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The lack of information about Quality of Context (QoC) can result in degraded performance of context-aware systems in pervasive environments, without knowing the actual problem. Context-aware systems can take advantage of QoC if context producers also provide QoC metrics along with context information. In this paper, we analyze QoC and present our model for processing QoC metrics. We evaluate QoC metrics considering the capabilities of sensors, circumstances of specific measurement, requirements of context consumer, and the situation of the use of context information. We also illustrate how QoC metrics can facilitate in enhancing the effectiveness and efficiency of different tasks performed by a system to provide context information in pervasive environments.<\/jats:p>","DOI":"10.1017\/s0269888914000034","type":"journal-article","created":{"date-parts":[[2014,3,21]],"date-time":"2014-03-21T11:20:53Z","timestamp":1395400853000},"page":"154-170","source":"Crossref","is-referenced-by-count":56,"title":["Quality of Context: models and applications for context-aware systems in pervasive environments"],"prefix":"10.48130","volume":"29","author":[{"given":"Atif","family":"Manzoor","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hong-Linh","family":"Truong","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Schahram","family":"Dustdar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"27968","published-online":{"date-parts":[[2014,3,21]]},"reference":[{"key":"S0269888914000034_ref24","doi-asserted-by":"crossref","unstructured":"Manzoor A. , Truong H. 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