... computa- tional origins and information systems engineering aspects have received scant attention. The development within the GRID community of the W3C-inspired OGSA indicates a willingness to move in a direction ... process-process interconnection (as in workflow for a business process) are primitive compared with work on information systems engineering involving, for example, databases...
Ngày tải lên: 14/12/2013, 15:15
... spatial index over object locations. Indexing Queries. The second centralized approach to processing spatial continuous queries on moving objects is by indexing queries. In this approach a spatial index, ... watermark. Energy-Conserving Air Indexes for Nearest Neighbor Search 51 Fig. 1. Data and Index Organization Using the Interleaving Technique for broadcasting along with the data objects...
Ngày tải lên: 14/12/2013, 15:15
Tài liệu Advances in Database Technology- P7 ppt
... let us introduce the collinear relation between a point and two regions. Definition 9. A point P is collinear to two regions B and C, collinear(P, B, C), if there exists a line l intersecting ... Surveying Engineering, University of Maine, Orono, ME. Freksa, C., Using Orientation Information for Qualitative Spatial Reasoning, in Theories and Models of Spatio-Temporal Reasoning in Geogra...
Ngày tải lên: 14/12/2013, 15:16
Tài liệu Advances in Database Technology- P16 pptx
... changes and maintain good levels of resource provisioning for applications. Finally, critical areas that involve contin- uously changing and voluminous spatio-temporal data include intelligent ... present in the original After all, we have obtained that series by discarding data points in the original, and we never invented new data points, let alone time stamps. Assume that has data poin...
Ngày tải lên: 24/12/2013, 02:18
Tài liệu Advances in Database Technology- P18 pptx
... instance obtained by changing the given instance using a minimal set of insertions/deletions. Intuitively, consistent query answers are independent of the way the inconsistencies in the data would ... satisfying just our require- ments while remaining small and easy to maintain. In the following we discuss the drawbacks of the existing code bases and why they were no option for us. E. Ber...
Ngày tải lên: 21/01/2014, 08:20
Tài liệu Advances in Database Technology- P19 ppt
... synopses by intercepting data updates information in the data sources. The Workload Manager captures, maintains and analyzes workload informa- tion for building, maintaining and testing synopses. Fig. ... instance obtained by changing the given instance using a minimal set of insertions/deletions. Intuitively, consistent query answers are independent of the way the inconsistencies in the...
Ngày tải lên: 21/01/2014, 08:20
Tài liệu Advances in the Bonded Composite ppt
... structural integrity is mandatory. The concept of using bonded composite materials as a means to maintain aging metallic aircraft was instituted in Australia approximately thirty years ago. Since ... technology. The application for the solution of the problem of cracking in the fuel drain holes in wing of the C-141 is credited with maintaining the viability of this fleet. The c...
Ngày tải lên: 13/02/2014, 09:20
Tài liệu A New Angle on Sovereign Credit Risk - E-RISC: Environmental Risk Integration in Sovereign Credit Analysis ppt
... situation Ecological Footprint and biocapacity Non-renewable natural resources Using Input-Output analysis to analyse resource use in the economy Better integration of ores and minerals in the analysis Country’s ... cannot renew within its own boundaries, and how are these costs changing over time? Using Input-Output analysis to analyse resource intensiveness in different indust...
Ngày tải lên: 16/02/2014, 03:20
Tài liệu Large Event Traces in Parallel Performance Analysis ppt
... frames representing separate intervals. Work presented in [CGL00] further improves visual performance by arranging drawable objects into a binary tree of bounding boxes, which also eliminates the ... by helping identify macro-patterns that put primitive pattern instance into a larger context covering the en- tire topology. Holistic analysis. In order to assess single-node performance in...
Ngày tải lên: 19/02/2014, 18:20
Advances in Air Navigation Services pptx
... contained in the book. Publishing Process Manager Mirna Cvijic Typesetting InTech Prepress, Novi Sad Cover InTech Design Team First published July, 2012 Printed in Croatia A free online ... traffic increased by roughly 7% per year until 2008. Following the global economic crisis, there has been a decline in traffic by 0.7% in 2009 and 0.4% in 2008 and afterwards again...
Ngày tải lên: 07/03/2014, 21:20