Proceedings of the SIGCHI Conference on Human Factors in Computing Systems 2013
DOI: 10.1145/2470654.2481325
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The challenges of specifying intervals and absences in temporal queries

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Cited by 48 publications
(34 citation statements)
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“…EventFlow also includes two separate search interfaces 21 . While the basic menu-based search interface gives users easy access to either before and after relationships (Subsequence module) or during relationships (Overlap module), Advanced Search allows users to specify these relationships in tandem, as well as access to more complex temporal features such as absolute time constraints and absence of events scenarios.…”
Section: Eventflow Interface Descriptionmentioning
confidence: 99%
“…EventFlow also includes two separate search interfaces 21 . While the basic menu-based search interface gives users easy access to either before and after relationships (Subsequence module) or during relationships (Overlap module), Advanced Search allows users to specify these relationships in tandem, as well as access to more complex temporal features such as absolute time constraints and absence of events scenarios.…”
Section: Eventflow Interface Descriptionmentioning
confidence: 99%
“…EventFlow employs a graphical query interface, described in detail in [19], [20], that allows users to draw out event patterns of interest (See Figure 2). The goal of the IP formulation presented here is to match the current functionality of this query specification interface.…”
Section: Query Specificationmentioning
confidence: 99%
“…From a usability standpoint, a critical feature of search is the ability to rank results. Ranking provides structure for the result presentation, as well as helps users identify possible false positives due to errors in their query [19]. In EventFlow, the current metric for ranking results is the count of extraneous events in the record that were not matched to the query.…”
Section: Query Specificationmentioning
confidence: 99%
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“…Their request was that LifeFlow be given the capability to handle not only point events such as a heart attack or a surgery, but also interval events such as medication prescriptions and hospitals stays. This required an extensive remodeling of LifeFlow's data structure, display rendering, and the mechanisms for exploring and querying the data [17]. Happy to oblige, however, the application was restructured and redubbed as EventFlow [18](see Figure 2).…”
Section: Introductionmentioning
confidence: 99%