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GIS
1995
ACM
15 years 1 months ago
Measuring the Complexity of Polygonal Objects
Polygonal objects are characterized by the following well-known parameters: number of vertices, area, perimeter and so on. These parameters describe the data sets that are used in...
Thomas Brinkhoff, Hans-Peter Kriegel, Ralf Schneid...
ICDT
2007
ACM
90views Database» more  ICDT 2007»
15 years 3 months ago
On the Expressiveness of Implicit Provenance in Query and Update Languages
Abstract. Information concerning the origin of data (that is, its provenance) is important in many areas, especially scientific recordkeeping. Currently, provenance information mu...
Peter Buneman, James Cheney, Stijn Vansummeren
ER
2003
Springer
99views Database» more  ER 2003»
15 years 2 months ago
A General Model for Online Analytical Processing of Complex Data
Abstract. It has been well recognized that online analytical processing (OLAP) can provide important insights into huge archives of data. While the conventional OLAP model is capab...
Jian Pei
DBSEC
2011
245views Database» more  DBSEC 2011»
14 years 1 months ago
Multilevel Secure Data Stream Processing
Abstract. With sensors and mobile devices becoming ubiquitous, situation monitoring applications are becoming a reality. Data Stream Management Systems (DSMSs) have been proposed t...
Raman Adaikkalavan, Indrakshi Ray, Xing Xie
GIS
2007
ACM
15 years 10 months ago
Quality-driven geospatial data integration
Accurate and efficient integration of geospatial data is an important problem with applications in areas such as emergency response and urban planning. Some of the key challenges ...
Craig A. Knoblock, José Luis Ambite, Snehal...