Composite Event Specification in Active Databases: Model & Implementation docx

... l<i<m-1, is obtained from h by i=l eliminating all event occurrences before and including event ( < i > E)[ h] and all event occurrences including and following (<i+ l>E)[h]. ... contains the event occurrences of h at which the events specified by E take place. These intuitive notions are formalized below. An event is a happening of interest. Events, inclu...

Ngày tải lên: 23/03/2014, 13:20

... An investor will invest - 10 - in all or any of these investments based on his risk appetite. The investor can choose to combine the three different kinds of investments to be included in ... closing prices over a time interval. The line chart is drawn by connecting consecutive data points within the time inter- val. Apart from the closing prices that are plotted, not much visual infor...

Ngày tải lên: 29/04/2013, 14:07

... computer control, the imaging probe was placed either against the skin or at a distance from the skin in water for pre-treatment imaging. The inte - grated transducer was mounted in a degassed water ... with HIFU was approved in China in 1999 and is currently being performed in many cen- ters [5, 6]. To date, HIFU has been used to treat m a n y tumours of solid organs including...

Ngày tải lên: 25/10/2012, 11:18

... in neuropathic pain. Methodology/Principal Findings: In this study, we inves- tigated the role of TLR4 in a rat chronic constriction injury (CCI) model and explored the feasibility of treating ... neuropathic pain in CCI rats To examine the impact of TLR4-siRNA treatment on pain response in vivo, modulation of pain percep- tion in the Bennett model of neuropathic pain was...

Ngày tải lên: 25/10/2012, 11:48

... Introduction to Financial Econometrics Hypothesis Testing in the Market Model Eric Zivot Department of Economics University of Washington February 29, 2000 1 Hypothesis Testing in the ... Testing the Restriction α =0. Using the market model regression, R t = α + βR Mt + ε t ,t=1, ,T ε t ∼ iid N(0, σ 2 ε ), ε t is independent of R Mt (1) consider testing the null or maintained ... Mark...

Ngày tải lên: 13/12/2013, 14:53

... Description Invoice Name Address City State Zip Client Make Model VIN Year BeginMileage EndMileage MaintenanceCost1 MaintenanceDesc1 MaintenanceDate1 MaintenanceMiles1 MaintenanceCost2 MaintenanceDesc2 MaintenanceDate2 MaintenanceMiles2 MaintenanceCost3 MaintenanceDesc3 MaintenanceDate3 MaintenanceMiles3 Vehicle Is ... 5.1: Identifying Keys in the Logical Model In this activity, you...

Ngày tải lên: 21/12/2013, 06:16

... data in which none of that is necessary, a world in which all pipeline datasets are contained in the single table that is their destination or their point of origin. In this world, maintaining ... along inflow pipelines, and posted transactions as data destined for some kind of logfile, and as moving towards that destination along outflow pipelines. So if we can bring pending transact...

Ngày tải lên: 24/12/2013, 02:16

... Versioning Asserted Versioning Framework (AVF) xxii PREFACE row the query author is interested in, two of those components being time periods that may or may not intersect in various ways. Continuing ... management losing faith in data warehouse projects. As these large projects fell increasingly behind schedule and rose increasingly over budget— something large projects tend to do—the p...

Ngày tải lên: 24/12/2013, 02:16

... the point in time we are interested in. But the defining feature of reconstructable methods is not the movement of data from off-line to on-line storage. The defining fea- ture is the inability ... waiting for the data, and the decisions delayed until the data becomes available. In an increasingly fast-paced business world, the opportunity cost of delays in accessing data is increasin...

Ngày tải lên: 24/12/2013, 02:16

... lacking a standard for the PERIOD datatype, we will continue the practice of defining periods of time in terms of their begin and end points in time. Chapter 3 THE ORIGINS OF ASSERTED VERSIONING: ... temporal data which relieves data modelers of the burden of designing and maintaining data models that must explicitly define temporal data structures and integrity constraints on them. It al...

Ngày tải lên: 24/12/2013, 02:16