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The aim of this study is the meeting of deadlines of real\u2010time transactions and shortening the response time of on\u2010line transactions at the same time. The proposed methods are Simple Mix, Biased Mix, and Balanced Mix, each of which differs in its strategy for assigning priorities to on\u2010line transactions. Simulation results show that Balanced Mix, which determines priorities dynamically according to the slack of real\u2010time transactions, can shorten the response time of on\u2010line transactions while keeping the deadline\u2010missing ratio of real\u2010time transactions low.<\/jats:p>","DOI":"10.1002\/scj.4690250501","type":"journal-article","created":{"date-parts":[[2007,7,8]],"date-time":"2007-07-08T02:50:52Z","timestamp":1183863052000},"page":"1-9","source":"Crossref","is-referenced-by-count":0,"title":["Priority management for concurrent execution of real\u2010time and on\u2010line transactions"],"prefix":"10.1002","volume":"25","author":[{"given":"Ryoji","family":"Kataoka","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tetsuji","family":"Satoh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ushio","family":"Inoue","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2007,3,21]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1145\/44203.44209"},{"key":"e_1_2_1_3_2","doi-asserted-by":"crossref","unstructured":"R.AbbottandH.Garcia\u2010Molina. Scheduling Real\u2010Time Transactions: a Performance Evaluation. Proc. 14th Conf. VLDB pp.1\u201312(1988).","DOI":"10.1145\/44203.44209"},{"key":"e_1_2_1_4_2","unstructured":"R.AbbottandH.Garcia\u2010Molina.Scheduling Real\u2010Time Transaction with Disk Resident Data. Proc. 15th Conf. VLDB pp.385\u2013396(1989)."},{"key":"e_1_2_1_5_2","unstructured":"M. J.Carey R.JauhariandM.Livny. Priority in DBMS Resource Scheduling. Proc. 15th Conf. VLDB pp.397\u2013410(1989)."},{"key":"e_1_2_1_6_2","doi-asserted-by":"publisher","DOI":"10.1145\/3148.3160"},{"key":"e_1_2_1_7_2","doi-asserted-by":"crossref","unstructured":"P. A.Franaszek J. T.RobinsonandA.Thomasian.Wait Depth Limited Concurrency Control. Proc. 7th Data Engineering Conf. pp.92\u2013101(1991).","DOI":"10.1109\/ICDE.1991.131456"},{"key":"e_1_2_1_8_2","doi-asserted-by":"crossref","unstructured":"J. R.Haritsa M.LivnyandM. J.Carey.Earliest Scheduling for Real\u2010Time Database Systems. 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