{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T12:47:49Z","timestamp":1753879669443,"version":"3.41.2"},"reference-count":38,"publisher":"ASME International","issue":"1","content-domain":{"domain":["asmedigitalcollection.asme.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2017,3,1]]},"abstract":"<jats:p>There are many real-life processes whose smart control requires processing context information. Though processing time-varied context information is addressed in the literature, domain-independent solutions for reasoning about time-varying process scenarios are scarce. This paper proposes a method for dynamic context computation concerning spatial and attributive information. Context is interpreted as a body of information dynamically created by a pattern of entities and relationships over a history of situations. Time is conceived as a causative force capable of changing situations and acting on people and objects. The invariant and variant spatial information is captured by a two-dimensional spatial feature representation matrix (SFR-matrix). The time-dependent changes in the context information are computed based on a dynamic context information (DCI) management hyper-matrix. This humble but powerful representation lends itself to a quasi-real time computing and is able to provide information about foreseeable happenings over multiple situations. Based on this, the reasoning mechanism proposed in this paper is able to provide informative instructions for users who needed to be informed in a dynamically changing situation. This paper uses the practical case of evacuation of a building in fire both as an explorative case for conceptualization of the functionality of the computational mechanism and as a demonstrative and testing application. Our intention is to use the dynamic context computation mechanism as a kernel component of a reasoning platform for informing cyber-physical systems (I-CPSs). Our future research will address the issue of context information management for multiple interrelated spaces.<\/jats:p>","DOI":"10.1115\/1.4034034","type":"journal-article","created":{"date-parts":[[2016,7,1]],"date-time":"2016-07-01T22:31:19Z","timestamp":1467412279000},"update-policy":"https:\/\/doi.org\/10.1115\/crossmarkpolicy-asme","source":"Crossref","is-referenced-by-count":1,"title":["Dynamic Computation of Time-Varying Spatial Contexts"],"prefix":"10.1115","volume":"17","author":[{"given":"Imre","family":"Horv\u00e1th","sequence":"first","affiliation":[{"name":"Fellow ASME Industrial Design Engineering, Delft University of Technology, Landbergstraat 15, Delft 2628CE, The Netherlands e-mail:"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yongzhe","family":"Li","sequence":"additional","affiliation":[{"name":"Industrial Design Engineering, Delft University of Technology, Landbergstraat 15, Delft 2628CE, The Netherlands e-mail:"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zolt\u00e1n","family":"Rus\u00e1k","sequence":"additional","affiliation":[{"name":"Industrial Design Engineering, Delft University of Technology, Landbergstraat 15, Delft 2628CE, The Netherlands e-mail:"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wilhelm Frederik","family":"van der Vegte","sequence":"additional","affiliation":[{"name":"Industrial Design Engineering, Delft University of Technology, Landbergstraat 15, Delft 2628CE, The Netherlands e-mail:"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guangjun","family":"Zhang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, 92 West Dazhi Street, Harbin 150001, China e-mail:"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"33","published-online":{"date-parts":[[2016,11,7]]},"reference":[{"year":"2003","key":"2019100600532419500_bib1","article-title":"Quality of Context Information: What It is and Why We Need It"},{"key":"2019100600532419500_bib2","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1007\/978-1-4471-4020-7","volume-title":"Context Management for Distributed and Dynamic Context-Aware Computing","year":"2012"},{"issue":"11","key":"2019100600532419500_bib3","first-page":"1","article-title":"Problems and Opportunities in Context-Based Personalization","volume":"4","year":"2011","journal-title":"VLDB Endowment"},{"issue":"1","key":"2019100600532419500_bib4","doi-asserted-by":"publisher","first-page":"75","DOI":"10.1109\/JPROC.2011.2165270","article-title":"Challenges and Research Directions in Medical Cyber-Physical Systems","volume":"100","year":"2012","journal-title":"Proc. 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