1145/1835449.1835645In this paper, we report findings on how user behaviors vary in tasks with different difficulty levels as well as of different types. Two behavioral signals: document dwell time and number of content pages viewed per query, were found to be able to help ...
- research-articleJuly 2010
Personalizing information retrieval for multi-session tasks: the roles of task stage and task type
SIGIR '10: Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrievalJuly 2010, Pages 26–33https://doi.org/10.1145/1835449.1835457Dwell time as a user behavior has been found in previous studies to be an unreliable predictor of document usefulness, with contextual factors such as the user's task needing to be considered in its interpretation. Task stage has been shown to influence ...
- research-articleJune 2010
Search behaviors in different task types
- Jingjing Liu,
- Michael J. Cole,
- Chang Liu,
- Ralf Bierig,
- Jacek Gwizdka,
- Nicholas J. Belkin,
- Jun Zhang,
- Xiangmin Zhang
JCDL '10: Proceedings of the 10th annual joint conference on Digital librariesJune 2010, Pages 69–78https://doi.org/10.1145/1816123.1816134Personalization of information retrieval tailors search towards individual users to meet their particular information needs by taking into account information about users and their contexts, often through implicit sources of evidence such as user ...
- ArticleJuly 2009
Menu Design in Cell Phones: Use of 3D Menus
Proceedings of the 13th International Conference on Human-Computer Interaction. Part III: Ubiquitous and Intelligent InteractionJuly 2009, Pages 48–57https://doi.org/10.1007/978-3-642-02580-8_6The number of mobile phone users has been steadily increasing due to the development of microtechnology and human needs for ubiquitous communication. Menu design features play a significant role in cell phone design from the perspective of customer ...